| PF00007 | Cys_knot | Cystine-knot domain | A7DT38 |
| PF00027 | cNMP_binding | Cyclic nucleotide-binding domain | Q63472 |
| PF00028 | Cadherin | Cadherin domain | Q6V0I7 |
| PF00029 | Connexin | Connexin | P17302 |
| PF00030 | Crystall | Beta/Gamma crystallin | O35486 |
| PF00031 | Cystatin | Cystatin domain | Q9UGM5 |
| PF00032 | Cytochrom_B_C | Cytochrome b(C-terminal)/b6/petD | P42792 |
| PF00033 | Cytochrome_B | Cytochrome b/b6/petB | P42792 |
| PF00034 | Cytochrom_C | Cytochrome c | Q71JE9 |
| PF00115 | COX1 | Cytochrome C and Quinol oxidase polypeptide I | Q5SJ79 |
| PF00116 | COX2 | Cytochrome C oxidase subunit II, periplasmic domain | Q5SJ80 |
| PF00118 | Cpn60_TCP1 | TCP-1/cpn60 chaperonin family | P48643 |
| PF00127 | Copper-bind | Copper binding proteins, plastocyanin/azurin family | P00287 |
| PF00130 | C1_1 | Phorbol esters/diacylglycerol binding domain (C1 domain) | P15056 |
| PF00134 | Cyclin_N | Cyclin, N-terminal domain | P24864 |
| PF00135 | COesterase | Carboxylesterase family | Q8NFZ4 |
| PF00150 | Cellulase | Cellulase (glycosyl hydrolase family 5) | Q4WXA7 |
| PF00166 | Cpn10 | Chaperonin 10 Kd subunit | P0A6F9 |
| PF00168 | C2 | C2 domain | P10686 |
| PF00173 | Cyt-b5 | Cytochrome b5-like Heme/Steroid binding domain | A0A2K3DCN8 |
| PF00187 | Chitin_bind_1 | Chitin recognition protein | P02876 |
| PF00188 | CAP | Cysteine-rich secretory protein family | Q8JI39 |
| PF00190 | Cupin_1 | Cupin | Q9M3X6 |
| PF00194 | Carb_anhydrase | Eukaryotic-type carbonic anhydrase | P00918 |
| PF00195 | Chal_sti_synt_N | Chalcone and stilbene synthases, N-terminal domain | B1Q2B6 |
| PF00199 | Catalase | Catalase | P00432 |
| PF00214 | Calc_CGRP_IAPP | Calcitonin / CGRP / IAPP family | P10997 |
| PF00241 | Cofilin_ADF | Cofilin/tropomyosin-type actin-binding protein | P37167 |
| PF00262 | Calreticulin | Calreticulin family | P27797 |
| PF00272 | Cecropin | Cecropin family | P14661 |
| PF00283 | Cytochrom_B559 | Cytochrome b559, alpha (gene psbE) and beta (gene psbF)subunits | B4WKJ2 |
| PF00284 | Cytochrom_B559a | Lumenal portion of Cytochrome b559, alpha (gene psbE) subunit | B4WII1 |
| PF00285 | Citrate_synt | Citrate synthase, C-terminal domain | A0A7C2VVZ8 |
| PF00302 | CAT | Chloramphenicol acetyltransferase | P00484 |
| PF00307 | CH | Calponin homology (CH) domain | P13797 |
| PF00313 | CSD | 'Cold-shock' DNA-binding domain | Q9VSK3 |
| PF00325 | Crp | Bacterial regulatory proteins, crp family | P22260 |
| PF00329 | Complex1_30kDa | Respiratory-chain NADH dehydrogenase, 30 Kd subunit | A0QU34 |
| PF00346 | Complex1_49kDa | Respiratory-chain NADH dehydrogenase, 49 Kd subunit | A0QU33 |
| PF00363 | Casein | Casein | P02666 |
| PF00379 | Chitin_bind_4 | Insect cuticle protein | |
| PF00385 | Chromo | Chromo (CHRromatin Organisation MOdifier) domain | Q946J8 |
| PF00386 | C1q | C1q domain | P02747 |
| PF00394 | Cu-oxidase | Multicopper oxidase | H0SLX7 |
| PF00402 | Calponin | Calponin family repeat | |
| PF00425 | Chorismate_bind | chorismate binding enzyme | A0A5F2KFW0 |
| PF00431 | CUB | CUB domain | P98073 |
| PF00473 | CRF | Corticotropin-releasing factor family | P55089 |
| PF00504 | Chloroa_b-bind | Chlorophyll A-B binding protein | Q05093 |
| PF00510 | COX3 | Cytochrome c oxidase subunit III | P00415 |
| PF00525 | Crystallin | Alpha crystallin A chain, N terminal | P02489 |
| PF00529 | CusB_dom_1 | Cation efflux system protein CusB domain 1 | P52477 |
| PF00553 | CBM_2 | Cellulose binding domain | P07986 |
| PF00571 | CBS | CBS domain | P9WP51 |
| PF00574 | CLP_protease | Clp protease | P0A6G7 |
| PF00619 | CARD | Caspase recruitment domain | O95999 |
| PF00637 | Clathrin | Region in Clathrin and VPS | P38959 |
| PF00649 | Copper-fist | Copper fist DNA binding domain | P41772 |
| PF00650 | CRAL_TRIO | CRAL/TRIO domain | P24280 |
| PF00666 | Cathelicidins | Cathelicidin | P49913 |
| PF00668 | Condensation | Condensation domain | Q9I1H0 |
| PF00686 | CBM_20 | Starch binding domain | P30920 |
| PF00689 | Cation_ATPase_C | Cation transporting ATPase, C-terminus | P13637 |
| PF00690 | Cation_ATPase_N | Cation transporter/ATPase, N-terminus | P13637 |
| PF00734 | CBM_1 | Fungal cellulose binding domain | A0A0A7EQR3 |
| PF00748 | Calpain_inhib | Calpain inhibitor | P27321 |
| PF00755 | Carn_acyltransf | Choline/Carnitine o-acyltransferase | P28329 |
| PF00760 | Cucumo_coat | Cucumovirus coat protein | P69466 |
| PF00780 | CNH | CNH domain | G0RY05 |
| PF00795 | CN_hydrolase | Carbon-nitrogen hydrolase | Q8GGL4 |
| PF00808 | CBFD_NFYB_HMF | Histone-like transcription factor (CBF/NF-Y) and archaeal histone | Q9FGJ3 |
| PF00839 | Cys_rich_FGFR | Cysteine rich repeat | |
| PF00859 | CTF_NFI | CTF/NF-I family transcription modulation region | |
| PF00878 | CIMR | Cation-independent mannose-6-phosphate receptor repeat | P11717 |
| PF00888 | Cullin | Cullin family | Q12440 |
| PF00942 | CBM_3 | Cellulose binding domain | G8LYV1 |
| PF00963 | Cohesin | Cohesin domain | Q977Y4 |
| PF00988 | CPSase_sm_chain | Carbamoyl-phosphate synthase small chain, CPSase domain | P31327 |
| PF00997 | Casein_kappa | Kappa casein | |
| PF01024 | Colicin | Colicin pore forming domain | Q9I4Y4 |
| PF01039 | Carboxyl_trans | Carboxyl transferase domain | Q6ZZV4 |
| PF01049 | CADH_Y-type_LIR | Cadherin, Y-type LIR-motif | P09803 |
| PF01053 | Cys_Met_Meta_PP | Cys/Met metabolism PLP-dependent enzyme | A0A0H3GVN6 |
| PF01066 | CDP-OH_P_transf | CDP-alcohol phosphatidyltransferase | Q58609 |
| PF01067 | Calpain_III | Calpain large subunit, domain III | Q07009 |
| PF01082 | Cu2_monooxygen | Copper type II ascorbate-dependent monooxygenase, N-terminal domain | P14925 |
| PF01083 | Cutinase | Cutinase | A0A060N399 |
| PF01086 | Clathrin_lg_ch | Clathrin light chain | A0A287BFZ5 |
| PF01093 | Clusterin | Clusterin | |
| PF01110 | CNTF | Ciliary neurotrophic factor | P26441 |
| PF01111 | CKS | Cyclin-dependent kinase regulatory subunit | P61024 |
| PF01114 | Colipase | Colipase, N-terminal domain | P02703 |
| PF01121 | CoaE | Dephospho-CoA kinase | Q4UN30 |
| PF01122 | Cobalamin_bind | Eukaryotic cobalamin-binding protein | P20062 |
| PF01130 | CD36 | CD36 family | Q14108 |
| PF01144 | CoA_trans | Coenzyme A transferase | Q386P1 |
| PF01146 | Caveolin | Caveolin | Q03135 |
| PF01147 | Crust_neurohorm | Crustacean CHH/MIH/GIH neurohormone family | A5A599 |
| PF01148 | CTP_transf_1 | Cytidylyltransferase family | Q9X1B7 |
| PF01179 | Cu_amine_oxid | Copper amine oxidase, enzyme domain | P46881 |
| PF01213 | CAP_N-CM | CAP N-terminal conserved motif | P40124 |
| PF01214 | CK_II_beta | Casein kinase II regulatory subunit | P67870 |
| PF01215 | COX5B | Cytochrome c oxidase subunit Vb | P00428 |
| PF01216 | Calsequestrin | Calsequestrin | O14958 |
| PF01217 | Clat_adaptor_s | Clathrin adaptor complex small chain | Q96PC3 |
| PF01218 | Coprogen_oxidas | Coproporphyrinogen III oxidase | A0A0D5YE19 |
| PF01256 | Carb_kinase | NAD(P)H-hydrate dehydratase | J9VIT7 |
| PF01264 | Chorismate_synt | Chorismate synthase | C4XZV9 |
| PF01265 | Cyto_heme_lyase | Cytochrome c/c1 heme lyase | |
| PF01302 | CAP_GLY | CAP-Gly domain | Q9NQC7 |
| PF01308 | Chlam_OMP | Chlamydia major outer membrane protein | |
| PF01320 | Colicin_Pyocin | Colicin immunity protein / pyocin immunity protein | Q03708 |
| PF01321 | Creatinase_N | Creatinase/Prolidase N-terminal domain | A8WBX8 |
| PF01322 | Cytochrom_C_2 | Cytochrome C' | D4ZGZ2 |
| PF01339 | CheB_methylest | CheB methylesterase | Q5V0B3 |
| PF01383 | CpcD | CpcD/allophycocyanin linker domain | A0A5J4YVZ2 |
| PF01391 | Collagen | Collagen triple helix repeat (20 copies) | P02461 |
| PF01393 | Chromo_shadow | Chromo shadow domain | Q13185 |
| PF01394 | Clathrin_propel | Clathrin propeller repeat | I3LGD4 |
| PF01410 | COLFI | Fibrillar collagen C-terminal domain | P02452 |
| PF01413 | C4 | C-terminal tandem repeated domain in type 4 procollagen | P29400 |
| PF01467 | CTP_transf_like | Cytidylyltransferase-like | A4W515 |
| PF01473 | Choline_bind_1 | Putative cell wall binding repeat | Q9EXR0 |
| PF01484 | Col_cuticle_N | Nematode cuticle collagen N-terminal domain | |
| PF01512 | Complex1_51K | Nuo51 FMN-binding domain | A0QU31 |
| PF01544 | CorA | CorA-like Mg2+ transporter protein | G3XD00 |
| PF01545 | Cation_efflux | Cation efflux family | Q8E919 |
| PF01578 | Cytochrom_C_asm | Cytochrome C assembly protein | P0ABM1 |
| PF01584 | CheW | CheW-like domain | P0A964 |
| PF01595 | CNNM | Cyclin M transmembrane N-terminal domain | A0A1G8XA46 |
| PF01607 | CBM_14 | Chitin binding Peritrophin-A domain | A0A0G2UHG5 |
| PF01623 | Carla_C4 | Carlavirus putative nucleic acid binding protein | |
| PF01633 | Choline_kinase | Choline/ethanolamine kinase | P35790 |
| PF01644 | Chitin_synth_1 | Chitin synthase | G4Z2L3 |
| PF01654 | Cyt_bd_oxida_I | Cytochrome bd terminal oxidase subunit I | Q9KWL8 |
| PF01656 | CbiA | CobQ/CobB/MinD/ParA nucleotide binding domain | Q9HYZ6 |
| PF01681 | C6 | C6 domain | |
| PF01693 | Cauli_VI | Ribonuclease H1 N-terminal domain | O60930 |
| PF01705 | CX | CX module | |
| PF01723 | Chorion_1 | Chorion protein | |
| PF01739 | CheR | CheR methyltransferase, SAM binding domain | O87131 |
| PF01817 | CM_2 | Chorismate mutase type II | P9WIC1 |
| PF01845 | CcdB | CcdB protein | P62554 |
| PF01864 | CarS-like | CDP-archaeol synthase | Q9YF05 |
| PF01867 | Cas_Cas1 | CRISPR associated protein Cas1 | Q9KFX9 |
| PF01874 | CitG | ATP:dephospho-CoA triphosphoribosyl transferase | O28441 |
| PF01881 | Cas_Cas6_C | CRISPR associated protein Cas6, C-terminal | Q57820 |
| PF01888 | CbiD | CbiD | O29535 |
| PF01890 | CbiG_C | Cobalamin synthesis G C-terminus | Q97WD0 |
| PF01891 | CbiM | Cobalt uptake substrate-specific transmembrane region | A0A0Q0R232 |
| PF01903 | CbiX | CbiX | Q58380 |
| PF01923 | Cob_adeno_trans | Cobalamin adenosyltransferase | Q96EY8 |
| PF01928 | CYTH | CYTH domain | Q9C9B9 |
| PF01930 | Cas_Cas4 | Domain of unknown function DUF83 | A0A4Y7WTW2 |
| PF01933 | CofD | 2-phospho-L-lactate transferase CofD | A0QTG2 |
| PF01955 | CbiZ | Adenosylcobinamide amidohydrolase | |
| PF01982 | CTP-dep_RFKase | Domain of unknown function DUF120 | Q9HJA6 |
| PF01983 | CofC | Guanylyl transferase CofC like | E5ASS2 |
| PF01985 | CRS1_YhbY | CRS1 / YhbY (CRM) domain | A0A0H3JRP0 |
| PF02013 | CBM_10 | Cellulose or protein binding domain | Q9P868 |
| PF02017 | CIDE-N | CIDE-N domain | Q0E9B7 |
| PF02018 | CBM_4_9 | Carbohydrate binding domain | W8GI72 |
| PF02029 | Caldesmon | Caldesmon | |
| PF02045 | CBFB_NFYA | CCAAT-binding transcription factor (CBF-B/NF-YA) subunit B | G5EAZ0 |
| PF02046 | COX6A | Cytochrome c oxidase subunit VIa | P07471 |
| PF02085 | Cytochrom_CIII | Class III cytochrome C family | Q74CB4 |
| PF02167 | Cytochrom_C1 | Cytochrome C1 family | A0A1S3W199 |
| PF02224 | Cytidylate_kin | Cytidylate kinase | Q8SS83 |
| PF02234 | CDI | Cyclin-dependent kinase inhibitor | P46527 |
| PF02238 | COX7a | Cytochrome c oxidase subunit VII | P07470 |
| PF02239 | Cytochrom_D1 | Cytochrome D1 heme domain | Q51480 |
| PF02262 | Cbl_N | CBL proto-oncogene N-terminal domain 1 | P22681 |
| PF02275 | CBAH | Linear amide C-N hydrolases, choloylglycine hydrolase family | J7H3P9 |
| PF02276 | CytoC_RC | Photosynthetic reaction centre cytochrome C subunit | A0A2S6NEK5 |
| PF02283 | CobU | Cobinamide kinase / cobinamide phosphate guanyltransferase | A0A0H3GSH0 |
| PF02284 | COX5A | Cytochrome c oxidase subunit Va | P00426 |
| PF02285 | COX8 | Cytochrome oxidase c subunit VIII | P10175 |
| PF02297 | COX6B | Cytochrome oxidase c subunit VIb | P00429 |
| PF02298 | Cu_bind_like | Plastocyanin-like domain | P00303 |
| PF02312 | CBF_beta | Core binding factor beta subunit | Q13951 |
| PF02322 | Cyt_bd_oxida_II | Cytochrome bd terminal oxidase subunit II | A0A1Q3DPF5 |
| PF02335 | Cytochrom_C552 | Cytochrome c552 | B3E641 |
| PF02348 | CTP_transf_3 | Cytidylyltransferase | A0A0H3GMB7 |
| PF02353 | CMAS | Mycolic acid cyclopropane synthetase | O67624 |
| PF02359 | CDC48_N | Cell division protein 48 (CDC48), N-terminal domain | P25694 |
| PF02361 | CbiQ | Cobalt transport protein | Q1GBI8 |
| PF02363 | C_tripleX | Cysteine rich repeat | |
| PF02376 | CUT | CUT domain | Q01826 |
| PF02389 | Cornifin | Cornifin (SPRR) family | |
| PF02408 | CUB_2 | CUB-like domain | |
| PF02413 | Caudo_TAP | Caudovirales tail fibre assembly protein, lambda gpK | Q9T1U9 |
| PF02415 | Chlam_PMP | Chlamydia polymorphic membrane protein (Chlamydia_PMP) repeat | |
| PF02417 | Chromate_transp | Chromate transporter | |
| PF02431 | Chalcone | Chalcone-flavanone isomerase | B7FJK3 |
| PF02443 | Circo_capsid | Circovirus capsid protein | R4L4W6 |
| PF02464 | CinA | Competence-damaged protein | Q8DRX2 |
| PF02487 | CLN3 | CLN3 protein | |
| PF02492 | cobW | CobW/HypB/UreG, nucleotide-binding domain | R4YE37 |
| PF02514 | CobN-Mg_chel | CobN/Magnesium Chelatase | O53498 |
| PF02515 | CoA_transf_3 | CoA-transferase family III | A9WC36 |
| PF02537 | CRCB | CrcB-like protein, Camphor Resistance (CrcB) | Q6J5N4 |
| PF02543 | Carbam_trans_N | Carbamoyltransferase N-terminus | Q84G19 |
| PF02552 | CO_dh | CO dehydrogenase beta subunit/acetyl-CoA synthase epsilon subunit | Q46G05 |
| PF02553 | CbiN | Cobalt transport protein component CbiN | |
