| PF00144 | Beta-lactamase | Beta-lactamase | Q72UC8 |
| PF00170 | bZIP_1 | bZIP transcription factor | Q93ZE2 |
| PF00216 | Bac_DNA_binding | Bacterial DNA-binding protein | P0ACF0 |
| PF00228 | Bowman-Birk_leg | Bowman-Birk serine protease inhibitor family | Q05G17 |
| PF00289 | Biotin_carb_N | Biotin carboxylase, N-terminal domain | A0A640KPA4 |
| PF00296 | Bac_luciferase | Luciferase-like monooxygenase | A9CEY7 |
| PF00308 | Bac_DnaA | Bacterial DnaA ATPAse domain | P69933 |
| PF00351 | Biopterin_H | Biopterin-dependent aromatic amino acid hydroxylase | P17752 |
| PF00364 | Biotin_lipoyl | Biotin-requiring enzyme | A0A640KPA4 |
| PF00407 | Bet_v_1 | Pathogenesis-related protein Bet v 1 family | P93330 |
| PF00439 | Bromodomain | Bromodomain | P21675 |
| PF00452 | Bcl-2 | Apoptosis regulator proteins, Bcl-2 family | Q07820 |
| PF00528 | BPD_transp_1 | Binding-protein-dependent transport system inner membrane component | Q9JXP3 |
| PF00533 | BRCT | BRCA1 C Terminus (BRCT) domain | P38630 |
| PF00634 | BRCA2 | BRCA2 repeat | P51587 |
| PF00651 | BTB | BTB/POZ domain | O43791 |
| PF00653 | BIR | Inhibitor of Apoptosis domain | Q9NR09 |
| PF00779 | BTK | BTK motif | Q06187 |
| PF00936 | BMC | BMC domain | Q8G9V7 |
| PF00952 | Bunya_nucleocap | Bunyavirus nucleocapsid (N) protein | P16495 |
| PF00967 | Barwin | Barwin family | A0A059Q1L6 |
| PF01027 | Bax1-I | Inhibitor of apoptosis-promoting Bax1 | O31539 |
| PF01036 | Bac_rhodopsin | Bacteriorhodopsin-like protein | P02945 |
| PF01062 | Bestrophin | Bestrophin, RFP-TM, chloride channel | E1BF86 |
| PF01125 | BUD31 | Pre-mRNA-splicing factor BUD31 | P41223 |
| PF01145 | Band_7 | SPFH domain / Band 7 family | O59180 |
| PF01152 | Bac_globin | Bacterial-like globin | A9DF82 |
| PF01212 | Beta_elim_lyase | Beta-eliminating lyase | A1T4B4 |
| PF01311 | Bac_export_1 | Bacterial export proteins, family 1 | P0A1M6 |
| PF01312 | Bac_export_2 | FlhB HrpN YscU SpaS Family | P0A1M8 |
| PF01313 | Bac_export_3 | Bacterial export proteins, family 3 | P0A1M4 |
| PF01337 | Barstar | Barstar (barnase inhibitor) | P11540 |
| PF01338 | Bac_thur_toxin | Bacillus thuringiensis toxin | P0A382 |
| PF01426 | BAH | BAH domain | Q86U86 |
| PF01453 | B_lectin | D-mannose binding lectin | Q39276 |
| PF01586 | Basic | Myogenic Basic domain | |
| PF01603 | B56 | Protein phosphatase 2A regulatory B subunit (B56 family) | Q13362 |
| PF01721 | Bacteriocin_II | Class II bacteriocin | P0A310 |
| PF01722 | BolA | BolA-like protein | P53082 |
| PF01861 | BpsA_C | Branched-chain polyamine synthase A C-terminal domain | Q72L89 |
| PF01869 | BcrAD_BadFG | BadF/BadG/BcrA/BcrD ATPase family | Q3AET8 |
| PF02012 | BNR | BNR/Asp-box repeat | P62576 |
| PF02028 | BCCT | BCCT, betaine/carnitine/choline family transporter | B4EY22 |
| PF02043 | Bac_chlorC | Bacteriochlorophyll C binding protein | P0A314 |
| PF02044 | Bombesin | Bombesin-like peptide | Q8QFP2 |
| PF02084 | Bindin | Bindin | |
| PF02138 | Beach | Beige/BEACH domain | P50851 |