| PF02554 | CstA | Carbon starvation protein CstA | |
| PF02559 | CarD_TRCF_RID | CarD-like/TRCF RID domain | P30958 |
| PF02560 | Cyanate_lyase | Cyanate lyase C-terminal domain | A0A3E2EMR4 |
| PF02570 | CbiC | Precorrin-8X methylmutase | D5AV08 |
| PF02571 | CbiJ | Precorrin-6x reductase CbiJ/CobK | O68098 |
| PF02572 | CobA_CobO_BtuR | ATP:corrinoid adenosyltransferase BtuR/CobO/CobP | P31570 |
| PF02578 | Cu-oxidase_4 | Multi-copper polyphenol oxidoreductase laccase | P33644 |
| PF02599 | CsrA | Global regulator protein family | P69913 |
| PF02611 | CDH | CDP-diacylglycerol pyrophosphatase | Q8X7A5 |
| PF02617 | ClpS | ATP-dependent Clp protease adaptor protein ClpS | A0A1X3JJM5 |
| PF02626 | CT_A_B | Carboxyltransferase domain, subdomain A and B | Q6CP22 |
| PF02627 | CMD | Carboxymuconolactone decarboxylase family | A0A2U2XNT2 |
| PF02628 | COX15-CtaA | Cytochrome oxidase assembly protein | P12946 |
| PF02629 | CoA_binding | CoA binding domain | Q9WY16 |
| PF02633 | Creatininase | Creatinine amidohydrolase | B2J3U5 |
| PF02654 | CobS | Cobalamin-5-phosphate synthase | |
| PF02672 | CP12 | CP12 domain | Q9LZP9 |
| PF02674 | Colicin_V | Colicin V production protein | |
| PF02679 | ComA | (2R)-phospho-3-sulfolactate synthase (ComA) | O06739 |
| PF02682 | CT_C_D | Carboxyltransferase domain, subdomain C and D | Q6CP22 |
| PF02724 | CDC45 | CDC45 | Q08032 |
| PF02727 | Cu_amine_oxidN2 | Copper amine oxidase, N2 domain | P46883 |
| PF02728 | Cu_amine_oxidN3 | Copper amine oxidase, N3 domain | P46883 |
| PF02740 | Colipase_C | Colipase, C-terminal domain | P02703 |
| PF02754 | CCG | Cysteine-rich domain | Q2FKZ2 |
| PF02761 | Cbl_N2 | CBL proto-oncogene N-terminus, EF hand-like domain | P22681 |
| PF02762 | Cbl_N3 | CBL proto-oncogene N-terminus, SH2-like domain | P22681 |
| PF02786 | CPSase_L_D2 | Carbamoyl-phosphate synthase L chain, ATP binding domain | A0A640KPA4 |
| PF02787 | CPSase_L_D3 | Carbamoyl-phosphate synthetase large chain, oligomerisation domain | P31327 |
| PF02790 | COX2_TM | Cytochrome C oxidase subunit II, transmembrane domain | P68530 |
| PF02797 | Chal_sti_synt_C | Chalcone and stilbene synthases, C-terminal domain | B1Q2B6 |
| PF02839 | CBM_5_12 | Carbohydrate-binding module family 5/12 | Q7NSV3 |
| PF02845 | CUE | CUE domain | Q9UKV5 |
| PF02861 | Clp_N | Clp amino terminal domain, pathogenicity island component | P9WPC9 |
| PF02888 | CaMBD | Calmodulin binding domain | P70604 |
| PF02922 | CBM_48 | Carbohydrate-binding module 48 (Isoamylase N-terminal domain) | A0A5S8WFA0 |
| PF02927 | CelD_N | Cellulase N-terminal ig-like domain | Q9KUA8 |
| PF02933 | CDC48_2 | Cell division protein 48 (CDC48), domain 2 | P25694 |
| PF02935 | COX7C | Cytochrome c oxidase subunit VIIc | P00430 |
| PF02936 | COX4 | Cytochrome c oxidase subunit IV | P00423 |
| PF02937 | COX6C | Cytochrome c oxidase subunit VIc | P04038 |
| PF02950 | Conotoxin | Conotoxin | P05484 |
| PF02962 | CHMI | 5-carboxymethyl-2-hydroxymuconate isomerase | Q9I2D8 |
| PF02977 | CarbpepA_inh | Carboxypeptidase A inhibitor | P01075 |
| PF02984 | Cyclin_C | Cyclin, C-terminal domain | P24864 |
| PF03040 | CemA | CemA family | |
| PF03047 | ComC | COMC family | |
| PF03091 | CutA1 | CutA1 divalent ion tolerance protein | Q8YL42 |
| PF03100 | CcmE | CcmE domain | Q72D78 |
| PF03107 | C1_2 | C1 domain | O80763 |
| PF03123 | CAT_RBD | CAT RNA binding domain | P39805 |
| PF03128 | CXCXC | CXCXC repeat | |
| PF03135 | CagE_TrbE_VirB | CagE, TrbE, VirB family, component of type IV transporter system | O50330 |
| PF03142 | Chitin_synth_2 | Chitin synthase | |
| PF03150 | CCP_MauG | Di-haem cytochrome c peroxidase | Q2T6B0 |
| PF03160 | Calx-beta | Calx-beta domain | P23685 |
| PF03173 | CHB_HEX | Putative carbohydrate binding domain | Q54468 |
| PF03174 | CHB_HEX_C | Chitobiase/beta-hexosaminidase C-terminal domain | Q54468 |
| PF03178 | CPSF_A | CPSF A subunit region | Q15393 |
| PF03185 | CaKB | Calcium-activated potassium channel, beta subunit | Q86W47 |
| PF03186 | CobD_Cbib | CobD/Cbib protein | |
| PF03188 | Cytochrom_B561 | Eukaryotic cytochrome b561 | Q53TN4 |
| PF03232 | COQ7 | Ubiquinone biosynthesis protein COQ7 | Q99807 |
| PF03233 | Cauli_AT | Aphid transmission protein | |
| PF03234 | CDC37_N | Cdc37 N terminal kinase binding | Q16543 |
| PF03261 | CDK5_activator | Cyclin-dependent kinase 5 activator protein | Q15078 |
| PF03264 | Cytochrom_NNT | NapC/NirT cytochrome c family, N-terminal region | Q72EF4 |
| PF03310 | Cauli_DNA-bind | Caulimovirus DNA-binding protein | P03551 |
| PF03311 | Cornichon | Cornichon protein | Q5BJU5 |
| PF03370 | CBM_21 | Carbohydrate/starch-binding module (family 21) | Q9UQK1 |
| PF03378 | CAS_CSE1 | CAS/CSE protein, C-terminus | P33307 |
| PF03379 | CcmB | CcmB protein | P0ABL8 |
| PF03381 | CDC50 | LEM3 (ligand-effect modulator 3) family / CDC50 family | P42838 |
| PF03422 | CBM_6 | Carbohydrate binding module (family 6) | A0A140HJ20 |
| PF03423 | CBM_25 | Carbohydrate binding domain (family 25) | P21543 |
| PF03424 | CBM_17_28 | Carbohydrate binding domain (family 17/28) | I3VS73 |
| PF03425 | CBM_11 | Carbohydrate binding domain (family 11) | P16218 |
| PF03426 | CBM_15 | Carbohydrate binding domain (family 15) | Q59675 |
| PF03427 | CBM_19 | Carbohydrate binding domain (family 19) | |
| PF03442 | CBM_X2 | Carbohydrate binding domain X2 | D4P8C6 |
| PF03450 | CO_deh_flav_C | CO dehydrogenase flavoprotein C-terminal domain | P80457 |
| PF03471 | CorC_HlyC | Transporter associated domain | P0AE78 |
| PF03498 | CDtoxinA | Cytolethal distending toxin A/C domain | Q7DK11 |
| PF03500 | Cellsynth_D | Cellulose synthase subunit D | Q76KJ6 |
| PF03502 | Channel_Tsx | Nucleoside-specific channel-forming protein, Tsx | P0A927 |
| PF03503 | Chlam_OMP3 | Chlamydia cysteine-rich outer membrane protein 3 | |
| PF03504 | Chlam_OMP6 | Chlamydia cysteine-rich outer membrane protein 6 | |
| PF03505 | Clenterotox | Clostridium enterotoxin | P01558 |
| PF03507 | CagA | CagA exotoxin phosphopeptide substrate mimic region | P55980 |
| PF03508 | Connexin43 | Gap junction alpha-1 protein (Cx43) | P17302 |
| PF03509 | Connexin50 | Gap junction alpha-8 protein (Cx50) | P55917 |
| PF03513 | Cloacin_immun | Cloacin immunity protein | P02984 |
| PF03515 | Cloacin | Colicin-like bacteriocin tRNase domain | P09883 |
| PF03524 | CagX | Conjugal transfer protein | O50336 |
| PF03552 | Cellulose_synt | Cellulose synthase | Q6J8X0 |
| PF03556 | Cullin_binding | Cullin binding | Q96GG9 |
| PF03596 | Cad | Cadmium resistance transporter | |
| PF03598 | CdhC | CO dehydrogenase/acetyl-CoA synthase complex beta subunit | Q3ACS4 |
| PF03599 | CdhD | CO dehydrogenase/acetyl-CoA synthase delta subunit | Q07341 |
| PF03600 | CitMHS | Citrate transporter | |
| PF03601 | Cons_hypoth698 | Conserved hypothetical protein 698 | |
| PF03602 | Cons_hypoth95 | Conserved hypothetical protein 95 | I6XFS7 |
| PF03626 | COX4_pro | Prokaryotic Cytochrome C oxidase subunit IV | P0ABJ6 |
| PF03692 | CxxCxxCC | Putative zinc- or iron-chelating domain | |
| PF03705 | CheR_N | CheR methyltransferase, all-alpha domain | O87131 |
| PF03712 | Cu2_monoox_C | Copper type II ascorbate-dependent monooxygenase, C-terminal domain | P14925 |
| PF03750 | Csm2_III-A | Csm2 Type III-A | Q5HK90 |
| PF03765 | CRAL_TRIO_N | CRAL/TRIO, N-terminal domain | P24280 |
| PF03772 | Competence | Competence protein | |
| PF03777 | ChpA-C | ChpA-C | |
| PF03783 | CsgG | Curli production assembly/transport component CsgG | P0AEA2 |
| PF03784 | Cyclotide | Cyclotide family | C0HKG2 |
| PF03802 | CitX | Apo-citrate lyase phosphoribosyl-dephospho-CoA transferase | P0A6G5 |
| PF03805 | CLAG | Cytoadherence-linked asexual protein | A0A2I0BTS3 |
| PF03857 | Colicin_im | Colicin immunity protein | |
| PF03859 | CG-1 | CG-1 domain | |
| PF03879 | Cgr1 | Cgr1 family | P53188 |
| PF03914 | CBF | CBF/Mak21 family | O94288 |
| PF03918 | CcmH | Cytochrome C biogenesis protein | Q9I3N0 |
| PF03924 | CHASE | CHASE domain | A0A0H2X6K9 |
| PF03932 | CutC | CutC family | A0A6L8Q3J2 |
| PF03964 | Chorion_2 | Chorion family 2 | |
| PF03975 | CheD | CheD chemotactic sensory transduction | Q9X005 |
| PF04021 | Class_IIIsignal | Class III signal peptide | |
| PF04103 | CD20 | CD20-like family | P11836 |
| PF04122 | CW_binding_2 | Cell wall binding domain 2 (CWB2) | Q183M8 |
| PF04126 | Cyclophil_like | Cyclophilin-like | O28042 |
| PF04136 | COG3_N | Conserved oligomeric Golgi complex subunit 3, N-terminal | |
| PF04145 | Ctr | Ctr copper transporter family | C0HAK2 |
| PF04174 | CP_ATPgrasp_1 | A circularly permuted ATPgrasp | |
| PF04187 | Cofac_haem_bdg | Haem-binding uptake, Tiki superfamily, ChaN | Q0PBW2 |
| PF04199 | Cyclase | Putative cyclase | A0P0F0 |
| PF04218 | CENP-B_N | CENP-B N-terminal DNA-binding domain | Q9VBW6 |
| PF04223 | CitF | Citrate lyase, alpha subunit (CitF) | Q8DUC1 |
| PF04234 | CopC | CopC domain | C3JYL7 |
| PF04240 | Caroten_synth | Carotenoid biosynthesis protein | |
| PF04283 | CheF-arch | Chemotaxis signal transduction system protein F from archaea | O58230 |
| PF04344 | CheZ | Chemotaxis phosphatase, CheZ | P0A9H9 |
| PF04345 | Chor_lyase | Chorismate lyase | P26602 |
| PF04420 | CHD5 | CHD5-like protein | O00258 |
| PF04428 | Choline_kin_N | Choline kinase N terminus | |
| PF04442 | CtaG_Cox11 | Cytochrome c oxidase assembly protein CtaG/Cox11 | Q92RG6 |
| PF04451 | Capsid_NCLDV | Large eukaryotic DNA virus major capsid protein | Q89346 |
| PF04487 | CITED | CITED | |
| PF04505 | CD225 | Interferon-induced transmembrane protein | |
| PF04509 | CheC | CheC-like family | G4FDE4 |
| PF04515 | Choline_transpo | Plasma-membrane choline transporter | Q8WWI5 |
| PF04516 | CP2 | CP2 transcription factor | Q6ISB3 |
| PF04535 | CASP_dom | Casparian strip membrane protein domain | |
| PF04549 | CD47 | CD47 transmembrane region | Q08722 |
| PF04673 | Cyclase_polyket | Polyketide synthesis cyclase | P39890 |
| PF04676 | CwfJ_C_2 | Protein similar to CwfJ C-terminus 2 | Q2TBE0 |
| PF04677 | CwfJ_C_1 | Protein similar to CwfJ C-terminus 1 | Q2TBE0 |
| PF04731 | Caudal_act | Caudal like protein activation region | |
| PF04733 | Coatomer_E | Coatomer epsilon subunit | P40509 |
| PF04734 | Ceramidase_alk | Neutral/alkaline non-lysosomal ceramidase, N-terminal | Q9NR71 |
| PF04752 | ChaC | ChaC-like protein | Q8WUX2 |
| PF04803 | Cor1 | Cor1/Xlr/Xmr conserved region | P70281 |
| PF04818 | CID | CID domain | O95104 |
| PF04833 | COBRA | COBRA-like protein | |
| PF04847 | Calcipressin | Calcipressin | Q9JHG6 |
| PF04857 | CAF1 | CAF1 family ribonuclease | Q9UIV1 |
| PF04889 | Cwf_Cwc_15 | Cwf15/Cwc15 cell cycle control protein | Q9P013 |
| PF04942 | CC | CC domain | |
| PF04968 | CHORD | CHORD | Q9UHD1 |
| PF04969 | CS | CS domain | Q9R0Q7 |
| PF04995 | CcmD | Heme exporter protein D (CcmD) | P0ABM5 |
| PF05018 | CFA20_dom | CFA20 domain | Q9Y6A4 |
| PF05019 | Coq4 | Coenzyme Q (ubiquinone) biosynthesis protein Coq4 | Q8YJY7 |
| PF05038 | Cytochrom_B558a | Cytochrome Cytochrome b558 alpha-subunit | P13498 |
| PF05042 | Caleosin | Caleosin related protein | |
| PF05051 | COX17 | Cytochrome C oxidase copper chaperone (COX17) | Q14061 |
| PF05093 | CIAPIN1 | Cytokine-induced anti-apoptosis inhibitor 1, Fe-S biogenesis | |
| PF05107 | Cas_Cas7 | CRISPR-associated protein Cas7 | Q72WF7 |
| PF05159 | Capsule_synth | Capsule polysaccharide biosynthesis protein | A0A0H2Z2W8 |
| PF05179 | CDC73_C | RNA pol II accessory factor, Cdc73 family, C-terminal | C4R1E6 |
| PF05205 | COMPASS-Shg1 | COMPASS (Complex proteins associated with Set1p) component shg1 | |
| PF05226 | CHASE2 | CHASE2 domain | |
| PF05227 | CHASE3 | CHASE3 domain | Q6N7G5 |
| PF05228 | CHASE4 | CHASE4 domain | |
| PF05235 | CHAD | CHAD domain | A0A2N9BBV4 |
| PF05238 | CENP-N | Kinetochore protein CHL4 like | Q96H22 |
| PF05257 | CHAP | CHAP domain | A0A1S6L1H0 |
| PF05275 | CopB | Copper resistance protein B precursor (CopB) | Q47453 |
| PF05328 | CybS | CybS, succinate dehydrogenase cytochrome B small subunit | Q5ZIS0 |
| PF05337 | CSF-1 | Macrophage colony stimulating factor-1 (CSF-1) | P09603 |
| PF05347 | Complex1_LYR | Complex 1 protein (LYR family) | A0A1S3U1J6 |
| PF05387 | Chorion_3 | Chorion family 3 | |
| PF05388 | Carbpep_Y_N | Carboxypeptidase Y pro-peptide | |
| PF05392 | COX7B | Cytochrome C oxidase chain VIIB | P13183 |
| PF05425 | CopD | Copper resistance protein D | |
| PF05428 | CRF-BP_N | Corticotropin-releasing factor binding protein N-terminal domain | |
| PF05452 | Clavanin | Clavanin | |
| PF05475 | Chlam_vir | Pgp3 C-terminal domain | P0CE18 |
| PF05532 | CsbD | CsbD-like | Q9HV61 |
| PF05535 | Chromadorea_ALT | Chromadorea ALT protein | |
| PF05538 | Campylo_MOMP | Campylobacter major outer membrane protein | Q659I5 |
| PF05556 | Calsarcin | Calcineurin-binding protein (Calsarcin) | Q9NP98 |
| PF05600 | CDK5RAP3 | CDK5 regulatory subunit-associated protein 3 | |
| PF05602 | CLPTM1 | Cleft lip and palate transmembrane protein 1 (CLPTM1) | |
| PF05667 | CCDC22_CC | CCDC22 protein coiled-coil region | |
| PF05679 | CHGN | Chondroitin N-acetylgalactosaminyltransferase | |
| PF05704 | Caps_synth | Capsular polysaccharide synthesis protein | |
| PF05706 | CDKN3 | Cyclin-dependent kinase inhibitor 3 (CDKN3) | Q16667 |
| PF05710 | Coiled | Coiled coil | |
| PF05730 | CFEM | CFEM domain | Q5A0X8 |
| PF05737 | Collagen_bind | Collagen binding domain | B9A875 |
| PF05738 | Cna_B | Cna protein B-type domain | Q53654 |
| PF05745 | CRPA | Chlamydia 15 kDa cysteine-rich outer membrane protein (CRPA) | |
| PF05785 | CNF1 | Rho-activating domain of cytotoxic necrotizing factor | A0A0N9JNY6 |
| PF05786 | Cnd2 | Condensin complex subunit 2 | P38170 |
| PF05790 | C2-set | Immunoglobulin C2-set domain | P01730 |
| PF05792 | Candida_ALS | Candida agglutinin-like (ALS) | |
| PF05836 | Chorion_S16 | Chorion protein S16 | |
| PF05837 | CENP-H | Centromere protein H (CENP-H) | Q9H3R5 |
| PF05848 | CtsR | CtsR N-terminal HTH domain | C3W947 |
| PF05875 | Ceramidase | Ceramidase | Q9NUN7 |
| PF05881 | CNPase | 2',3'-cyclic nucleotide 3'-phosphodiesterase (CNP or CNPase) | P16330 |
| PF05899 | Cupin_3 | EutQ-like cupin domain | Q88AY9 |
| PF05907 | CXXC_Zn-b_euk | CXXC motif containing zinc binding protein, eukaryotic | S7W5K5 |
| PF05932 | CesT | Tir chaperone protein (CesT) family | P31490 |
| PF05952 | ComX | Bacillus competence pheromone ComX | |
| PF05961 | Chordopox_A13L | Chordopoxvirus A13L protein | |
| PF05966 | Chordopox_A33R | Chordopoxvirus A33R protein | Q71TT1 |
| PF05981 | CreA | CreA protein | |
| PF05984 | Cytomega_UL20A | Cytomegalovirus UL20A protein | |
| PF05995 | CDO_I | Cysteine dioxygenase type I | C1DN94 |
| PF06002 | CST-I | Alpha-2,3-sialyltransferase (CST-I) | Q9LAK3 |
| PF06015 | Chordopox_A30L | Chordopoxvirus A30L protein | |
| PF06018 | CodY | CodY GAF-like domain | Q18BE1 |
| PF06022 | Cir_Bir_Yir | Plasmodium variant antigen protein Cir/Yir/Bir | A0A077TLQ4 |
| PF06023 | Csa1 | CRISPR-associated exonuclease Csa1 | |
| PF06054 | CoiA | Competence protein CoiA-like family | |
| PF06084 | Cytomega_TRL10 | Cytomegalovirus TRL10 protein | |
| PF06123 | CreD | Inner membrane protein CreD | |
| PF06129 | Chordopox_G3 | Chordopoxvirus G3 protein | P68458 |
| PF06133 | Com_YlbF | Control of competence regulator ComK, YlbF/YmcA | O31779 |
| PF06148 | COG2_N | COG2 N-terminal | P53271 |
| PF06150 | ChaB | ChaB | P0AE65 |
| PF06153 | CdAMP_rec | Cyclic-di-AMP receptor | A0A0H2WXZ7 |
| PF06154 | CbeA_antitoxin | CbeA_antitoxin, type IV, cytoskeleton bundling-enhancing factor A | P52141 |
| PF06172 | Cupin_5 | Cupin superfamily (DUF985) | E9AES8 |
| PF06180 | CbiK | Cobalt chelatase (CbiK) | Q05592 |
| PF06203 | CCT | CCT motif | Q39057 |
| PF06206 | CpeT | CpeT/CpcT family (DUF1001) | Q9FI46 |
| PF06209 | COBRA1 | Cofactor of BRCA1 (COBRA1) | Q8WX92 |
| PF06213 | CobT | Cobalamin biosynthesis protein CobT | |
| PF06228 | ChuX_HutX | Haem utilisation ChuX/HutX | Q8X5N5 |
| PF06240 | COXG | Carbon monoxide dehydrogenase subunit G (CoxG) | Q5QL47 |
| PF06241 | Castor_Poll_mid | Castor and Pollux, part of voltage-gated ion channel | Q6RHR6 |
| PF06244 | Ccdc124 | Coiled-coil domain-containing protein 124 /Oxs1 | Q96CT7 |
| PF06251 | Caps_syn_GfcC_C | Capsule biosynthesis GfcC C-terminal | B7UN63 |
| PF06278 | CNDH2_N | Condensin II complex subunit CAP-H2 or CNDH2, N-terminal | |
| PF06286 | Coleoptericin | Coleoptericin | |
| PF06294 | CH_2 | CH-like domain in sperm protein | Q6J4H1 |
| PF06306 | CgtA | Beta-1,4-N-acetylgalactosaminyltransferase (CgtA) | |
| PF06338 | ComK | ComK protein | |
| PF06365 | CD34_antigen | CD34/Podocalyxin family | |
| PF06373 | CART | Cocaine and amphetamine regulated transcript protein (CART) | Q16568 |
| PF06387 | Calcyon | D1 dopamine receptor-interacting protein (calcyon) | |
| PF06395 | CDC24 | CDC24 Calponin | |
| PF06418 | CTP_synth_N | CTP synthase N-terminus | Q9VUL1 |
| PF06419 | COG6_N | Conserved oligomeric complex COG6, N-terminal | |
| PF06452 | CBM9_1 | Carbohydrate family 9 binding domain-like | E4S6E9 |
| PF06461 | CHDII_SANT-like | CHD subfamily II, SANT-like domain | Q14839 |
| PF06481 | COX_ARM | COX Aromatic Rich Motif | P0ABJ1 |
| PF06483 | ChiC | Chitinase C | Q7NSV3 |
| PF06564 | CBP_BcsQ | Cellulose biosynthesis protein BcsQ | P0DP92 |
| PF06566 | Chon_Sulph_att | Chondroitin sulphate attachment domain | |
| PF06573 | Churchill | Churchill protein | Q8WUH1 |
| PF06589 | CRA | Circumsporozoite-related antigen (CRA) | |
| PF06597 | Clostridium_P47 | Clostridium P-47 protein | A0A6B4JMW3 |
| PF06608 | CFAP68 | Cilia- and flagella-associated protein 68 | Q9H5F2 |
| PF06628 | Catalase-rel | Catalase-related immune-responsive | P00432 |
| PF06646 | CypI | Extracytoplasmic thiamine-binding lipoprotein | Q49410 |
| PF06653 | Claudin_3 | Tight junction protein, Claudin-like | |
| PF06657 | Cep57_MT_bd | Centrosome microtubule-binding domain of Cep57 | Q86XR8 |
| PF06662 | C5-epim_C | D-glucuronyl C5-epimerase C-terminus | O94923 |
| PF06663 | CNK2_3_dom | Connector enhancer of kinase suppressor of ras 2/3 domain | |
| PF06729 | CENP-R | Kinetochore component, CENP-R | Q13352 |
| PF06747 | CHCH | CHCH domain | A0A1S3VVN6 |
| PF06755 | CbtA_toxin | CbtA_toxin of type IV toxin-antitoxin system | |
| PF06778 | Chlor_dismutase | Chlorite dismutase | Q6NGV6 |
| PF06781 | CrgA | Cell division protein CrgA | P9WP57 |
| PF06799 | CGLD27-like | Conserved in the green lineage and diatoms 27 | |
| PF06807 | Clp1 | Pre-mRNA cleavage complex II protein Clp1 | Q08685 |
| PF06934 | CTI | Fatty acid cis/trans isomerase (CTI) | |
| PF06957 | COPI_C | Coatomer (COPI) alpha subunit C-terminus | P53622 |
| PF07002 | Copine | Copine | Q941L3 |
| PF07012 | Curlin_rpt | Curlin associated repeat | |
| PF07016 | CRAM_rpt | Cysteine-rich acidic integral membrane protein precursor | |
| PF07029 | CryBP1 | CryBP1 protein | |
| PF07046 | CRA_rpt | Cytoplasmic repetitive antigen (CRA) like repeat | |
| PF07062 | Clc-like | Clc-like | |
| PF07143 | CrtC | CrtC N-terminal lipocalin domain | C7ZKN4 |
| PF07159 | CYRIA-B_Rac1-bd | CYRIA/CYRIB Rac1 binding domain | Q7L576 |
| PF07180 | CaiF_GrlA | CaiF/GrlA transcriptional regulator | Q7DB62 |
| PF07190 | CrmD_SECRET | Tumour necrosis factor receptor, SECRET domain | Q7TDW8 |
| PF07224 | Chlorophyllase | Chlorophyllase | W6EIP8 |
| PF07249 | Cerato-platanin | Cerato-platanin | B2C3I4 |
| PF07254 | Cpta_toxin | Membrane-bound toxin component of toxin-antitoxin system | |
| PF07258 | COMM_domain | COMM domain | Q9P000 |
| PF07262 | CdiI | CDI immunity protein | B3BM81 |
| PF07271 | Cytadhesin_P30 | Cytadhesin P30/P32 | |
| PF07282 | Cas12f1-like_TNB | Cas12f1-like, TNB domain | A0A0C2W1L1 |
| PF07337 | CagY_M | DC-EC Repeat | O25262 |
| PF07347 | CI-B14_5a | NADH:ubiquinone oxidoreductase subunit B14.5a (Complex I-B14.5a) | O97418 |
| PF07361 | Cytochrom_B562 | Cytochrome b562 | P0ABE7 |
| PF07362 | CcdA | Post-segregation antitoxin CcdA | P62553 |
| PF07373 | CAMP_factor | CAMP factor (Cfa) | D6ZJ92 |
| PF07417 | Crl | Sigma factor-binding transcriptional regulator Crl | Q7CR52 |
| PF07434 | CblD | CblD like pilus biogenesis initiator | P25734 |
| PF07452 | CHRD | CHRD domain | |
| PF07459 | CTX_RstB | CTX phage RstB protein | |
| PF07484 | Collar | Phage Tail Collar Domain | Q38160 |
| PF07537 | CamS | CamS sex pheromone cAM373 precursor | Q8Y6D1 |
| PF07538 | ChW | Clostridial hydrophobic W | |
| PF07548 | ChlamPMP_M | Chlamydia polymorphic membrane protein middle domain | |
| PF07552 | Coat_X | Spore Coat Protein X and V domain | |
| PF07654 | C1-set | Immunoglobulin C1-set domain | P61769 |
| PF07675 | Cleaved_Adhesin | Cleaved Adhesin Domain | Q51817 |
| PF07683 | CobW_C | Cobalamin synthesis protein cobW C-terminal domain | P24203 |
| PF07705 | CARDB | CARDB | Q8U1U6 |
| PF07718 | Coatamer_beta_C | Coatomer beta C-terminal region | Q9JIF7 |
| PF07731 | Cu-oxidase_2 | Multicopper oxidase | A8FAG9 |
| PF07732 | Cu-oxidase_3 | Multicopper oxidase | H0SLX7 |
| PF07736 | CM_1 | Chorismate mutase type I | A8FEK3 |
| PF07778 | CENP-I | Mis6 | Q92674 |
| PF07779 | Cas1_AcylT | 10 TM Acyl Transferase domain found in Cas1p | |
| PF07798 | CCDC90-like | Coiled-coil domain-containing protein 90-like | Q9GZT6 |
| PF07823 | CPDase | Cyclic phosphodiesterase-like protein | O04147 |
| PF07824 | Chaperone_III | Type III secretion chaperone domain | A0A0F6AZQ4 |
| PF07833 | Cu_amine_oxidN1 | Copper amine oxidase N-terminal domain | P46883 |
| PF07835 | COX4_pro_2 | Bacterial aa3 type cytochrome c oxidase subunit IV | P77921 |
| PF07839 | CaM_binding | Plant calmodulin-binding domain | |
| PF07863 | CtnDOT_TraJ | Homologues of TraJ from Bacteroides conjugative transposon | |
| PF07875 | Coat_F | Coat F domain | |
| PF07883 | Cupin_2 | Cupin domain | P42106 |
| PF07887 | Calmodulin_bind | Calmodulin binding protein-like N-terminal domain | |
| PF07888 | CALCOCO1 | Calcium binding and coiled-coil domain (CALCOCO1) like | |
| PF07918 | CAP160 | CAP160 repeat | |
| PF07931 | CPT | Chloramphenicol phosphotransferase-like protein | Q56148 |
| PF07942 | CARME | Carnosine N-methyltransferase | Q8N4J0 |
| PF07946 | CCDC47 | PAT complex subunit CCDC47 | Q96A33 |
| PF07960 | CBP4 | CBP4 | |
| PF07970 | COPIIcoated_ERV | Endoplasmic reticulum vesicle transporter | Q04651 |
| PF07975 | C1_4 | TFIIH C1-like domain | Q13888 |
| PF07989 | Cnn_1N | Centrosomin N-terminal motif 1 | Q96SN8 |
| PF08009 | CDP-OH_P_tran_2 | CDP-alcohol phosphatidyltransferase 2 | |
| PF08045 | CDC14 | Cell division control protein 14, SIN component | |
| PF08073 | CHDNT | CHDNT (NUC034) domain | Q14839 |
| PF08074 | CHDCT2 | CHDCT2 (NUC038) domain | Q14839 |
| PF08077 | Cm_res_leader | Chloramphenicol resistance gene leader peptide | |
| PF08113 | CoxIIa | Cytochrome c oxidase subunit IIa family | P82543 |
| PF08134 | cIII | cIII protein family | |
| PF08140 | Cuticle_1 | Crustacean cuticle protein repeat | |
| PF08143 | CBFNT | CBFNT (NUC161) domain | |
| PF08144 | CPL | CPL (NUC119) domain | Q15397 |
| PF08172 | CASP_C | CASP C terminal | |
| PF08205 | C2-set_2 | CD80-like C2-set immunoglobulin domain | Q9NZQ7 |
| PF08213 | COX24_C | Mitochondrial mRNA-processing protein COX24, C-terminal | Q9NWT8 |
| PF08216 | CTNNBL | Catenin-beta-like, Arm-motif containing nuclear | Q8WYA6 |
| PF08218 | Citrate_ly_lig | Citrate lyase ligase C-terminal domain | |
| PF08230 | CW_7 | CW_7 repeat | P19385 |
| PF08261 | Carcinustatin | Carcinustatin peptide | |
| PF08266 | Cadherin_2 | Cadherin-like | Q91XX0 |
| PF08312 | cwf21 | cwf21 domain | Q9UQ35 |
| PF08315 | cwf18 | cwf18 pre-mRNA splicing factor | |
| PF08318 | COG4_m | COG4 transport protein, middle alpha-helical bundle | |
| PF08329 | ChitinaseA_N | Chitinase A, N-terminal domain | Q4AE59 |
| PF08332 | CaMKII_AD | Calcium/calmodulin dependent protein kinase II association domain | Q13554 |
| PF08347 | CTNNB1_binding | N-terminal CTNNB1 binding | |
| PF08405 | Calici_PP_N | Viral polyprotein N-terminal | |
| PF08406 | CbbQ_C | CbbQ/NirQ/NorQ C-terminal | B7J5E4 |
| PF08407 | Chitin_synth_1N | Chitin synthase N-terminal | P30572 |
| PF08434 | CLCA | Calcium-activated chloride channel N terminal | |
| PF08506 | Cse1 | Cse1 | O42480 |
| PF08507 | COPI_assoc | COPI associated protein | |
| PF08511 | COQ9 | COQ9 | O75208 |
| PF08547 | CIA30 | Complex I intermediate-associated protein 30 (CIA30) | A0A371C5R6 |
| PF08559 | Cut8 | Cut8, nuclear proteasome tether protein | P38937 |
| PF08562 | Crisp | Crisp | Q8JI39 |
| PF08564 | CDC37_C | Cdc37 C terminal domain | Q16543 |
| PF08565 | CDC37_M | Cdc37 Hsp90 binding domain | Q16543 |
| PF08583 | Cmc1 | Cytochrome c oxidase biogenesis protein Cmc1 like | |
| PF08603 | CAP_C | Adenylate cyclase associated (CAP) C terminal | P40124 |
| PF08613 | Cyclin | Cyclin | P53124 |
| PF08617 | CGI-121 | Kinase binding protein CGI-121 | Q9Y3C4 |
| PF08624 | CRC_subunit | Chromatin remodelling complex Rsc7/Swp82 subunit | P43554 |
| PF08627 | CRT-like | CRT-like, chloroquine-resistance transporter-like | W7FI62 |
| PF08683 | CAMSAP_CKK | Microtubule-binding calmodulin-regulated spectrin-associated | Q5T5Y3 |
| PF08695 | Coa1 | Cytochrome oxidase complex assembly protein 1 | |
| PF08728 | CRT10 | CRT10 | |
| PF08742 | C8 | C8 domain | P04275 |
| PF08750 | CNP1 | CNP1-like family | |
| PF08752 | COP-gamma_platf | Coatomer gamma subunit appendage platform subdomain | Q9QZE5 |
| PF08757 | CotH | CotH kinase protein | Q739M5 |
| PF08758 | Cadherin_pro | Cadherin prodomain like | P15116 |
| PF08763 | Ca_chan_IQ | Voltage gated calcium channel IQ domain | Q15878 |
| PF08764 | Coagulase | Staphylococcus aureus coagulase | P17855 |
| PF08767 | CRM1_C | CRM1 C terminal | P30822 |
| PF08773 | CathepsinC_exc | Cathepsin C exclusion domain | P53634 |
| PF08782 | c-SKI_SMAD_bind | c-SKI Smad4 binding domain | P12757 |
| PF08798 | CRISPR_assoc | CRISPR associated protein | Q47PJ5 |
| PF08821 | CGGC | CGGC domain | |
| PF08839 | CDT1 | DNA replication factor CDT1 like | Q8R4E9 |
| PF08847 | Crr6 | Chlororespiratory reduction 6 | |
| PF08881 | CVNH | CVNH domain | P81180 |
| PF08931 | Caudo_bapla_RBP | Lactophage receptor-binding protein C-terminal head domain | Q71AW2 |
| PF08936 | CsoSCA_C | Carboxysome Shell Carbonic Anhydrase, C-terminal | O85042 |
| PF08943 | CsiD | CsiD | P76621 |
| PF08964 | Crystall_3 | Beta/Gamma crystallin | Q7RY31 |
| PF09000 | Cytotoxic | Cytotoxic | P00646 |