| PF02179 | BAG | BAG domain | Q99933 |
| PF02180 | BH4 | Bcl-2 homology region 4 | Q07817 |
| PF02214 | BTB_2 | BTB/POZ domain | P22001 |
| PF02216 | B | B domain | Q2UW24 |
| PF02237 | BPL_C | Biotin protein ligase C terminal domain | A0A0W7ZMT5 |
| PF02310 | B12-binding | B12 binding domain | C5AV67 |
| PF02327 | BChl_A | Bacteriochlorophyll A protein | Q46393 |
| PF02362 | B3 | B3 DNA binding domain | Q9C6M5 |
| PF02368 | Big_2 | Bacterial Ig-like domain (group 2) | Q6QGE2 |
| PF02369 | Big_1 | Bacterial Ig-like domain (group 1) | A0A498U5Z3 |
| PF02397 | Bac_transf | Bacterial sugar transferase | A7ZET4 |
| PF02414 | Borrelia_orfA | Borrelia ORF-A | |
| PF02485 | Branch | Core-2/I-Branching enzyme | Q86Y38 |
| PF02498 | Bro-N | BRO family, N-terminal domain | |
| PF02577 | BFN_dom | Bifunctional nuclease domain | Q9WY07 |
| PF02607 | B12-binding_2 | B12 binding domain | A0A0E3QQC8 |
| PF02608 | Bmp | ABC transporter substrate-binding protein PnrA-like | A3DFS3 |
| PF02632 | BioY | BioY family | A2RMJ9 |
| PF02653 | BPD_transp_2 | Branched-chain amino acid transport system / permease component | |
| PF02673 | BacA | Bacitracin resistance protein BacA | P60933 |
| PF02785 | Biotin_carb_C | Biotin carboxylase C-terminal domain | A0A640KPA4 |
| PF02923 | BamHI | Restriction endonuclease BamHI | P23940 |
| PF02929 | Bgal_small_N | Beta galactosidase small chain | P00722 |
| PF02944 | BESS | BESS motif | |
| PF02999 | Borrelia_orfD | Borrelia orf-D family | |
| PF03087 | BPS1 | Protein BPS1 | |
| PF03092 | BT1 | BT1 family | |
| PF03097 | BRO1 | BRO1-like domain | Q8WUM4 |
| PF03099 | BPL_LplA_LipB | Biotin/lipoate A/B protein ligase family | A0A0W7ZMT5 |
| PF03114 | BAR | BAR domain | Q9Y371 |
| PF03131 | bZIP_Maf | bZIP Maf transcription factor | Q16236 |
| PF03170 | BcsB | Bacterial cellulose synthase subunit | P37652 |
| PF03181 | BURP | BURP domain | |
| PF03258 | Baculo_FP | Baculovirus FP protein | |
| PF03273 | Baculo_gp64 | Baculovirus gp64 envelope glycoprotein | A0A140H4W8 |
| PF03437 | BtpA | BtpA family | |
| PF03478 | Beta-prop_KIB1-4 | KIB1-4 beta-propeller | |
| PF03483 | B3_4 | B3/4 domain | A0A0D6GBX6 |
| PF03484 | B5 | tRNA synthetase B5 domain | A0A0D6GBX6 |
| PF03493 | BK_channel_a | Calcium-activated BK potassium channel alpha subunit | Q5QJC5 |
| PF03494 | Beta-APP | Beta-amyloid peptide (beta-APP) | P12023 |
| PF03495 | Binary_toxB | Clostridial binary toxin B/anthrax toxin PA Ca-binding domain | A8DS70 |
| PF03594 | BenE | Benzoate membrane transport protein | |
| PF03703 | bPH_2 | Bacterial PH domain | |
| PF03704 | BTAD | Bacterial transcriptional activator domain | P9WGJ9 |
| PF03744 | BioW | 6-carboxyhexanoate--CoA ligase | O67575 |
| PF03909 | BSD | BSD domain | P32780 |
| PF03978 | Borrelia_REV | Borrelia burgdorferi REV protein | Q9S0B8 |
| PF04053 | B-prop_COPA_B_2nd | COPA/B second beta-propeller | P35606 |
| PF04076 | BOF | Bacterial OB fold (BOF) protein | P0ADU5 |
| PF04089 | BRICHOS | BRICHOS domain | P11686 |