| PF09002 | Card1_endonuc | Card1-like, endonuclease domain | A0A2N4S908 |
| PF09026 | CENP-B_dimeris | Centromere protein B dimerisation domain | P07199 |
| PF09030 | Creb_binding | Creb binding | Q92793 |
| PF09048 | Cro | Cro | P03040 |
| PF09053 | CagZ | CagZ | O25261 |
| PF09076 | Crystall_2 | Beta/Gamma crystallin | Q9RCK8 |
| PF09078 | CheY-binding | CheY binding | P07363 |
| PF09079 | Cdc6_C | CDC6, C terminal winged helix domain | P09119 |
| PF09087 | Cyc-maltodext_N | Cyclomaltodextrinase, N-terminal | Q8KKG0 |
| PF09125 | COX2-transmemb | Cytochrome C oxidase subunit II, transmembrane | Q5SJ80 |
| PF09129 | Chol_subst-bind | Cholesterol oxidase, substrate-binding | B5MGF8 |
| PF09147 | CarA_N | Carbapenam-3-carboxylate synthase, N-terminal | Q9XB61 |
| PF09150 | Carot_N | Orange carotenoid protein, N-terminal | U5QHX0 |
| PF09191 | CD4-extracel | CD4, extracellular | P01730 |
| PF09193 | CholecysA-Rec_N | Cholecystokinin A receptor, N-terminal | P32238 |
| PF09204 | Colicin_immun | Bacterial self-protective colicin-like immunity | P11899 |
| PF09209 | CecR_C | HTH-type transcriptional dual regulator CecR, C-terminal domain | Q4JIX5 |
| PF09212 | CBM27 | Carbohydrate binding module 27 | A5IMX7 |
| PF09232 | Caenor_Her-1 | Caenorhabditis elegans Her-1 | P34704 |
| PF09265 | Cytokin-bind | Cytokinin dehydrogenase 1, FAD and cytokinin binding | A0A1D6QQD6 |
| PF09268 | Clathrin-link | Clathrin, heavy-chain linker | Q00610 |
| PF09287 | CEP1-DNA_bind | CEP-1, DNA binding | Q20646 |
| PF09295 | ChAPs | ChAPs (Chs5p-Arf1p-binding proteins) | P40955 |
| PF09304 | Cortex-I_coil | Cortexillin coiled-coil region | Q54HG2 |
| PF09316 | Cmyb_C | C-myb, C-terminal | |
| PF09344 | Cas_CT1975 | CT1975-like protein | Q47PJ3 |
| PF09367 | CpeS | CpeS-like protein | L1JFC7 |
| PF09404 | C12orf66_like | KICSTOR complex C12orf66 like | Q6P1I3 |
| PF09415 | CENP-X | CENP-S associating Centromere protein X | A8MT69 |
| PF09443 | CFC | Cripto_Frl-1_Cryptic (CFC) | P51865 |
| PF09447 | Cnl2_NKP2 | Cnl2/NKP2 family protein | Q06162 |
| PF09455 | Csx1_HEPN | CRISPR system endoribonuclease Csx1, HEPN domain | B6YWC3 |
| PF09469 | Cobl | Cordon-bleu ubiquitin-like domain | Q53SF7 |
| PF09478 | CBM49 | Carbohydrate binding domain CBM49 | |
| PF09481 | CRISPR_Cse1 | CRISPR-associated protein Cse1 (CRISPR_cse1) | Q47PJ1 |
| PF09484 | Cas_TM1802 | CRISPR-associated protein TM1802 (cas_TM1802) | |
| PF09485 | CRISPR_Cse2 | CRISPR-associated protein Cse2 (CRISPR_cse2) | Q47PJ2 |
| PF09489 | CbtB | Probable cobalt transporter subunit (CbtB) | |
| PF09490 | CbtA | Probable cobalt transporter subunit (CbtA) | |
| PF09496 | CENP-O | Cenp-O kinetochore centromere component | Q9BU64 |
| PF09507 | CDC27 | DNA polymerase subunit Cdc27 | Q15054 |
| PF09559 | Cas6 | Cas6 Crispr | |
| PF09600 | Cyd_oper_YbgE | Cyd operon protein YbgE (Cyd_oper_YbgE) | |
| PF09609 | Cas_GSU0054 | CRISPR-associated protein, GSU0054 family (Cas_GSU0054) | |
| PF09611 | Cas_Csy1 | CRISPR-associated protein (Cas_Csy1) | A0A3A8DDU9 |
| PF09614 | Cas_Csy2 | CRISPR-associated protein (Cas_Csy2) | Q02MM0 |
| PF09615 | Cas_Csy3 | CRISPR-associated protein (Cas_Csy3) | Q02MM1 |
| PF09617 | Cas_GSU0053 | CRISPR-associated protein GSU0053 (Cas_GSU0053) | B8GLG3 |
| PF09618 | Cas_Csy4 | CRISPR-associated protein (Cas_Csy4) | Q02MM2 |
| PF09620 | Cas_csx3 | CRISPR-associated protein (Cas_csx3) | O28415 |
| PF09623 | Cas_NE0113 | CRISPR-associated protein NE0113 (Cas_NE0113) | Q7LYJ6 |
| PF09649 | CHZ | Histone chaperone domain CHZ | Q2R2Z3 |
| PF09651 | Cas_APE2256 | CRISPR-associated protein (Cas_APE2256) | F0NH89 |
| PF09652 | Cas_VVA1548 | Putative CRISPR-associated protein (Cas_VVA1548) | |
| PF09657 | Cas_Csx8 | CRISPR-associated protein Csx8 (Cas_Csx8) | |
| PF09658 | Cas_Csx9 | CRISPR-associated protein (Cas_Csx9) | |
| PF09659 | Cas_Csm6_HEPN | Cas_Csm6 HEPN domain | E6LHV2 |
| PF09670 | Cas_Cas02710 | Csm6 HEPN domain | Q53W17 |
| PF09675 | Chlamy_scaf | Chlamydia-phage Chp2 scaffold (Chlamy_scaf) | |
| PF09678 | Caa3_CtaG | Cytochrome c oxidase caa3 assembly factor (Caa3_CtaG) | |
| PF09696 | Ctf8 | Ctf8 | P38877 |
| PF09700 | Cas_Cmr3 | CRISPR-associated protein (Cas_Cmr3) | F0NDX1 |
| PF09701 | Cas_Cmr5 | CRISPR-associated protein (Cas_Cmr5) | Q8U1T0 |
| PF09702 | Cas_Csa5 | CRISPR-associated protein (Cas_Csa5) | |
| PF09703 | Cas_Csa4 | CRISPR-associated protein (Cas_Csa4) | Q8U338 |
| PF09704 | Cas_Cas5d | CRISPR-associated protein (Cas_Cas5) | Q72WF9 |
| PF09706 | Cas_CXXC_CXXC | CRISPR-associated protein (Cas_CXXC_CXXC) | |
| PF09707 | Cas_Cas2CT1978 | CRISPR-associated protein (Cas_Cas2CT1978) | P45956 |
| PF09709 | Cas_Csd1 | CRISPR-associated protein (Cas_Csd1) | Q72WF8 |
| PF09711 | Cas_Csn2 | CRISPR-associated protein (Cas_Csn2) | G3ECR4 |
| PF09717 | CPW_WPC | Plasmodium falciparum domain of unknown function (CPW_WPC) | |
| PF09719 | C_GCAxxG_C_C | Putative redox-active protein (C_GCAxxG_C_C) | P81040 |
| PF09727 | CortBP2 | Cortactin-binding protein-2 | |
| PF09732 | CactinC_cactus | Cactus-binding C-terminus of cactin protein | Q8WUQ7 |
| PF09747 | CCD97-like_C | Coiled-coil domain containing protein 97-like, C-terminal | |
| PF09762 | CCDC93_CC | CCDC93 coiled-coil domain | |
| PF09786 | CytochromB561_N | Cytochrome B561, N terminal | |
| PF09789 | CC149 | Coiled-coil domain-containing protein 149-A | |
| PF09806 | CDK2AP | Cyclin-dependent kinase 2-associated protein | O75956 |
| PF09813 | Coa3_cc | Cytochrome c oxidase assembly factor 3 | |
| PF09827 | CRISPR_Cas2 | CRISPR associated protein Cas2 | Q9KFX8 |
| PF09828 | ChrB_C | ChrB, C-terminal domain | |
| PF10040 | CRISPR_Cas6 | CRISPR-associated endoribonuclease Cas6 | F3ZXK6 |
| PF10075 | CSN8_PSD8_EIF3K | CSN8/PSMD8/EIF3K family | P48556 |
| PF10133 | CooT | CO dehydrogenase accessory protein CooT | P72320 |
| PF10137 | CAP12-PCTIR_TIR | CAP12/Pycsar effector protein, TIR domain | A0A2T5Y4G4 |
| PF10147 | CR6_interact | Growth arrest and DNA-damage-inducible proteins-interacting protein 1 | Q8TAE8 |
| PF10152 | CCDC53 | Subunit CCDC53 of WASH complex | |
| PF10155 | CNOT11 | CCR4-NOT transcription complex subunit 11 | Q9UKZ1 |
| PF10170 | C6_DPF | Cysteine-rich domain | |
| PF10174 | Cast | RIM-binding protein of the cytomatrix active zone | |
| PF10191 | COG7 | Golgi complex component 7 (COG7) | |
| PF10197 | Cir_N | N-terminal domain of CBF1 interacting co-repressor CIR | Q9NXE8 |
| PF10216 | ChpXY | CO2 hydration protein (ChpXY) | Q8DKF3 |
| PF10226 | CCDC85 | CCDC85 family | |
| PF10231 | COA8 | Cytochrome c oxidase assembly factor 8 | |
| PF10233 | Cg6151-P | Uncharacterized conserved protein CG6151-P | |
| PF10234 | Cluap1 | Clusterin-associated protein-1 | A0A2K3CQB1 |
| PF10235 | Cript | Microtubule-associated protein CRIPT | Q9P021 |
| PF10288 | CTU2 | Cytoplasmic tRNA 2-thiolation protein 2 | |
| PF10312 | Cactin_mid | Conserved mid region of cactin | Q8WUQ7 |
| PF10345 | Cohesin_load | Cohesin loading factor | P40090 |
| PF10346 | Con-6 | Conidiation protein 6 | |
| PF10372 | CdaS_N | Diadenylate cyclase CdaS, N-terminal | Q812L9 |
| PF10380 | CRF1 | Transcription factor CRF1 | |
| PF10383 | Clr2 | Transcription-silencing protein Clr2 | O13881 |
| PF10392 | COG5_N | Conserved oligomeric Golgi complex subunit 5, N-terminal | Q6CLE2 |
| PF10407 | Cytokin_check_N | Cdc14 phosphatase binding protein N-terminus | |
| PF10414 | CysG_dimeriser | Sirohaem synthase dimerisation region | P25924 |
| PF10431 | ClpB_D2-small | C-terminal, D2-small domain, of ClpB protein | C3TLS7 |
| PF10438 | Cyc-maltodext_C | Cyclo-malto-dextrinase C-terminal domain | Q8KKG0 |
| PF10472 | CReP_N | eIF2-alpha phosphatase phosphorylation constitutive repressor | |
| PF10473 | CENP-F_leu_zip | Leucine-rich repeats of kinetochore protein Cenp-F/LEK1 | |
| PF10481 | CENP-F_N | Cenp-F N-terminal domain | |
| PF10482 | CtIP_N | Tumour-suppressor protein CtIP N-terminal domain | Q99708 |
| PF10490 | CENP-F_C_Rb_bdg | Rb-binding domain of kinetochore protein Cenp-F/LEK1 | |
| PF10511 | Cementoin | Trappin protein transglutaminase binding domain | P19957 |
| PF10534 | CRIC_ras_sig | Connector enhancer of kinase suppressor of ras | |
| PF10557 | Cullin_Nedd8 | Cullin protein neddylation domain | Q6PCF2 |
| PF10561 | C2orf69 | C2orf69 | |
| PF10562 | CaM_bdg_C0 | Calmodulin-binding domain C0 of NMDA receptor NR1 subunit | Q05586 |
| PF10563 | CA_like | Delta carbonic anhydrase | |
| PF10607 | CTLH | CTLH/CRA C-terminal to LisH motif domain | P40208 |
| PF10614 | CsgF | Type VIII secretion system (T8SS), CsgF protein | P0AE98 |
| PF10627 | CsgE | Curli assembly protein CsgE | P0AE95 |
| PF10628 | CotE | Outer spore coat protein E (CotE) | |
| PF10629 | CMI2B-like | Ciliary microtubule inner protein 2B-like | A8MTA8 |
| PF10643 | Cytochrome-c551 | Photosystem P840 reaction-centre cytochrome c-551 | O07091 |
| PF10645 | Carb_bind | Carbohydrate binding | |
| PF10719 | ComFB | Late competence development protein ComFB | P39146 |
| PF10729 | CedA | Cell division activator CedA | P0AE60 |
| PF10814 | CwsA | Cell wall synthesis protein CwsA | |
| PF10815 | ComZ | ComZ | |
| PF10873 | CYYR1 | Cysteine and tyrosine-rich protein 1 | |
| PF10890 | Cyt_b-c1_8 | Cytochrome b-c1 complex subunit 8 | A0A1S3U9S5 |
| PF10945 | CBP_BcsR | Cellulose biosynthesis protein BcsR-like | P0ADJ3 |
| PF10972 | CsiV | Peptidoglycan-binding protein, CsiV | |
| PF10995 | CBP_BcsE | Cellulose biosynthesis protein BcsE | P37657 |
| PF11007 | CotJA | Spore coat associated protein JA (CotJA) | |
| PF11018 | Cuticle_3 | Pupal cuticle protein C1 | |
| PF11033 | ComJ | Competence protein J (ComJ) | P12669 |
| PF11057 | Cortexin | Cortexin of kidney | |
| PF11069 | CFAP298 | Cilia- and flagella-associated protein 298 | |
| PF11098 | Chlorosome_CsmC | Chlorosome envelope protein C | |
| PF11105 | CCAP | Arthropod cardioacceleratory peptide 2a | |
| PF11111 | CENP-M | Centromere protein M (CENP-M) | Q9NSP4 |
| PF11120 | CBP_BcsF | Cellulose biosynthesis protein BcsF | |
| PF11152 | CCB2_CCB4 | Cofactor assembly of complex C subunit B, CCB2/CCB4 | |
| PF11347 | CRR42-like | Protein CHLORORESPIRATORY REDUCTION 42-like | |
| PF11429 | Colicin_D | Colicin D | P17998 |
| PF11434 | CHIPS | Chemotaxis-inhibiting protein CHIPS | A6QIG7 |
| PF11500 | Cut12 | Cut12 conserved domain | |
| PF11504 | Colicin_Ia | Colicin Ia | P06716 |
| PF11515 | Cul7 | Mouse development and cellular proliferation protein Cullin-7 | Q14999 |
| PF11520 | Cren7 | Chromatin protein Cren7 | Q97ZE3 |
| PF11525 | CopK | Copper resistance protein K | Q58AD3 |
| PF11531 | CARM1 | Coactivator-associated arginine methyltransferase 1 N terminal | Q4AE70 |
| PF11535 | Calci_bind_CcbP | Calcium binding | Q8YY42 |
| PF11546 | CompInhib_SCIN | Staphylococcal complement inhibitor SCIN | Q931M7 |
| PF11598 | COMP | Cartilage oligomeric matrix protein | Q9R0G6 |
| PF11600 | CAF1A_acidic | Chromatin assembly factor 1 complex p150 subunit, acidic region | |
| PF11604 | CusF_Ec | Copper binding periplasmic protein CusF | P77214 |
| PF11615 | Caf4 | CCR4-associated factor 4 | P36130 |
| PF11617 | Cu-binding_MopE | Putative metal-binding motif | G1UBC6 |
| PF11618 | C2-C2_1 | First C2 domain of RPGR-interacting protein 1 | Q68CZ1 |
| PF11658 | CBP_BcsG | Cellulose biosynthesis protein BcsG | P37659 |
| PF11699 | CENP-C_C | Mif2/CENP-C like | Q03188 |
| PF11718 | CPSF73-100_C | Pre-mRNA 3'-end-processing endonuclease polyadenylation factor C-term | Q9UKF6 |
| PF11731 | Cdd1 | Pathogenicity locus | |
| PF11735 | CAP59_mtransfer | Cryptococcal mannosyltransferase 1 | |
| PF11760 | CbiG_N | Cobalamin synthesis G N-terminal | Q97WD0 |
| PF11761 | CbiG_mid | Cobalamin biosynthesis central region | |
| PF11766 | Candida_ALS_N | Agglutinin-like protein, N-terminal domain | Q59L12 |
| PF11773 | ComGE | Competence system putative prepilin ComGE | |
| PF11775 | CobT_C | Cobalamin biosynthesis protein CobT VWA domain | |
| PF11783 | Cytochrome_cB | Cytochrome c bacterial | Q8E9W8 |
| PF11802 | CENP-K | Centromere-associated protein K | Q9BS16 |
| PF11819 | CUPID | Cytohesin Ubiquitin Protein Inducing Domain | |
| PF11833 | CPP1-like | Protein CHAPERONE-LIKE PROTEIN OF POR1-like | |
| PF11912 | CfaA_B_C | Counting factor-associated protein A/B/C | |
| PF11971 | CAMSAP_CH | CAMSAP CH domain | |
| PF12014 | Cyclin_D1_bind | Cyclin D1 binding domain | Q5XUX0 |
| PF12022 | COG2_C | COG complex component, COG2, C-terminal | |
| PF12026 | CAS_C | Crk-Associated Substrate C-terminal domain | Q61140 |
| PF12032 | CLIP | Regulatory CLIP domain of proteinases | Q9VB68 |
| PF12046 | CCB1 | Cofactor assembly of complex C subunit B | |
| PF12076 | CER1-like_C | CER1-like, C-terminal domain | |
| PF12095 | CRR7 | Protein CHLORORESPIRATORY REDUCTION 7 | Q8YR53 |
| PF12106 | Colicin_E5 | Colicin E5 ribonuclease domain | P18000 |
| PF12109 | CXCR4_N | CXCR4 Chemokine receptor N terminal | P61073 |
| PF12123 | CBD_PlyG | PlyG Cell wall binding domain | Q8LTE6 |
| PF12153 | CAP18_C | LPS binding domain of CAP18 (C terminal) | P49913 |
| PF12192 | CBP | Fungal calcium binding protein | F0UVX7 |
| PF12243 | CTK3 | CTD kinase subunit gamma CTK3 | Q9USJ8 |