| PF04160 | Borrelia_orfX | Orf-X protein | |
| PF04182 | B-block_TFIIIC | B-block binding subunit of TFIIIC | |
| PF04196 | Bunya_RdRp | Bunyavirus RNA dependent RNA polymerase | U3GU88 |
| PF04273 | BLH_phosphatase | Beta-lactamase hydrolase-like protein, phosphatase-like domain | A4Y1H6 |
| PF04301 | BioG | Pimeloyl-ACP methyl esterase BioG | P44251 |
| PF04355 | BamE | Outer membrane protein assembly factor BamE domain | P0A937 |
| PF04365 | BrnT_toxin | Ribonuclease toxin, BrnT, of type II toxin-antitoxin system | Q7CP72 |
| PF04380 | BMFP | Membrane fusogenic activity | |
| PF04425 | Bul1_N | Bul1 N terminus | |
| PF04426 | Bul1_C | Bul1 C terminus | |
| PF04427 | Brix | Brix domain | O14180 |
| PF04450 | BSP | Peptidase of plants and bacteria | |
| PF04513 | Baculo_PEP_C | Baculovirus polyhedron envelope protein, PEP, C terminus | |
| PF04519 | Bactofilin | Polymer-forming cytoskeletal | Q5SHG1 |
| PF04538 | BEX | Brain expressed X-linked like family | |
| PF04583 | Baculo_p74 | Baculoviridae p74 conserved region | |
| PF04639 | Baculo_E56 | Baculoviral E56 protein, specific to ODV envelope | P41705 |
| PF04681 | Bys1 | Blastomyces yeast-phase-specific protein | |
| PF04684 | BAF1_ABF1 | BAF1 / ABF1 chromatin reorganising factor | |
| PF04714 | BCL_N | BCL7, N-terminal conserver region | |
| PF04735 | Baculo_helicase | Baculovirus DNA helicase | |
| PF04762 | Beta-prop_ELP1_1st | ELP1 first N-terminal beta-propeller | Q7TT37 |
| PF04775 | Bile_Hydr_Trans | Acyl-CoA thioester hydrolase/BAAT N-terminal region | Q8N9L9 |
| PF04865 | Baseplate_J | Baseplate J-like protein | Q8YRX5 |
| PF04940 | BLUF | Sensors of blue-light using FAD | V5VB82 |
| PF04972 | BON | BON domain | P0ADE6 |
| PF05073 | Baculo_p24 | Baculovirus P24 capsid protein | |
| PF05088 | Bac_GDH_CD | Bacterial NAD-glutamate dehydrogenase, catalytic domain | A0R1C2 |
| PF05232 | BTP | Chlorhexidine efflux transporter | |
| PF05262 | Borrelia_P83 | Borrelia P83/100 protein | |
| PF05289 | BLYB | Borrelia hemolysin accessory protein | |
| PF05291 | Bystin | Bystin | P38333 |
| PF05298 | Bombinin | Bombinin | |
| PF05307 | Bundlin | Bundlin | P33553 |
| PF05420 | BCSC_C | Cellulose synthase operon protein C C-terminus (BCSC_C) | P37650 |
| PF05432 | BSP_II | Bone sialoprotein II (BSP-II) | |
| PF05466 | BASP1 | Brain acid soluble protein 1 (BASP1 protein) | |
| PF05525 | Branch_AA_trans | Branched-chain amino acid transport protein | |
| PF05529 | Bap31 | Bap31/Bap29 transmembrane region | |
| PF05588 | Botulinum_HA-17 | Clostridium botulinum HA-17 domain | Q45878 |
| PF05592 | Bac_rhamnosid | Bacterial alpha-L-rhamnosidase concanavalin-like domain | B5YC64 |
| PF05628 | Borrelia_P13 | Borrelia membrane protein P13 | |
| PF05687 | BES1_N | BES1/BZR1 plant transcription factor, N-terminal | Q8S307 |
| PF05688 | BIg21 | Bacterial Immunoglobulin-like 21 | |
| PF05700 | BCAS2 | Breast carcinoma amplified sequence 2 (BCAS2) | O75934 |
| PF05791 | Bacillus_HBL | Bacillus haemolytic enterotoxin (HBL) | Q9KL64 |
| PF05853 | BKACE | beta-keto acid cleavage enzyme | F1LJ99 |
| PF05858 | BIV_Env | Bovine immunodeficiency virus surface protein (SU) | |
| PF05968 | Bacillus_PapR | Bacillus PapR protein | |
| PF06113 | BRE | Brain and reproductive organ-expressed protein (BRE) | Q9NXR7 |
| PF06139 | BphX | BphX-like | |
| PF06143 | Baculo_11_kDa | Baculovirus 11 kDa family | |
| PF06211 | BAMBI | BMP and activin membrane-bound inhibitor (BAMBI) N-terminal domain | |
| PF06393 | BID | BH3 interacting domain (BID) | P55957 |
| PF06407 | BDV_P40 | Borna disease virus P40 protein | P0C796 |
| PF06522 | B12D | NADH-ubiquinone reductase complex 1 MLRQ subunit | O00483 |
| PF06553 | BNIP3 | BNIP3 | |
| PF06595 | BDV_P24 | Borna disease virus P24 protein | L0N429 |
| PF06616 | BsuBI_PstI_RE | BsuBI/PstI restriction endonuclease domain | C4P954 |
| PF06639 | BAP | Basal layer antifungal peptide (BAP) | |
| PF06713 | bPH_4 | Bacterial PH domain | |
| PF06726 | BC10 | Bladder cancer-related protein BC10 | |
| PF06773 | Bim_N | Bim protein N-terminus | |
| PF06832 | BiPBP_C | Penicillin-Binding Protein C-terminus Family | |
| PF06859 | Bin3 | Bicoid-interacting protein 3 (Bin3) | Q7L2J0 |
| PF06861 | BALF1 | BALF1 protein | |
| PF06968 | BATS | Biotin and Thiamin Synthesis associated domain | A1HPQ5 |
| PF06989 | BAALC_N | BAALC N-terminus | |
| PF07001 | BAT2_N | BAT2 N-terminus | |
| PF07162 | B9-C2 | Ciliary basal body-associated, B9 protein | |
| PF07284 | BCHF | 2-vinyl bacteriochlorophyllide hydratase (BCHF) | |
| PF07289 | BBL5 | Bardet-Biedl syndrome 5 protein | Q8N3I7 |
| PF07441 | BofA | SigmaK-factor processing regulatory protein BofA | |
| PF07467 | BLIP | Beta-lactamase inhibitor (BLIP) | P35804 |
| PF07523 | Big_3 | Bacterial Ig-like domain (group 3) | A7LUR6 |
| PF07524 | Bromo_TP | Bromodomain associated | O94864 |
| PF07532 | Big_4 | Bacterial Ig-like domain (group 4) | A0A415C3Q2 |
| PF07533 | BRK | BRK domain | P51532 |
| PF07565 | Band_3_cyto | Band 3 cytoplasmic domain | Q9XSW5 |
| PF07572 | BCNT | Bucentaur or craniofacial development | |
| PF07576 | BRAP2 | BRCA1-associated protein 2 | |
| PF07584 | BatA | Aerotolerance regulator N-terminal | |
| PF07585 | BBP7 | Putative beta barrel porin-7 (BBP7) | |
| PF07642 | BBP2 | Putative beta-barrel porin-2, OmpL-like. bbp2 | |
| PF07707 | BACK | BTB And C-terminal Kelch | Q14145 |
| PF07716 | bZIP_2 | Basic region leucine zipper | P17676 |
| PF07741 | BRF1 | Brf1-like TBP-binding domain | P29056 |
| PF07742 | BTG | BTG family | G5EDX7 |
| PF07832 | Bse634I | Cfr10I/Bse634I restriction endonuclease | Q9F6L0 |
| PF07886 | BA14K | BA14K-like protein | |
| PF07944 | Beta-AFase-like_GH127_cat | Beta-L-arabinofuranosidase, GH127 catalytic domain | E8MGH8 |
| PF08000 | bPH_1 | Bacterial PH domain | A1S3D0 |
| PF08031 | BBE | Berberine and berberine like | A3RXB7 |
| PF08072 | BDHCT | BDHCT (NUC031) domain | P54132 |
| PF08145 | BOP1NT | BOP1NT (NUC169) domain | O74399 |