| PF12253 | CAF1A_dimeriz | Chromatin assembly factor 1 subunit A dimerization domain | |
| PF12265 | CAF1C_H4-bd | Histone-binding protein RBBP4 or subunit C of CAF1 complex | P39984 |
| PF12269 | CpG_bind_C | CpG binding protein C-terminal domain | |
| PF12270 | Cyt_c_ox_IV | Cytochrome c oxidase subunit IV | A0R056 |
| PF12271 | Chs7 | Chitin synthase export chaperone | |
| PF12287 | Caprin-1_C | Cytoplasmic activation/proliferation-associated protein-1 C term | |
| PF12288 | CsoS2_M | Carboxysome shell peptide mid-region | |
| PF12301 | CD99L2 | CD99 antigen like protein 2 | |
| PF12348 | CLASP_N | CLASP N terminal | A0A493R6X7 |
| PF12350 | CTK3_C | CTD kinase subunit gamma CTK3 C-terminus | P46963 |
| PF12366 | Casc1_C | Cancer susceptibility candidate 1 C-terminal | |
| PF12411 | Choline_sulf_C | Choline sulfatase enzyme C terminal | O69787 |
| PF12422 | Condensin2nSMC | Condensin II non structural maintenance of chromosomes subunit | |
| PF12441 | CopG_antitoxin | CopG antitoxin of type II toxin-antitoxin system | |
| PF12469 | Cmr2_N | CRISPR-associated protein Cmr2, N-terminal | F0NDX2 |
| PF12515 | CaATP_NAI | Ca2+-ATPase N terminal autoinhibitory domain | Q9LF79 |
| PF12539 | Csm1 | Chromosome segregation protein Csm1/Pcs1 | Q6FVN3 |
| PF12542 | CWC25 | Pre-mRNA splicing factor | Q9NXE8 |
| PF12546 | Cryptochrome_C | Blue/Ultraviolet sensing protein C terminal | B8A2L5 |
| PF12556 | CobS_N | Cobaltochelatase CobS subunit N terminal | |
| PF12557 | Co_AT_N | Cob(I)alamin adenosyltransferase N terminal | |
| PF12567 | CD45 | Leukocyte receptor CD45 | P08575 |
| PF12597 | Cox20 | Cytochrome c oxidase assembly protein COX20 | |
| PF12605 | CK1gamma_C | Casein kinase 1 gamma C terminal | Q9Y6M4 |
| PF12639 | Colicin-DNase | DNase/tRNase domain of colicin-like bacteriocin | |
| PF12652 | CotJB | CotJB protein | |
| PF12662 | cEGF | Complement Clr-like EGF-like | A2ARV4 |
| PF12694 | cpYpsA | Circularly permutated YpsA SLOG family | Q2LU76 |
| PF12717 | Cnd1 | non-SMC mitotic condensation complex subunit 1 | Q06156 |
| PF12719 | Cnd3 | Nuclear condensing complex subunits, C-term domain | Q06680 |
| PF12733 | Cadherin-like | Cadherin-like beta sandwich domain | |
| PF12734 | CYSTM | Cysteine-rich TM module stress tolerance | |
| PF12736 | CABIT | Cell-cycle sustaining, positive selection, | |
| PF12765 | Cohesin_HEAT | HEAT repeat associated with sister chromatid cohesion | Q04002 |
| PF12770 | CHAT | CHAT domain | A0A0B0EKL4 |
| PF12792 | CSS-motif | CSS motif domain associated with EAL | |
| PF12815 | CTD | Spt5 C-terminal nonapeptide repeat binding Spt4 | C4R370 |
| PF12852 | Cupin_6 | Cupin | |
| PF12876 | Cellulase-like | Sugar-binding cellulase-like | A6LH36 |
| PF12904 | Collagen_bind_2 | Putative collagen-binding domain of a collagenase | Q8A905 |
| PF12922 | Cnd1_N | non-SMC mitotic condensation complex subunit 1, N-term | Q06156 |
| PF12973 | Cupin_7 | ChrR Cupin-like domain | A1TY68 |
| PF13092 | CENP-L | Centromere protein L | Q8N0S6 |
| PF13094 | CENP-Q | CENP-Q, a CENPA-CAD centromere complex subunit | Q7L2Z9 |
| PF13096 | CENP-P | CENP-A-nucleosome distal (CAD) centromere subunit, CENP-P | Q6IPU0 |
| PF13097 | CENP-U | CENP-A nucleosome associated complex (NAC) subunit | Q71F23 |
| PF13117 | Cag12 | Cag pathogenicity island protein Cag12 | Q6VRP0 |
| PF13144 | ChapFlgA | Chaperone for flagella basal body P-ring formation | |
| PF13189 | Cytidylate_kin2 | Cytidylate kinase-like family | A5Z9C0 |
| PF13232 | Complex1_LYR_1 | Complex1_LYR-like | |
| PF13233 | Complex1_LYR_2 | Complex1_LYR-like | Q9VJZ4 |
| PF13236 | CLU | Clustered mitochondria | |
| PF13246 | Cation_ATPase | Cation transport ATPase (P-type) | P13637 |
| PF13259 | clamp_Gag1-like | Gag1-like, clamp domain | |
| PF13270 | CCDC28 | Coiled-coil domain-containing protein 28 | |
| PF13290 | CHB_HEX_C_1 | Chitobiase/beta-hexosaminidase C-terminal domain | B2UQE4 |
| PF13299 | CPSF100_C | Cleavage and polyadenylation factor 2 C-terminal | Q9P2I0 |
| PF13380 | CoA_binding_2 | CoA binding domain | A0A7V8UZ53 |
| PF13435 | Cytochrome_C554 | Cytochrome c554 and c-prime | D5XBK3 |
| PF13442 | Cytochrome_CBB3 | Cytochrome C oxidase, cbb3-type, subunit III | Q71JE9 |
| PF13473 | Cupredoxin_1 | Cupredoxin-like domain | A0A6L7H6L8 |
| PF13541 | ChlI | Subunit ChlI of Mg-chelatase | Q8DRP0 |
| PF13585 | CHU_C | CHU_C Type IX secretion signal domain | P15926 |
| PF13620 | CarboxypepD_reg | Carboxypeptidase regulatory-like domain | O75976 |
| PF13621 | Cupin_8 | Cupin-like domain | K7WEY7 |
| PF13631 | Cytochrom_B_N_2 | Cytochrome b(N-terminal)/b6/petB | A0R052 |
| PF13657 | Couple_hipA | HipA N-terminal domain | Q5ZSZ7 |
| PF13682 | CZB | Chemoreceptor zinc-binding domain | |
| PF13690 | CheX | Chemotaxis phosphatase CheX | A0A3Q0L3P3 |
| PF13715 | CarbopepD_reg_2 | CarboxypepD_reg-like domain | Q8A6W3 |
| PF13716 | CRAL_TRIO_2 | Divergent CRAL/TRIO domain | A2CG49 |
| PF13727 | CoA_binding_3 | CoA-binding domain | Q5E8F4 |
| PF13838 | Clathrin_H_link | Clathrin-H-link | I3LGD4 |
| PF13870 | CCDC113_CCDC96_CC | CCDC113/CCDC96, coiled-coil | |
| PF13883 | CREG_beta-barrel | CREG, beta-barrel | A1B1N4 |
| PF13889 | Chromosome_seg | Chromosome segregation during meiosis | |
| PF13903 | Claudin_2 | PMP-22/EMP/MP20/Claudin tight junction | P19518 |
| PF13904 | CCDC34 | Coiled-coil domain-containing protein 34 | |
| PF13907 | CHD1-like_C | Chromodomain-helicase-DNA-binding protein 1-like, C-terminal | P32657 |
| PF13944 | Calycin_like | Calycin-like beta-barrel domain | Q5LBW6 |
| PF13959 | CTE_SPB4 | ATP-dependent rRNA helicase SPB4-like, C-terminal extension | S6CCW7 |
| PF14052 | Caps_assemb_Wzi | Capsule assembly protein Wzi | Q8GNN6 |
| PF14073 | Cep57_CLD | Centrosome localisation domain of Cep57 | |
| PF14102 | Caps_synth_CapC | Capsule biosynthesis CapC | |
| PF14130 | Cap4_nuclease | Cap4, dsDNA endonuclease domain | |
| PF14138 | COX16 | Cytochrome c oxidase assembly protein COX16 | |
| PF14159 | CAAD | CAAD domains of cyanobacterial aminoacyl-tRNA synthetase | |
| PF14173 | ComGG | ComG operon protein 7 | |
| PF14194 | Cys_rich_VLP | Cysteine-rich VLP | |
| PF14197 | Cep57_CLD_2 | Centrosome localisation domain of PPC89 | |
| PF14205 | Cys_rich_KTR | Cysteine-rich KTR | |
| PF14206 | Cys_rich_CPCC | Cysteine-rich CPCC | |
| PF14218 | COP23 | Circadian oscillating protein COP23 | |
| PF14255 | Cys_rich_CPXG | Cysteine-rich CPXCG | |
| PF14262 | Cthe_2159 | Carbohydrate-binding domain-containing protein Cthe_2159 | A3DHD2 |
| PF14283 | CD1107-like | Mobile element protein CD1107-like | |
| PF14304 | CSTF_C | Transcription termination and cleavage factor C-terminal | Q6CKN2 |
| PF14327 | CSTF2_hinge | Hinge domain of cleavage stimulation factor subunit 2 | Q6CKN2 |
| PF14353 | CpXC | CpXC protein | |
| PF14375 | Cys_rich_CWC | Cysteine-rich CWC | |
| PF14395 | COOH-NH2_lig | Phage phiEco32-like COOH.NH2 ligase-type 2 | |
| PF14396 | CFTR_R | Cystic fibrosis TM conductance regulator (CFTR), regulator domain | P13569 |
| PF14403 | CP_ATPgrasp_2 | Circularly permuted ATP-grasp type 2 | Q1H4C5 |
| PF14420 | Clr5 | Clr5 domain | |
| PF14476 | Chloroplast_duf | Petal formation-expressed | |
| PF14495 | Cytochrom_C550 | Cytochrome c-550 domain | B4WI32 |
| PF14504 | CAP_assoc_N | CAP-associated N-terminal | A0A348A8R7 |
| PF14506 | CppA_N | CppA N-terminal | Q9X4I9 |
| PF14507 | CppA_C | CppA C-terminal | Q9X4I9 |
| PF14522 | Cytochrome_C7 | Cytochrome c7 and related cytochrome c | A7NJ87 |
| PF14526 | Cass2 | Integron-associated effector binding protein | Q9HUT5 |
| PF14537 | Cytochrom_c3_2 | Cytochrome c3 | A0A2T3H499 |
| PF14585 | CagY_I | CagY type 1 repeat | O25262 |
| PF14592 | Chondroitinas_B | Chondroitinase B | F0S7Y7 |
| PF14600 | CBM_5_12_2 | Cellulose-binding domain | P07103 |
| PF14617 | CMS1 | U3-containing 90S pre-ribosomal complex subunit | |
| PF14645 | Chibby | Chibby family | |
| PF14683 | CBM-like | Polysaccharide lyase family 4, domain III | Q00019 |
| PF14705 | Costars | Costars | Q9P1F3 |
| PF14738 | CFAP91 | Cilia- and flagella-associated protein 91 | A0A2K3DJU2 |
| PF14769 | CLAMP | Flagellar C1a complex subunit C1a-32 | Q45QX4 |
| PF14798 | Ca_hom_mod | Calcium homeostasis modulator | E7F2J4 |
| PF14806 | Coatomer_b_Cpla | Coatomer beta subunit appendage platform | Q9JIF7 |
| PF14816 | CANIN | Coiled-coil and Nse Interacting (CANIN) domain | Q8IX21 |
| PF14825 | CFAP77 | Cilia- and flagella-associated protein 77 | Q6ZQR2 |
| PF14858 | CFAP54_N | Cilia- and flagella-associated protein 54 | A8J666 |
| PF14859 | Colicin_M | Colicin M | A0A067XG75 |
| PF14880 | COX14 | Cytochrome oxidase c assembly | |
| PF14915 | CCDC144C | CCDC144C protein coiled-coil region | |
| PF14916 | CCDC92 | Coiled-coil domain of unknown function | |
| PF14917 | CCDC74_C | Coiled coil protein 74, C terminal | |
| PF14923 | CCDC142 | Coiled-coil protein 142 | |
| PF14926 | CFAP300 | Cilia- and flagella-associated protein 300 | |
| PF14933 | CEP19 | CEP19-like protein | |
| PF14968 | CCDC84 | Coiled coil protein 84 | |
| PF14984 | CD24 | CD24 protein | |
| PF14989 | CCDC32 | Coiled-coil domain containing 32 | |
| PF14997 | CECR6_TMEM121 | CECR6/TMEM121 family | |
| PF15007 | CEP44 | Centrosomal spindle body, CEP44 | Q9C0F1 |
| PF15011 | CA109-like | Ribosome biogenesis protein C1orf109-like | |
| PF15013 | CCSMST1 | CCSMST1 family | |
| PF15014 | CLN5 | Ceroid-lipofuscinosis neuronal protein 5 | A0A024R644 |
| PF15019 | C9orf72-like | C9orf72-like protein family | Q96LT7 |
| PF15025 | C5orf34-like_N | C5orf34-like, N-terminal | |
| PF15043 | CNRIP1 | CB1 cannabinoid receptor-interacting protein 1 | Q5M7A7 |
| PF15044 | CLU_N | Mitochondrial function, CLU-N-term | |
| PF15045 | Clathrin_bdg | Clathrin-binding box of Aftiphilin, vesicle trafficking | |
| PF15064 | CATSPERG_beta-prop | CATSPERG beta-propeller domain | C6KI89 |
| PF15066 | CAGE1 | Cancer-associated gene protein 1 family | |
| PF15074 | CFAP90 | Cilia and flagella associated protein 90 | A4QMS7 |
| PF15083 | Colipase-like | Colipase-like | |
| PF15104 | CFAP141 | Cilia- and flagella-associated protein 141 | Q5VU69 |
| PF15116 | CD52 | CAMPATH-1 antigen | |
| PF15134 | CEP15-like | Centrosomal protein 15-like | |
| PF15139 | CFAP95 | Protein CFAP95 | Q5VTT2 |
| PF15149 | CATSPERB_C | CATSPERB, C-terminal domain | A2RTF1 |
| PF15153 | CYTL1 | Cytokine-like protein 1 | |
| PF15156 | CLN6 | Ceroid-lipofuscinosis neuronal protein 6 | |
| PF15169 | Cybc1_Eros | Cytochrome b-245 chaperone 1 / Eros | |
| PF15170 | CaM-KIIN | Calcium/calmodulin-dependent protein kinase II inhibitor | |
| PF15188 | CCDC-167 | Coiled-coil domain-containing protein 167 | |
| PF15211 | CXCL17 | VEGF co-regulated chemokine 1 | |
| PF15213 | CDRT4 | CMT1A duplicated region transcript 4 protein | |
| PF15236 | CCDC66 | Coiled-coil domain-containing protein 66 | |
| PF15239 | CFAP96-like | Cilia-and flagella-associated protein 96 | |
| PF15241 | Cylicin_N | Cylicin N-terminus | |
| PF15254 | CCDC14 | Coiled-coil domain-containing protein 14 | |
| PF15255 | CAP-ZIP_m | WASH complex subunit CAP-Z interacting, central region | |
| PF15281 | Consortin_C | Consortin C-terminus | |
| PF15295 | CCDC50_N | Coiled-coil domain-containing protein 50 N-terminus | |
| PF15296 | Codanin-1_C | Codanin-1 C-terminus | |
| PF15297 | CKAP2_C | Cytoskeleton-associated protein 2 C-terminus | |
| PF15308 | CEP170_C | CEP170 C-terminus | |
| PF15335 | CAAP1 | Caspase activity and apoptosis inhibitor 1 | |
| PF15340 | COPR5 | Cooperator of PRMT5 family | |
| PF15355 | Chisel | Stretch-responsive small skeletal muscle X protein, Chisel | |
| PF15359 | CDV3 | Carnitine deficiency-associated protein 3 | |
| PF15367 | CABS1 | Calcium-binding and spermatid-specific protein 1 | |
| PF15374 | CCDC71L | Coiled-coil domain-containing protein 71L | |
| PF15450 | CCDC154 | Coiled-coil domain-containing protein 154 | |
| PF15481 | CPG4 | Chondroitin proteoglycan 4 | |
| PF15482 | CCER1 | Coiled-coil domain-containing glutamate-rich protein family 1 | |
| PF15489 | CTC1 | CST, telomere maintenance, complex subunit CTC1 | Q2NKJ3 |
| PF15491 | CTC1_2 | CST, telomere maintenance, complex subunit CTC1 | |
| PF15510 | CENP-W | CENP-W protein | Q5EE01 |
| PF15511 | CENP-T_C | Centromere kinetochore component CENP-T histone fold | P62805 |
| PF15512 | CAF-1_p60_C | Chromatin assembly factor complex 1 subunit p60, C-terminal | |
| PF15539 | CAF1-p150_C2 | CAF1 complex subunit p150, region binding to CAF1-p60 at C-term | |
| PF15547 | C1ORF64 | Steroid receptor-associated and regulated protein | |
| PF15557 | CAF1-p150_N | CAF1 complex subunit p150, region binding to PCNA | |
| PF15617 | C-C_Bond_Lyase | C-C_Bond_Lyase of the TIM-Barrel fold | |
| PF15620 | CENP-C_mid | Centromere assembly component CENP-C middle DNMT3B-binding region | Q03188 |
| PF15622 | CENP_C_N | Kinetochore assembly subunit CENP-C N-terminal | Q03188 |
| PF15623 | CT47 | Cancer/testis gene family 47 | |
| PF15625 | CC2D2AN-C2 | CC2D2A N-terminal C2 domain | |
| PF15627 | CEP76-C2 | CEP76 C2 domain | |
| PF15630 | CENP-S | CENP-S protein | Q8N2Z9 |
| PF15661 | CF222 | C6orf222, uncharacterised family | |
| PF15669 | CCDC24 | Coiled-coil domain-containing protein 24 family | |