| PF08146 | BP28CT | BP28CT (NUC211) domain | Q9H583 |
| PF08149 | BING4CT | BING4CT (NUC141) domain | P40055 |
| PF08180 | BAGE | B melanoma antigen family | |
| PF08201 | BssC_TutF | BssC/TutF protein | O68394 |
| PF08299 | Bac_DnaA_C | Bacterial dnaA protein helix-turn-helix | O66659 |
| PF08379 | Bact_transglu_N | Bacterial transglutaminase-like N-terminal region | |
| PF08381 | BRX | Transcription factor regulating root and shoot growth via Pin3 | F4K0X5 |
| PF08404 | Baculo_p74_N | Baculoviridae P74 N-terminal | |
| PF08522 | BT_3987-like_N | BT_3987-like, N-terminal domain | Q8A0N4 |
| PF08531 | Bac_rhamnosid_N | Alpha-L-rhamnosidase N-terminal domain | B5YC64 |
| PF08647 | BRE1 | BRE1 E3 ubiquitin ligase | |
| PF08667 | BetR | BetR domain | |
| PF08740 | BCS1_N | BCS1 N terminal | Q9CZP5 |
| PF08747 | BrxB | BREX protein BrxB | |
| PF08800 | BT4734-like_N | BT4734-like, N-terminal domain | |
| PF08840 | BAAT_C | BAAT / Acyl-CoA thioester hydrolase C terminal | Q8N9L9 |
| PF08849 | BrxA | BrxA | B7L3Y4 |
| PF08939 | Bles03 | Basophilic leukemia-expressed protein Bles03 | Q9H3H3 |
| PF08945 | Bclx_interact | Bcl-x interacting, BH3 domain | O43521 |
| PF08947 | BPS | BPS (Between PH and SH2) | Q14449 |
| PF08955 | BofC_C | BofC C-terminal domain | O05391 |
| PF08977 | BOFC_N | Bypass of Forespore C, N terminal | O05391 |
| PF09036 | Bcr-Abl_Oligo | Bcr-Abl oncoprotein oligomerisation domain | P11274 |
| PF09066 | B2-adapt-app_C | Beta2-adaptin appendage, C-terminal sub-domain | Q10567 |
| PF09073 | BUD22 | BUD22 | |
| PF09103 | BRCA-2_OB1 | BRCA2, oligonucleotide/oligosaccharide-binding, domain 1 | P97929 |
| PF09104 | BRCA-2_OB3 | BRCA2, oligonucleotide/oligosaccharide-binding, domain 3 | P97929 |
| PF09166 | Biliv-reduc_cat | Biliverdin reductase, catalytic | P53004 |
| PF09169 | BRCA-2_helical | BRCA2, helical | P97929 |
| PF09210 | BE_C | 1,4-alpha-glucan branching enzyme, C-terminal | O50094 |
| PF09221 | Bacteriocin_IId | Bacteriocin class IId cyclical uberolysin-like | A0A1L6ZNG9 |
| PF09227 | Bubble | Bubble protein | B6HMF2 |
| PF09256 | BaffR-Tall_bind | BAFF-R, TALL-1 binding | Q96RJ3 |
| PF09257 | BCMA-Tall_bind | BCMA, TALL-1 binding | Q02223 |
| PF09270 | BTD | Beta-trefoil DNA-binding domain | P31266 |
| PF09405 | Btz | CASC3/Barentsz eIF4AIII binding | O15234 |
| PF09501 | Bac_small_YrzI | Probable sporulation protein (Bac_small_yrzI) | |
| PF09607 | BrkDBD | Brinker DNA-binding domain | Q9XTN4 |
| PF09730 | BicD | Microtubule-associated protein Bicaudal-D | P16568 |
| PF09736 | Bud13 | Pre-mRNA-splicing factor of RES complex | Q9BRD0 |
| PF09792 | But2 | Ubiquitin 3 binding protein But2 C-terminal domain | |
| PF09825 | BPL_N | Biotin-protein ligase, N terminal | |
| PF09826 | Beta_propel | Beta propeller domain | |
| PF10046 | BLOC1_2 | Biogenesis of lysosome-related organelles complex-1 subunit 2 | |
| PF10082 | BBP2_2 | Putative beta-barrel porin 2 | |
| PF10104 | Brr6_like_C_C | Di-sulfide bridge nucleocytoplasmic transport domain | |