| PF15673 | Ciart | Circadian-associated transcriptional repressor | |
| PF15674 | CCDC23 | Coiled-coil domain-containing protein 23 | Q8N300 |
| PF15675 | CLLAC | CLLAC-motif containing domain | |
| PF15677 | CEND1 | Cell cycle exit and neuronal differentiation protein 1 | |
| PF15729 | CTSRT | Cation channel sperm-associated targeting subunit tau | |
| PF15748 | CCSAP | Centriole, cilia and spindle-associated | |
| PF15768 | CC190 | Coiled-coil domain-containing protein 190 | |
| PF15794 | CCDC106 | Coiled-coil domain-containing protein 106 | |
| PF15799 | CCD48 | Coiled-coil domain-containing protein 48 | |
| PF15800 | CiPC | Clock interacting protein circadian | |
| PF15804 | CCDC168_N | Coiled-coil domain-containing protein 168 | |
| PF15810 | CCDC117 | Coiled-coil domain-containing protein 117 | |
| PF15818 | CCDC73 | Coiled-coil domain-containing protein 73 family | |
| PF15862 | Coilin_N | Coilin N-terminus | |
| PF15886 | CBM39 | Carbohydrate binding domain (family 32) | Q9NHA8 |
| PF15895 | CAAX_1 | CAAX box cerebral protein 1 | |
| PF15921 | CCDC158 | Coiled-coil domain-containing protein 158 | |
| PF15927 | Casc1_N | Cancer susceptibility candidate 1 N-terminus | |
| PF15955 | Cuticle_4 | Cuticle protein | |
| PF15957 | Comm | Commissureless | |
| PF15964 | CCCAP | Centrosomal colon cancer autoantigen protein family | |
| PF15974 | Cadherin_tail | Cadherin C-terminal cytoplasmic tail, catenin-binding region | |
| PF15976 | CooC_C | CS1-pili formation C-terminal | |
| PF15980 | ComGF | Putative Competence protein ComGF | |
| PF15984 | Collagen_mid | Bacterial collagen, middle region | |
| PF16000 | CARMIL_C | CARMIL C-terminus | Q5VZK9 |
| PF16010 | CDH-cyt | Cytochrome domain of cellobiose dehydrogenase | A8P0V4 |
| PF16011 | CBM9_2 | Carbohydrate-binding family 9 | A7V8C0 |
| PF16019 | CSRNP_N | Cysteine/serine-rich nuclear protein N-terminus | |
| PF16025 | CaM_bind | Calcium-dependent calmodulin binding | |
| PF16035 | Chalcone_2 | Chalcone isomerase like | Q9M1X2 |
| PF16036 | Chalcone_3 | Chalcone isomerase-like | |
| PF16050 | CDC73_N | Paf1 complex subunit CDC73 N-terminal | Q6P1J9 |
| PF16092 | CFAP61_N | Cilia- and flagella-associated protein 61, N-terminal domain | |
| PF16095 | COR | C-terminal of Roc, COR, domain | Q5S007 |
| PF16114 | Citrate_bind | ATP citrate lyase citrate-binding | P53396 |
| PF16171 | CENP-T_N | Centromere kinetochore component CENP-T N-terminus | Q96BT3 |
| PF16184 | Cadherin_3 | Cadherin-like | Q6UVK1 |
| PF16189 | Creatinase_N_2 | Creatinase/Prolidase N-terminal domain | A0A144A2H0 |
| PF16327 | CcmF_C | Cytochrome c-type biogenesis protein CcmF C-terminal | Q72IU4 |
| PF16366 | CEBP_ZZ | Cytoplasmic polyadenylation element-binding protein ZZ domain | Q9BZB8 |
| PF16368 | CEBP1_N | Cytoplasmic polyadenylation element-binding protein 1 N-terminus | |
| PF16374 | CIF | Cycle inhibiting factor (CIF) | Q63KH5 |
| PF16381 | Coatomer_g_Cpla | Coatomer subunit gamma-1 C-terminal appendage platform | Q9QZE5 |
| PF16415 | CNOT1_CAF1_bind | CCR4-NOT transcription complex subunit 1 CAF1-binding domain | A5YKK6 |
| PF16417 | CNOT1_TTP_bind | CCR4-NOT transcription complex subunit 1 TTP binding domain | A5YKK6 |
| PF16418 | CNOT1_HEAT | CCR4-NOT transcription complex subunit 1 HEAT repeat | A5YKK6 |
| PF16419 | CNOT1_HEAT_N | CCR4-NOT transcription complex subunit 1 HEAT repeat | P25655 |
| PF16422 | COE1_DBD | Transcription factor COE1 DNA-binding domain | Q07802 |
| PF16423 | COE1_HLH | Transcription factor COE1 helix-loop-helix domain | Q9H4W6 |
| PF16484 | CPT_N | Carnitine O-palmitoyltransferase N-terminus | Q8TCG5 |
| PF16492 | Cadherin_C_2 | Cadherin cytoplasmic C-terminal | |
| PF16500 | Cyclin_N2 | Cyclin-A N-terminal APC/C binding region | P20248 |
| PF16516 | CC2-LZ | Leucine zipper of domain CC2 of NEMO, NF-kappa-B essential modulator | Q9Y6K9 |
| PF16526 | CLZ | C-terminal leucine zipper domain of cyclic nucleotide-gated channels | Q16281 |
| PF16527 | CpxA_peri | Two-component sensor protein CpxA, periplasmic domain | Q87KW6 |
| PF16545 | CCM2_C | Cerebral cavernous malformation protein, harmonin-homology | Q9BSQ5 |
| PF16557 | CUTL | CUT1-like DNA-binding domain of SATB | Q60611 |
| PF16566 | CREPT | Cell-cycle alteration and expression-elevated protein in tumour | Q9NQG5 |
| PF16567 | CagD | Pathogenicity island component CagD | P94837 |
| PF16573 | CLP1_N | N-terminal beta-sandwich domain of polyadenylation factor | Q08685 |
| PF16574 | CEP209_CC5 | Coiled-coil region of centrosome protein CE290 | |
| PF16575 | CLP1_P | mRNA cleavage and polyadenylation factor CLP1 P-loop | G0S263 |
| PF16592 | Cas9_REC | REC lobe of CRISPR-associated endonuclease Cas9 | Q99ZW2 |
| PF16593 | Cas9-BH | Bridge helix of CRISPR-associated endonuclease Cas9 | Q99ZW2 |
| PF16595 | Cas9_PI | PAM-interacting domain of CRISPR-associated endonuclease Cas9 | Q99ZW2 |
| PF16600 | Caskin1-CID | Caskin1 CASK-interaction domain | |
| PF16607 | CYLD_phos_site | Phosphorylation region of CYLD, unstructured | |
| PF16632 | Caskin-tail | C-terminal region of Caskin | |
| PF16641 | CLIP1_ZNF | CLIP1 zinc knuckle | P30622 |
| PF16643 | cNMPbd_u2 | Unstructured region on cNMP-binding protein | |
| PF16648 | Calpain_u2 | Unstructured region on Calpain-3 | |
| PF16679 | CDT1_C | DNA replication factor Cdt1 C-terminal domain | P47112 |
| PF16694 | Cytochrome_P460 | Cytochrome P460 | Q82W71 |
| PF16699 | CSTF1_dimer | Cleavage stimulation factor subunit 1, dimerisation domain | |
| PF16707 | CagS | Cag pathogenicity island protein S of Helicobacter pylori | P97227 |
| PF16710 | CTXphi_pIII-N1 | N-terminal N1 domain of Vibrio phage CTXphi pIII | |
| PF16715 | CDPS | Cyclodipeptide synthase | V7PYQ5 |
| PF16732 | ComP_DUS | Type IV minor pilin ComP, DNA uptake sequence receptor | A0A1B1ZB31 |
| PF16738 | CBM26 | Starch-binding module 26 | D4JJZ5 |
| PF16739 | CARD_2 | Caspase recruitment domain | O95786 |
| PF16760 | CBM53 | Starch/carbohydrate-binding module (family 53) | |
| PF16761 | Clr2_transil | Transcription-silencing protein, cryptic loci regulator Clr2 | O13881 |
| PF16766 | CID_GANP | Binding region of GANP to ENY2 | O60318 |
| PF16791 | Connexin40_C | Connexin 40 C-terminal domain | P28234 |
| PF16792 | Caud_bapl16_1st | Phage tail base-plate attachment protein N-terminal barrel domain | D3KFX4 |
| PF16813 | Cas_St_Csn2 | CRISPR-associated protein Csn2 subfamily St | Q5M539 |
| PF16824 | CBM_26 | C-terminal carbohydrate-binding module | Q88ND0 |
| PF16834 | CSM2 | Shu complex component Csm2, DNA-binding | P40465 |
| PF16838 | Caud_tail_N | Caudoviral major tail protein N-terminus | A0A1S6L1I1 |
| PF16841 | CBM60 | Ca-dependent carbohydrate-binding module xylan-binding | D7GNB4 |
| PF16846 | Cep3 | Centromere DNA-binding protein complex CBF3 subunit B | P40969 |
| PF16853 | CDC13_N | Cell division control protein 13 N-terminus | P32797 |
| PF16856 | CDC4_D | Cell division control protein 4 dimerisation domain | P07834 |
| PF16858 | CNDH2_C | Condensin II complex subunit CAP-H2 or CNDH2, C-terminal wHTH domain | |
| PF16860 | CX9C | CHCH-CHCH-like Cx9C, IMS import disulfide relay-system, | Q1G3Z3 |
| PF16861 | Carbam_trans_C | Carbamoyltransferase C-terminus | Q84G19 |
| PF16869 | CNDH2_M | Condensin II complex subunit CAP-H2 or CNDH2, mid domain | |
| PF16885 | CAC1F_C | Voltage-gated calcium channel subunit alpha, C-term | Q01668 |
| PF16892 | CHS5_N | Chitin biosynthesis protein CHS5 N-terminus | Q12114 |
| PF16899 | Cyclin_C_2 | Cyclin C-terminal domain | P51946 |
| PF16903 | Capsid_N | Major capsid protein N-terminus | Q89346 |
| PF16907 | Caskin-Pro-rich | Proline rich region of Caskin proteins | |
| PF16941 | CymA | Putative cyclodextrin porin | Q48391 |
| PF16942 | CclA_1 | Putative cyclic bacteriocin | |
| PF16959 | Collectrin | Renal amino acid transporter | Q9BYF1 |
| PF16965 | CSG2 | Ceramide synthase regulator | |
| PF16978 | CRIM | SAPK-interacting protein 1 (Sin1), middle CRIM domain | Q9BPZ7 |
| PF16980 | CitMHS_2 | Putative citrate transport | |
| PF16986 | CzcE | Heavy-metal resistance protein CzcE | Q1LAJ1 |
| PF16990 | CBM_35 | Carbohydrate binding module (family 35) | A0A193PKW5 |
| PF17036 | CBP_BcsS | Cellulose biosynthesis protein BcsS | |
| PF17037 | CBP_BcsO | Cellulose biosynthesis protein BcsO | |
| PF17038 | CBP_BcsN | Cellulose biosynthesis protein BcsN | |
| PF17040 | CBP_CCPA | Cellulose-complementing protein A | D5QCK0 |
| PF17045 | CEP63 | Centrosomal protein of 63 kDa | |
| PF17048 | Ceramidse_alk_C | Neutral/alkaline non-lysosomal ceramidase, C-terminal | Q9NR71 |
| PF17051 | COA2 | Cytochrome C oxidase assembly factor 2 | |
| PF17052 | CAF20 | Cap associated factor | P12962 |
| PF17095 | CAMSAP_CC1 | Spectrin-binding region of Ca2+-Calmodulin | |
| PF17149 | CHASE5 | Periplasmic sensor domain found in signal transduction proteins | |
| PF17150 | CHASE6_C | C-terminal domain of two-partite extracellular sensor domain | |
| PF17151 | CHASE7 | Periplasmic sensor domain | |
| PF17152 | CHASE8 | Periplasmic sensor domain | |
| PF17153 | CHASE9 | Periplasmic sensor domain, extracellular | |
| PF17201 | Cache_3-Cache_2 | Cache 3/Cache 2 fusion domain | |
| PF17218 | CBX7_C | CBX family C-terminal motif | O95931 |
| PF17221 | COMMD1_N | COMMD1 N-terminal domain | Q8N668 |
| PF17223 | CPCFC | Cuticle protein CPCFC | |
| PF17244 | CDC24_OB3 | Cell division control protein 24, OB domain 3 | |
| PF17245 | CDC24_OB2 | Cell division control protein 24, OB domain 2 | |
| PF17246 | CDC24_OB1 | Cell division control protein 24, OB domain 1 | |
| PF17262 | Cas6b_C | Cas6b C-terminal domain | A4FXZ3 |
| PF17308 | Corazonin | Pro-corazonin | |
| PF17334 | CsgA | Minor curli fiber component A | |
| PF17435 | CT_584-like | CT_584-like | A0A0H3MCR9 |
| PF17524 | CnrY | Anti-sigma factor CnrY | P56621 |
| PF17538 | C_LFY_FLO | DNA Binding Domain (C-terminal) Leafy/Floricaula | Q94IF5 |
| PF17584 | ComS | Bacillus competence protein S | |
| PF17615 | C166 | Family of unknown function | A0A5Q0V0G9 |
| PF17656 | ChapFlgA_N | FlgA N-terminal domain | |
| PF17691 | Croc_4 | Contingent replication of cDNA 4 | |
| PF17727 | CtsR_C | CtsR C-terminal dimerization domain | A0A0C3K8Q6 |
| PF17730 | Centro_C10orf90 | Centrosomal C10orf90 | |
| PF17783 | CvfB_WH | CvfB-like winged helix domain | A0A0H2UPM3 |
| PF17803 | Cadherin_4 | Bacterial cadherin-like domain | A0KNW4 |
| PF17839 | CNP_C_terminal | C-terminal domain of cyclic nucleotide phosphodiesterase | Q8Y432 |
| PF17850 | CysA_C_terminal | CysA C-terminal regulatory domain | Q9RHZ7 |
| PF17869 | Cys_box | Anosmin cysteine rich domain | P23352 |
| PF17876 | CSD2 | Cold shock domain | P30850 |
| PF17888 | Carm_PH | Carmil pleckstrin homology domain | Q6EDY6 |
| PF17892 | Cadherin_5 | Cadherin-like domain | |
| PF17893 | Cas9_b_hairpin | CRISPR-associated endonuclease Cas9 beta-hairpin domain | A0LWB3 |
| PF17894 | Cas9_Topo | Topo homolgy domain in CRISPR-associated endonuclease Cas9 | A0LWB3 |
| PF17945 | Crystall_4 | Beta/Gamma crystallin | O82882 |
| PF17952 | Cas6_N | Cas6 N-terminal domain | Q97WV8 |
| PF17953 | Csm4_C | CRISPR Csm4 C-terminal domain | Q5HK92 |
| PF17955 | Cas6b_N | Cas6b N-terminal domain | A4FXZ3 |
| PF17982 | C5HCH | NSD Cys-His rich domain | Q9BZ95 |
| PF17996 | CE2_N | Carbohydrate esterase 2 N-terminal | A0A0J9X278 |
| PF17997 | Cry1Ac_D5 | Insecticidal delta-endotoxin CryIA(c) domain 5 | P05068 |
| PF18011 | Catalase_C | C-terminal domain found in long catalases | M4GGR7 |
| PF18019 | Cas3_HD | Cas3, HD domain | Q8U336 |
| PF18050 | Cyclophil_like2 | Cyclophilin-like family | |
| PF18054 | CEL_III_C | CEL-III C-terminal | |
| PF18059 | Csd3_N | Csd3 N-terminal | O25247 |
| PF18061 | CRISPR_Cas9_WED | CRISPR-Cas9 WED domain | J7RUA5 |
| PF18070 | Cas9_PI2 | CRISPR-Cas9 PI domain | J7RUA5 |
| PF18099 | CBM_35_2 | Carbohydrate binding module (family 35) | A3DK57 |
| PF18146 | CinA_KH | Damage-inducible protein CinA KH domain | Q8DRX2 |
| PF18153 | Cap15_CD_rec | Cap15, cyclic dinucleotide receptor domain | |
| PF18178 | Cap17-like_N | ATP nucleosidase Cap17-like, N-terminal | |
| PF18196 | Cdh1_DBD_1 | Chromodomain helicase DNA-binding domain 1 | P32657 |
| PF18211 | Csm1_B | Csm1 subunit domain B | Q5HK89 |
| PF18228 | CdiI_N | CdiI N-terminal domain | A0A023GPJ0 |
| PF18232 | Chalcone_N | Chalcone isomerase N-terminal domain | V9P0A9 |
| PF18233 | Cdc13_OB4_dimer | Cdc13 OB4 dimerization domain | Q6CJ70 |
| PF18244 | CttA_N | Cellulose-binding protein CttA N-terminal domain | A0AEF5 |
| PF18249 | Ca_bind_SSO6904 | Calcium binding protein SSO6904 | Q97ZE1 |
| PF18252 | Cu_bind_CorA | Copper(I)-binding protein CorA-like | H8GPE3 |
| PF18259 | CBM65_1 | Carbohydrate binding module 65 domain 1 | Q3LHN3 |
| PF18283 | CBM77 | Carbohydrate binding module 77 | A0A1A9TA81 |
| PF18293 | Caprin-1_dimer | Caprin-1 dimerization domain | Q9I7D3 |
| PF18320 | Csc2 | Csc2 Crispr | Q6ZEI6 |
| PF18322 | CLIP_1 | Serine protease Clip domain PPAF-2 | Q9GRW0 |
| PF18323 | CSN5_C | Cop9 signalosome subunit 5 C-terminal domain | Q92905 |
| PF18344 | CBM32 | Carbohydrate binding module family 32 | Q89ZI2 |
| PF18375 | CDH1_2_SANT_HL1 | CDH1/2 SANT-Helical linker 1 | O14646 |
| PF18391 | CHIP_TPR_N | CHIP N-terminal tetratricopeptide repeat domain | Q9WUD1 |
| PF18392 | CSN7a_helixI | COP9 signalosome complex subunit 7a helix I domain | Q9H9Q2 |
| PF18395 | Cas3_C | Cas3 C-terminal domain | Q47PJ0 |
| PF18398 | CLIP_SPH_mas | Clip-domain serine protease homolog masquerade | |
| PF18399 | CLIP_SPH_Scar | Clip-domain serine protease homolog Scarface | |
| PF18420 | CSN4_RPN5_eIF3a | CSN4/RPN5/eIF3a helix turn helix domain | Q9BT78 |
| PF18425 | CspB_prodomain | Csp protease B prodomain | A0A0H2YU83 |
| PF18448 | CBM46 | Carbohydrate binding domain | D4P8C6 |
| PF18451 | CdiA_C | Contact-dependent growth inhibition CdiA C-terminal domain | |
| PF18453 | C4bp_oligo | Oligomerization domain of C4b-binding protein alpha | P04003 |
| PF18456 | CmlA_N | Diiron non-heme beta-hydroxylase N-terminal domain | F2RB80 |
| PF18470 | Cas9_a | Cas9 alpha-helical lobe domain | A0LWB3 |
| PF18484 | CDCA | Cadmium carbonic anhydrase repeat | Q50EL4 |
| PF18496 | ColG_sub | Collagenase G catalytic helper subdomain | Q9X721 |
| PF18499 | Cue1_U7BR | Ubc7p-binding region of Cue1 | P38428 |
| PF18500 | CadC_C1 | CadC C-terminal domain 1 | P23890 |
| PF18504 | Csm1_N | Csm1 N-terminal domain | P25651 |
| PF18525 | Cas9_C | Cas9 C-terminal domain | A0LWB3 |
| PF18537 | CODH_A_N | Carbon monoxide dehydrogenase subunit alpha N-terminal domain | Q3ACS4 |
| PF18562 | CIDR1_gamma | Cysteine-Rich Interdomain Region 1 gamma | B7T1P0 |
| PF18568 | COS | TRIM C-terminal subgroup One Signature domain | O15344 |
| PF18593 | CdiI_2 | CdiI immunity protein | |
| PF18616 | CdiI_3 | CDI immunity proteins | Q0T964 |
| PF18624 | CdiI_4 | CDI immunity protein | A0A1S4NYE4 |
| PF18631 | Cucumopine_C | Cucumopine synthase C-terminal helical bundle domain | R4QPW9 |
| PF18638 | CyRPA | Cysteine-Rich Protective Antigen 6 bladed domain | Q8IFM8 |
| PF18651 | CshA_NR2 | Surface adhesin CshA non-repetitive domain 2 | A8AXC5 |
| PF18659 | CelTOS | Cell-traversal protein for ookinetes and sporozoites | Q53UB7 |
| PF18664 | CdiA_C_tRNase | CdiA C-terminal tRNase domain | H9T8G6 |
| PF18666 | CBM64 | Carbohydrate-binding module 64 | E0RQU0 |
| PF18683 | ChiW_Ig_like | Chitinase W immunoglobulin-like domain | K7ZLW6 |
| PF18691 | Cdc13_OB2 | Cell division control protein 13, OB2 domain | P32797 |
| PF18695 | cPLA2_C2 | Cytosolic phospholipases A2 C2-domain | Q86XP0 |
| PF18700 | Castor1_N | Cytosolic arginine sensor for mTORC1 subunit 1 N-terminal domain | Q8WTX7 |
| PF18704 | Chromo_2 | Chromatin organization modifier domain 2 | Q17RS7 |
| PF18710 | ComR_TPR | ComR tetratricopeptide | A0A1L1QK15 |
| PF18717 | CxC4 | CxC4 like cysteine cluster associated with KDZ transposases | |
| PF18718 | CxC5 | CxC5 like cysteine cluster associated with KDZ transposases | |
| PF18721 | CxC6 | CxC6 like cysteine cluster associated with KDZ transposases | |
| PF18777 | CRM1_repeat | Chromosome region maintenance or exportin repeat | P30822 |
| PF18784 | CRM1_repeat_2 | CRM1 / Exportin repeat 2 | P30822 |
| PF18787 | CRM1_repeat_3 | CRM1 / Exportin repeat 3 | P30822 |
| PF18802 | CxC1 | CxC1 like cysteine cluster associated with KDZ transposases | |
| PF18803 | CxC2 | CxC2 like cysteine cluster associated with KDZ transposases | |
| PF18804 | CxC3 | CxC3 like cysteine cluster associated with KDZ transposases | |
| PF18822 | CdvA | CdvA-like coiled-coil domain | |
| PF18866 | CxC7 | CxC7 like cysteine cluster associated with KDZ transposases | |
| PF18921 | Cyanophycin_syn | Cyanophycin synthase-like N-terminal domain | Q113V7 |
| PF18927 | CrtO | Glycosyl-4,4'-diaponeurosporenoate acyltransferase | |
| PF18971 | CagA_N | CagA protein | P55980 |
| PF18973 | CBL | Putative Chitin binding like | |
| PF19021 | Cmr7A | CRISPR system CMR subunit Cmr7 1 | F0NDX7 |
| PF19041 | CBP30 | Nuclear cap binding complex subunit CBP30 | |
| PF19042 | CBP110 | Nuclear cap binding complex subunit CBP110 | |
| PF19043 | CBP66 | Nuclear cap binding complex subunit CBP66 C-terminal region | |
| PF19076 | CshA_repeat | Surface adhesin CshA repetitive domain | A8AWJ3 |
| PF19079 | CFSR | Collagen-flanked surface repeat | |
| PF19085 | Choline_bind_2 | Choline-binding repeat | P59206 |
| PF19127 | Choline_bind_3 | Choline-binding repeat | P16154 |
| PF19220 | Crescentin | Crescentin protein | |
| PF19223 | Chropara_Vmeth | Chroparavirus methyltransferase | |
| PF19266 | CIS_tube | Contractile injection system tube protein | Q8YRX1 |
| PF19267 | CIS_spike_tip | Contractile injection system spike tip protein | Q7N648 |
| PF19268 | CIS_TMP | Contractile injection system tape measure protein | |
| PF19280 | CERK_C | Ceramide kinase C-terminal domain | |
| PF19288 | CofH_C | CofH/MqnC C-terminal region | C6XW09 |
| PF19293 | CdaA_N | CdaA N-terminal transmembrane domain | |
| PF19308 | CRISPR_Cas6_N | CRISPR Cas6 N-terminal domain | Q53VU8 |
| PF19425 | Csd3_N2 | Csd3 second domain | Q9KN86 |
| PF19439 | CLEC16A_C | CLEC16A C-terminal | |
| PF19442 | CRIM1_C | Cysteine-rich motor neuron 1 protein C-terminal | |
| PF19548 | CHRDL_1_2_C | Chordin-like protein 1/2 C-terminal | |
| PF19567 | CpsB_CapC | Capsular polysaccharide synthesis, CpsB/CapC | Q9AHD4 |
| PF19699 | CLSTN_C | Calsyntenin C-terminal | |
| PF19769 | CPxCG_zf | CPxCG-related zinc finger | |
| PF19906 | CGDB | C-glycoside deglycosidase beta subunit | A0A3Q9WUX0 |
| PF20010 | Collagen_trimer | Collagen trimerization domain | P39059 |
| PF20077 | CcmD_alt | CcmD family protein | |
| PF20147 | Crinkler | Crinkler effector protein N-terminal domain | |
| PF20158 | Cas5fv_helical | Cas5fv helical domain | A4Y6G2 |
| PF20160 | C-JID | C-JID domain | A0A290U7C4 |
| PF20229 | ChrB_N | Protein ChrB, N-terminal | |
| PF20269 | CATRA-N | CASPASE and TPR Repeat-Associated N-terminal domain | |
| PF20270 | CATRA-C | CASPASE and TPR Repeat-Associated C-terminal domain | |
| PF20271 | CATASP | CATRA-Associated Small Protein | |
| PF20274 | cREC_REC | Cyclic-phosphate processing Receiver domain | |
| PF20275 | CTD10 | C-terminal domain 10 of the ABC-three component (ABC-3C) systems | |
| PF20276 | CTD1 | C-terminal domain 1 of the ABC-three component (ABC-3C) systems | |
| PF20277 | CTD11 | C-terminal domain 11 of the ABC-three component (ABC-3C) systems | |
| PF20278 | CTD2 | C-terminal domain 2 of the ABC-three component (ABC-3C) systems | |
| PF20279 | CTD12 | C-terminal domain 12 of the ABC-three component (ABC-3C) systems | |
| PF20280 | CTD4 | C-terminal domain 4 of the ABC-three component (ABC-3C) systems | |
| PF20281 | CTD5 | C-terminal domain 5 of the ABC-three component (ABC-3C) systems | |
| PF20282 | CTD6 | C-terminal domain 6 of the ABC-three component (ABC-3C) systems | |
| PF20283 | CTD7 | C-terminal domain 7 of the ABC-three component (ABC-3C) systems | |
| PF20284 | CTD8 | C-terminal domain 8 of the ABC-three component (ABC-3C) systems | |
| PF20285 | CTD9 | C-terminal domain 9 of the ABC-three component (ABC-3C) systems | |
| PF20395 | CTD3 | C-terminal domain 3 of the ABC-three component (ABC-3C) systems | |
| PF20451 | Calmod_bind_M | Calmodulin binding protein central domain | |
| PF20452 | Calmod_bind_C | Calmodulin binding protein C-terminal domain | |
| PF20543 | CowN | N2-fixation sustaining protein CowN | |
| PF20616 | Caps_syn_GfcC_N | Capsule biosynthesis GfcC, N-terminal | B7UN63 |
| PF20632 | CoV_NSP13_ZBD | Coronavirus Non-structural protein 13, zinc-binding domain | |
| PF20649 | COG5_C | Conserved oligomeric Golgi complex subunit 5, C-terminal | |
| PF20653 | COG6_C | Conserved Oligomeric Golgi complex subunit 6, C-terminal | |
| PF20662 | COG4_C | Conserved oligomeric Golgi complex subunit 4, C-terminal | |
| PF20663 | COG4_N | Conserved oligomeric Golgi complex subunit 4, N-terminal | |
| PF20671 | COG3_C | Conserved oligomeric Golgi complex subunit 3, C-terminal | |
| PF20686 | CsoSCA_cat | Carboxysome Shell Carbonic Anhydrase, catalytic domain | |
| PF20687 | CsoSCA_N | Carboxysome Shell Carbonic Anhydrase, N-terminal | |
| PF20692 | cpSF2-GREB1 | Circularly permuted SF2 helicase found in GREB1 proteins | |
| PF20712 | CyanoTRADDas_TM | Cyanobacterial TRADD-N associated 2-Transmembrane domain | |
| PF20721 | C19orf12 | C19orf12-like protein | |
| PF20738 | Cin1_N | Cellophane-induced 1 (cin1) repeat | |
| PF20747 | Caudo_bapla_N | Lactophage receptor-binding protein N-terminal shoulder domain | |
| PF20814 | CAA3_Cox_suIV | CAA3-type cytochrome c oxidase subunit IV | |
| PF20822 | Cmr2_hel_dom1 | CRISPR RNA silencing complex Cmr2 subunit, first helical domain | |
| PF20823 | Cmr2_Zn-bd | CRISPR RNA silencing complex Cmr2 subunit, Zn-binding domain | |
| PF20824 | Cmr2_hel_dom2 | CRISPR RNA silencing complex Cmr2 subunit, second helical domain | |
| PF20902 | CXCL16 | C-X-C motif chemokine 16 domain | |
| PF20923 | COMMD9_HN | COMMD9, helical N-terminal domain | |
| PF20946 | Ctf4_C | DNA polymerase alpha-binding protein Ctf4, C-terminal domain | |
| PF20953 | Caud_bapl16_3rd | Phage tail base-plate attachment protein C-terminal insertion domain | |
| PF20954 | Caud_bapl16_2nd | Phage tail base-plate attachment protein N0 domain | |
| PF20955 | Caud_bapl16_4th | Phage tail base-plate attachment protein C-terminal barrel domain | |
| PF20982 | CSS_CxxC | CSS_CxxC domain | |
| PF20991 | CBP66_1st | Nuclear cap binding complex subunit CBP66 N-terminal domain | |
| PF20992 | CBP66_2nd | Nuclear cap binding complex subunit CBP66 second domain | |
| PF20993 | CENPH | CENPH protein | |
| PF20994 | CENPU | CENPU protein | |
| PF21011 | CetZ_C | Tubulin-like CetZ, C-terminal domain | |
| PF21035 | CCDC138_C | Coiled-coil domain-containing protein 138, C-terminal domain | |
| PF21037 | CCDC138_cc | Coiled-coil-domain-containing protein 138, coiled-coil | |
| PF21038 | CEP104_N | Centrosomal protein CEP104, N-terminal domain | |
| PF21039 | CEP104_ZnF | Centrosomal protein CEP104, ZnF | |
| PF21040 | CEP104-like_TOG | Centrosomal protein CEP104-like, TOG domain | |
| PF21044 | CIP2A_N | CIP2A, N-terminal | |
| PF21049 | CFA69_ARM_rpt | Cilia- and flagella-associated protein 69, ARM repeat | |
| PF21069 | Csx12 | CRISPR-associated endonuclease Cas9 alpha-helical lobe | |
| PF21085 | CusS | CusS sensor domain | |
| PF21095 | CarD_C | CarD, C-terminal domain | |
| PF21111 | CDI_toxin_EC869_like | CDI toxin restriction endonuclease-like domain | |
| PF21112 | CsgH | CsgH protein | |
| PF21133 | CAA_C | CCA-adding enzyme, C-terminal domain | |
| PF21145 | C4_MG1 | Complement C4, MG1 domain | |
| PF21151 | CSN1_C | COP9 signalosome complex subunit 1, C-terminal helix | |
| PF21172 | CueP | Periplasmic copper-binding protein CueP | |
| PF21187 | CYAA_C | Yeast adenylate cyclase, C-terminal | |
| PF21191 | CvfB_1st | CvfB first S1-like domain | |
| PF21215 | CSN3-like_C | COP9 signalosome complex subunit 3-like, C-terminal helix | |
| PF21284 | C7_FIM2_N | Complement component C7, FIM2 N-terminal | |
| PF21286 | CFAI_FIMAC_N | Complement factor I, FIMAC N-terminal domain | |
| PF21291 | CYNS_N | Cyanate hydratase, N-terminal | |
| PF21308 | C3_CUB2 | Complement component 3, CUB domain, second segment | |
| PF21309 | C5_CUB | Complement component 5, CUB domain | |
| PF21329 | CYP38_PsbQ-like | Peptidyl-prolyl cis-trans isomerase CYP38-like, PsbQ-like domain | |
| PF21350 | Cas6_I-A | CRISPR-associated protein Cas6, N-terminal | |
| PF21384 | Cas3_I-F_Cas2 | CRISPR-associated nuclease/helicase Cas3, I-F/YPEST, Cas2 domain | |
| PF21389 | CASTOR1_ACT-like | Cytosolic arginine sensor for mTORC1 subunit 1/2, ACT-like | |
| PF21392 | COQ9_N | Ubiquinone biosynthesis protein COQ9, N-terminal domain | |
| PF21406 | C3_CUB1 | Complement component 3, CUB domain, first segment | |
| PF21431 | Col-Pyo_DNase | Colicin/Pyocin-S2, DNase domain | |
| PF21437 | CbiG-like_linker | CbiG-like, linker domain | |
| PF21444 | CofB_pilin_dom | CofB, pilin domain | |
| PF21452 | Cmr1_like_C | Cmr1-like, C-terminal | |
| PF21463 | Cry1Ac_dom-VII | Cry1Ac, domain VII | |
| PF21465 | Cwp6_N | Putative N-acetylmuramoyl-L-alanine amidase cwp6, N-terminal domain | |
| PF21483 | CdiA_helical | Toxin CdiA-like, helical domain | |
| PF21484 | Chp1-like_PIN | Chromo domain-containing protein 1-like, PIN domain | |
| PF21528 | CC2D1A-B_DM14 | Coiled-coil and C2 domain-containing protein 1, DM14 domain | |
| PF21540 | Choline_bind_4 | Choline-binding repeat | |
| PF21541 | CATSPERB_1st | CATSPER protein subunit beta protein 1st domain | |
| PF21543 | CvfB_2nd | Virulence regulatory factor CvfB, second domain | |
| PF21548 | CATSPERB_2nd | CATSPER subunit beta protein 2nd domain | |
| PF21551 | CSL4_N | Exosome complex component CSL4, N-terminal domain | |
| PF21554 | CCC_C_2nd_pro | Prokaryotic cation-chloride cotransporter, C-terminal domain, 2nd | |
| PF21555 | CCC_C_1st_pro | Prokaryotic cation-chloride cotransporter, C-terminal domain, 1st | |
| PF21574 | Cas9_PI_C | CRISPR-associated endonuclease Cas9, C-terminal domain | |
| PF21582 | CBM30 | Carbohydrate binding domain 30 | |
| PF21595 | CCL2-like | CCL2 lectin-like | |
| PF21604 | CRLF2_D1 | Cytokine receptor-like factor 2-like, D1 domain | |
| PF21605 | CRLF2-like_D2 | Cytokine receptor-like factor 2-like, D2 domain | |
| PF21615 | CBM-like_2 | Carbohydrate binding module-like | |
| PF21617 | CV_2116-like | Uncharacterized protein CV_2116-like | |
| PF21671 | CPL1-like | Protein CPL1-like | |
| PF21672 | COMM_HN | COMMD2-7/10, HN domain | |
| PF21673 | CCDC93_N | CCDC93 protein N-terminal domain | |
| PF21674 | CCDC22_N | CCDC22 protein N-terminal domain | |
| PF21678 | Csf1_N | Csf1 N-terminal region | |
| PF21681 | Csa5_I-A | Type-I-A Cascade subunit Csa5 | |
| PF21715 | CggR_N | CggR N-terminal DNA binding domain | |
| PF21765 | CUB_A2MG | A2MG, CUB domain | |
| PF21771 | CFAP58_CC | CFAP58 central coiled coil | |
| PF21772 | CATIP_N | Ciliogenesis-associated TTC17-interacting protein, N-terminal domain | |
| PF21796 | Cac1_C | Chromatin assembly factor 1 subunit Cac1, C-terminal domain | |
| PF21797 | CycT2-like_C | Cyclin-T2-like, C-terminal domain | |
| PF21802 | Cas3-like_C | CRISPR-associated Cas3 subtype I-F/YPEST-like, C-terminal domain | |
| PF21817 | CapR | CapR homology domain | |
| PF21825 | crAss001_48 | crAss001_48 related protein | |
| PF21862 | CiaD | CiaD-like protein | |
| PF21874 | CofJ | CofJ protein | |
| PF21875 | CAPN13-like_C_EFh | Calpain-13-like, C-terminal EF-hand | |
| PF21904 | CAND6-7_N | CAND6/7, N-terminal domain | |
| PF21908 | Cel124_C | Cel124 C-terminal catalytic domain | |
| PF21918 | cas_Cpf1_2nd | CRISPR-associated endonuclease Cpf1 REC2 domain | |
| PF21938 | CAP_N | CAP, N-terminal domain | |
| PF21955 | CarG-like | Carbapenem resistance protein CarG-like | |
| PF22045 | CmlS_C | Chloramphenicol halogenase CmlS C-terminal domain | |
| PF22060 | Cep192_D1 | Cep192 domain 1 | |
| PF22061 | CSN7_HB_subdom | CSN7 helical bundle subdomain | |
| PF22064 | Cep192_D2 | Cep192 domain 2 | |
| PF22065 | Cep192_D7 | Cep192 domain 7 | |
| PF22066 | Cep192_D8 | Cep192 domain 8 | |
| PF22067 | Cep192_D3 | Cep192 domain 3 | |
| PF22073 | Cep192_D4 | Cep192 domain 4 | |
| PF22074 | Cep192_D5 | Cep192 domain 5 | |
| PF22076 | Cep192_D6 | Cep192 domain 6 | |
| PF22077 | C2c1_Nuc-II | CRISPR-associated endonuclease C2c1 Nuc-II domain | |
| PF22087 | CT0912-like_C | CT0912-like, C-terminal domain | |
| PF22093 | Cwp8_D2 | Cell wall binding protein Cwp8 domain 2 | |
| PF22094 | CED4_WHD | CED4, winged-helix domain | |
| PF22126 | C2c1_RuvC-like | C2c1 CRISPR-Cas endonuclease, RuvC-like domain | |
| PF22129 | CjCas9_WED-like | CRISPR-associated endonuclease CjCas9 wedge domain | |
| PF22131 | CjCas9_PI_CTD | CRISPR-associated endonuclease CjCas9 PI-CTD domain | |
| PF22135 | Cwp8_D3 | Cell wall binding protein Cwp8 domain 3 | |
| PF22172 | C2c1_helical | CRISPR-associated endonuclease C2c1 second helical domain | |
| PF22184 | CBM_56 | Carbohydrate binding module family 56 | |
| PF22202 | C2c1_helical_1st | CRISPR-associated endonuclease C2c1 first helical domain | |
| PF22204 | C2c1_WED-II | CRISPR-associated endonuclease C2c1, wedge domain, second region | |
| PF22205 | Csm6_6H | Csm6 6H domain | |
| PF22206 | Cas_Csm6_6H | CRISPR-associated protein Csm6 6H domain | |
| PF22208 | Cas_Csm6_CARF | Cas_Csm6 CARF domain | |
| PF22209 | CPV_RdRP_N | CPV, RNA-directed RNA polymerase, N-terminal | |
| PF22212 | CPV_RdRP_pol_dom | CPV, RNA-directed RNA polymerase, central polymerase domain | |
| PF22222 | Cpf1_PI-like | CRISPR-associated endonuclease Cpf1 PI domain | |
| PF22228 | CofB_beta-rpt | CofB beta-repeat domain | |
| PF22229 | CofB_C | CofB C-terminal domain | |
| PF22230 | Csx1_CARF | CRISPR system endoribonuclease Csx1, CARF domain | |
| PF22282 | CydS | CydS-like protein | |
| PF22335 | Cas10-Cmr2_palm2 | Cas10/Cmr2, second palm domain | |
| PF22346 | CARDS_D3 | ADP-ribosylating toxin CARDS, C-terminal beta-trefoil domain | |
| PF22348 | ColA_N | Colicin-A N-terminal domain | |
| PF22368 | ChxR_N | Response regulator protein ChxR, N-terminal domain | |
| PF22374 | Clospo_01618-like | Clospo_01618-like | |
| PF22380 | Chp1-like_SPOC | Chromo domain-containing protein 1-like, SPOC domain | |
| PF22385 | Cas9_C_2 | CRISPR-associated endonuclease Cas9, C-terminal domain | |
| PF22392 | Cmr7b-like | Cmr7b-like, BtrG-like domain | |
| PF22395 | Crb2-like_BRCT-like | Crb2-like, BRCT-like domain | |
| PF22401 | Csd6-like_dimeriz | Cell-shape determining Csd6 N-terminal dimerization domain | |
| PF22407 | Cmr1_C | Cmr1, C-terminal domain | |
| PF22431 | COG2p_C | COG2p C-terminal | |
| PF22441 | CLIC-like_N | CLIC-like N-terminal domain | |
| PF22450 | CagL | T4SS protein CagL | |
| PF22462 | Ctf19_RWD2 | Ctf19, second RWD domain | |
| PF22463 | Ctf19_RWD1 | Ctf19, first RWD domain | |
| PF22487 | CRASP-2 | Complement regulator-acquiring surface protein 2 | |
| PF22488 | Class_2_docking_dom | Class 2 C-terminal docking domain | |
| PF22494 | choice_anch_I | Choice-of-anchor I domain | |
| PF22506 | Cj1289-like_C | Cj1289-like, C-terminal domain | |
| PF22509 | CARDS-D2_trefoil | CARDS D2, beta trefoil domain | |
| PF22512 | Csa_translocation_dom | Colicin S4 translocation domain | |
| PF22520 | Crb2_Tudor | Crb2, Tudor domain | |
| PF22550 | CesT_Tir_1 | CesT_Tir_1 | |
| PF22554 | Chap-C | TY-Chap C-terminal domain | |
| PF22579 | Cbm74 | Carbohydrate binding module-like | |
| PF22581 | CIMIP3 | Ciliary microtubule inner protein 3 | |
| PF22584 | CFAP143 | Cilia- and flagella-associated protein 143 | |
| PF22590 | Cas3-like_C_2 | CRISPR-associated nuclease/helicase Cas3, C-terminal | |
| PF22595 | CFAP107 | Cilia and flagella associated protein 107 | |
| PF22598 | CdsD_PD2 | CdsD, periplasmic PD2 domain | |
| PF22606 | Cdc6-ORC-like_ATPase_lid | Cdc6/ORC-like, ATPase lid domain | |
| PF22610 | CovS-like_HAMP | Histidine kinase, HAMP domain | |
| PF22611 | CFAP126 | Flattop | |
| PF22621 | CurL-like_PKS_C | CurL-like, PKS C-terminal | |
| PF22637 | CBM_4_9_1 | BppA domain 1 | |
| PF22649 | Cgl0159 | Cgl0159-like | |
| PF22661 | CO4A-B_CUB_C | Complement C4A/B CUB C-terminal domain | |
| PF22662 | Csa3_N | Csa3 CRISPR-associated Rossmann-like domain | |
| PF22674 | C2185-like_N | C2185-like, N-terminal | |
| PF22678 | Cytochrom_c_NrfB-like | Cytochrome c-type protein NrfB-like | |
| PF22694 | CtpB_N-like | Activating protease CtpB N-terminal domain | |
| PF22702 | Cas9_RuvC | Cas9 RuvC domain | |
| PF22703 | Cdc6_lid | Cdc6 AAA+ ATPase-type lid domain | |
| PF22704 | CBM13-like | Alpha-galactosidase, CBM13 domain | |
| PF22705 | C2-set_3 | Butyrophilin subfamily 3 member A2-like, Ig-C domain | |
| PF22788 | COP9_hel_rpt | COP9 signalosome complex subunit 3, N-terminal helical repeats | |
| PF22800 | CFAP410_C | CFAP410 C-terminal domain | |
| PF22812 | CR_prot_dom_plant | Plant cysteine-rich protein domain | |
| PF22815 | CatAgl_D1 | Alpha-1,3-glucanase catalytic domain D1 | |
| PF22816 | CatAgl_D2 | Alpha-1,3-glucanase catalytic domain D2 | |
| PF22830 | CATSPERB_head | CATSPERB head domain | |
| PF22831 | CATSPERB_Ig-like | CATSPERB Ig-like domain | |
| PF22833 | C5orf34_2nd | C5orf34-like, second domain | |
| PF22838 | COMMD8_HN | COMMD8, helical N-terminal domain | |
| PF22840 | CATSPERG_NTD | CATSPERG N-terminal domain | |
| PF22841 | CATSPERE_NTD1 | CATSPERE first N-terminal domain | |
| PF22843 | CATSPERE_NTD2 | CATSPERE second N-terminal domain | |
| PF22846 | CATSPERG_C | CATSPERG C-terminal domain | |
| PF22849 | CATSPERE_Ig-like | CATSPERE Ig-like domain | |
| PF22850 | CATSPERD-E_C | CATSPERD/E C-terminal domain | |
| PF22851 | CATSPERG_Ig-like | CATSPERG Ig-like domain | |
| PF22883 | Consortin_N | Consortin, N-terminal domain | |
| PF22909 | Caulimovir_coat_dom | Caulimovirus coat protein, conserved domain | |
| PF22926 | C1-like_CT | C1 domain-like, C-terminal | |
| PF22933 | ComC_SSD | ComC, supersandwich domain | |
| PF22940 | CNOT1_1st | CCR4-NOT transcription complex subunit 1, N-terminal domain | |
| PF22992 | C2CH-4th_BIRD-IDD | BIRD-IDD transcription factor, fourth C2HC zinc finger | |
| PF22995 | C2CH-3rd_BIRD-IDD | BIRD-IDD transcription factor, third C2HC zinc finger | |
| PF22996 | C2H2-2nd_BIRD-IDD | BIRD-IDD transcription factor, second C2H2 zinc finger | |
| PF22997 | CHS4 | Chitin synthase 4-like domain | |
| PF23000 | ChitinSynthase_IV_N | Chitin synthase N-terminal putative transporter domain | |
| PF23059 | CUB_M02D8_5_6th | M02D8_5-like, sixth CUB domain | |
| PF23060 | CUB_M02D8_5_1st | M02D8_5-like, first CUB domain | |
| PF23061 | CUB_M02D8_5_2nd | M02D8_5-like, second CUB domain | |
| PF23062 | CUB_M02D8_5_3rd | M02D8_5-like, third CUB domain | |
| PF23063 | CUB_M02D8_5_4th | M02D8_5-like, fourth CUB domain | |
| PF23064 | CUB_M02D8_5_5th | M02D8_5-like, fifth CUB domain | |
| PF23068 | CUB_M02D8_5_7th | M02D8_5-like, seventh CUB domain | |
| PF23119 | CTE_TERT | Telomerase reverse transcriptase, CTE domain | |
| PF23122 | C2_ITFG1 | ITFG1, C2 domain | |
| PF23138 | CTLH_Armc9 | Armc9, CTLH-like domain | |
| PF23150 | CFAP61_dimer | CFAP61 dimerisation domain | |
| PF23163 | CSD_RNase_II | CSD-like barrel domain | |
| PF23168 | CUL7_CUL9_N | CUL7/CUL9, N-terminal beta-barrel domain | |
| PF23185 | CFAP43_N | CFAP43 N-terminal domain | |
| PF23246 | CC_CDK5RAP2 | CDK5 regulatory subunit-associated protein 2-like, coiled coil | |
| PF23256 | CHX17_2nd | Plant cation/H(+) antiporter domain | |
| PF23259 | CHX17_C | Plant cation/H(+) antiporter, C-terminal domain | |
| PF23263 | C8-3_MUC4 | Mucin-4-like C8-3 domain | |
| PF23319 | CobW_C_DAAF9 | DAAF9 CobW_C-like domain | |
| PF23327 | Chromo_MORC2_6th | ATPase MORC2, chromo domain-like | |
| PF23332 | CC4_RECK | RECK-like, CC4 domain | |
| PF23340 | Chp1_domII | Chp1 domain II | |
| PF23400 | CARF_Card1 | Card1 CARF domain | |
| PF23448 | CAP-like_CFAP184 | CFAP184 CAP-like domain | |
| PF23449 | CBM-like_CFAP184 | CFAP184 CBM-like domain | |
| PF23456 | CSDE1 | Cold shock domain-containing protein E1 CSD domain | |
| PF23471 | Cap15_TM | Cap15, TM helices | |
| PF23493 | CysS_C | Cysteinyl-tRNA ligase anticodon binding domain | |
| PF23541 | CRF-BP_C | Corticotropin-releasing factor binding protein C-terminal domain | |
| PF23591 | CILP | Cartilage intermediate layer protein 1-like domain | |
| PF23592 | Cadherin_CELSR2_9th | CELSR2-like, ninth cadherin domain | |
| PF23599 | CILP_C | Cartilage intermediate layer protein 1-like, C-terminal | |
| PF23602 | CS_DNAAF11_C | Dynein axonemal assembly factor 11-like, CS domain | |
| PF23615 | Chromo_MIT1 | MIT1 Chromo domain | |
| PF23626 | CCD_aECM | aECM cysteine-cradle domain | |
| PF23665 | CDCP1_CUB_6 | CDCP1 CUB domain | |
| PF23667 | CUB_CDCP1_1 | CDCP1 CUB domain | |
| PF23668 | CUB_CDCP1_2 | CDCP1 CUB domain | |
| PF23681 | CTT_SPB4 | ATP-dependent rRNA helicase SPB4-like, C-terminal tail | |
| PF23708 | CILP_5th | Cartilage intermediate layer protein 1-like domain | |
| PF23730 | CILP_8th | Cartilage intermediate layer protein 1-like domain | |
| PF23792 | CD1375-like | CD1375-like protein | |
| PF23846 | Cache_WalK | WalK sensor protein kinase Chache domain | |
| PF23862 | CdsD_C | CdsD C-terminal | |
| PF23863 | CdsD_PD1 | CdsD PD1 domain | |
| PF23898 | Crass_capsid | Crassvirus major capsid protein | |
| PF23999 | CUSTOS | CUSTOS | |
| PF24121 | Cas8b_N | Type I-B CRISPR Cas8b N-terminal domain | |
| PF24122 | Cas8b_C | Type I-B CRISPR Cas8b C-terminal domain | |
| PF24125 | Cds6_C | Cds6 C-terminal NTF2-like domain | |
| PF24147 | C2_SHIP1-2_2nd | SHIP1/2 second C2 domain | |
| PF24150 | C2_SHIP1-2_first | SHIP1/2 first C2 domain | |
| PF24161 | CCDC39 | Coiled-coil domain-containing protein 39 | |
| PF24172 | CdiI_ImmP | CdiI immunity protein EcoliA0-like | |
| PF24238 | CDGP | CDGP domain | |
| PF24252 | CdrL_M | CdrL-like, middle region | |
| PF24294 | Chromo_PTM | Membrane-bound transcription factor PTM, chromo domain-like | |
| PF24419 | Cupin_NOL9 | Polynucleotide 5'-hydroxyl-kinase NOL9, N-terminal domain | |
| PF24429 | CSLinker | CSLinker motif | |
| PF24473 | CON_HrpB | ATP-dependent RNA helicase HrpB, connector region | |
| PF24481 | CT398_CC | CT398-like coiled coil hairpin domain | |
| PF24517 | CBM96 | Carbohydrate-binding module family 96 | |
| PF24529 | CFAP47 | Cilia- and flagella-associated protein 47 domain | |
| PF24555 | CC4_CEP85 | Centrosomal protein of 85 kDa-like, CC4 coiled-coil domain | |
| PF24562 | CysR_MRC2_N | MRC2-like, N-terminal cysteine-rich domain | |
| PF24568 | CC_PcsB | Peptidoglycan hydrolase PcsB, coiled-coil domain | |
| PF24569 | CFAP161 | Cilia- and flagella-associated protein 161-like domain | |
| PF24578 | CSPP1_C | Centrosome and spindle pole-associated protein 1, C-terminal | |
| PF24605 | CEMIP_X | CEMIP domain X | |
| PF24606 | CEMIP_beta-hel | CEMIP beta-helix | |
| PF24607 | CBM_AftD | Arabinofuranosyltransferase D, third carbohydrate binding module | |
| PF24652 | CEP76_C | Centrosomal protein of 76 kDa C-terminal domain | |
| PF24654 | CEP76_N | CEP76 N-terminal domain | |
| PF24656 | CEPT76_peptidase | CEP76 peptidase-like domain | |
| PF24683 | CT021 | CT021 protein | |
| PF24744 | CARF-assoc_HTH | CARF-associated HTH | |
| PF24757 | C2H2_ASCIZ | ASCIZ fist and second C2H2 zinc finger domains | |
| PF24759 | C2HC_ASCIZ | ASCIZ third C2HC zinc finger domain | |
| PF24761 | C2H2_ASCIZ_4th | ASCIZ forth C2H2 zinc finger domain | |
| PF24763 | CGL160_C | CGL160, C-terminal | |
| PF24850 | CC_BshC | Bacillithiol biosynthesis BshC, C-terminal coiled-coil domain | |