| PF10157 | BORCS6 | BLOC-1-related complex sub-unit 6 C-terminal helix | |
| PF10164 | BRI3 | Brain protein I3 | |
| PF10167 | BORCS8 | BLOC-1-related complex sub-unit 8 | |
| PF10354 | BMT5-like | rRNA (uridine-N3-)-methyltransferase BTM5-like | |
| PF10403 | BHD_1 | Rad4 beta-hairpin domain 1 | P14736 |
| PF10404 | BHD_2 | Rad4 beta-hairpin domain 2 | |
| PF10405 | BHD_3 | Rad4 beta-hairpin domain 3 | P14736 |
| PF10432 | bact-PGI_C | Bacterial phospho-glucose isomerase C-terminal SIS domain | Q8ZWV0 |
| PF10433 | Beta-prop_RSE1_1st | RSE1/DDB1/CPSF1 first beta-propeller | Q15393 |
| PF10435 | BetaGal_dom2 | Beta-galactosidase, domain 2 | A2QAN3 |
| PF10436 | BCDHK_Adom3 | Mitochondrial branched-chain alpha-ketoacid dehydrogenase kinase | Q00972 |
| PF10439 | Bacteriocin_IIc | Bacteriocin class II with double-glycine leader peptide | |
| PF10455 | BAR_2 | Bin/amphiphysin/Rvs domain for vesicular trafficking | |
| PF10456 | BAR_3_WASP_bdg | WASP-binding domain of Sorting nexin protein | Q8WV41 |
| PF10512 | Borealin | Cell division cycle-associated protein 8 | Q53HL2 |
| PF10514 | Bcl-2_BAD | Pro-apoptotic Bcl-2 protein, BAD | |
| PF10523 | BEN | BEN domain | Q5T5X7 |
| PF10651 | BppU_N | BppU N-terminal domain | A4ZFD4 |
| PF10684 | BDM | Putative biofilm-dependent modulation protein | |
| PF10756 | bPH_6 | Bacterial PH domain | |
| PF10759 | BPA | Bacterial proteasome activator | P9WKX3 |
| PF10882 | bPH_5 | Bacterial PH domain | |
| PF10923 | BrxC_BrxD | BREX system ATP-binding protein BrxC/D | |
| PF10996 | Beta-Casp | Beta-Casp domain | Q9VAH9 |
| PF11009 | BrxC | Monothiol bacilliredoxin BrxC | A0A0H3JTE8 |
| PF11502 | BCL9 | B-cell lymphoma 9 protein | O00512 |
| PF11564 | BpuJI_N | Restriction endonuclease BpuJI - N terminal | A3FMN7 |
| PF11642 | Blo-t-5 | Mite allergen Blo t 5 | B2GM84 |
| PF11715 | Beta-prop_Nup120_160 | Nucleoporin Nup120/160, beta-propeller domain | A0A6I8QA34 |
| PF11758 | Bacteriocin_IIi | Aureocin-like type II bacteriocin | A4UVR2 |
| PF11792 | Baculo_LEF5_C | Baculoviridae late expression factor 5 C-terminal domain | |
| PF11822 | BTB_SANBR | SANT and BTB domain regulator of CSR, BTB domain | |
| PF11968 | Bmt2 | 25S rRNA (adenine(2142)-N(1))-methyltransferase, Bmt2 | Q9W138 |
| PF11974 | bMG3 | Bacterial alpha-2-macroglobulin MG3 domain | P76578 |
| PF12015 | Bud3_N | Bud3, N-terminal | |
| PF12031 | BAF250_C | SWI/SNF-like complex subunit BAF250/Osa | O14497 |
| PF12057 | BAG6 | BCL2-associated athanogene 6 | |
| PF12125 | Beta-TrCP_D | D domain of beta-TrCP | Q9Y297 |
| PF12130 | bMERB_dom | Bivalent Mical/EHBP Rab binding domain | Q8NDI1 |
| PF12141 | BMT | Beta-mannosyltransferases | |
| PF12173 | BacteriocIIc_cy | Bacteriocin class IIc cyclic gassericin A-like | Q48499 |
| PF12201 | bcl-2I13 | Bcl2-interacting killer, BH3-domain containing | |
| PF12245 | Big_3_2 | Bacterial Ig-like domain | |
| PF12259 | Baculo_F | Baculovirus F protein | |
| PF12280 | BSMAP | Brain specific membrane anchored protein | |
| PF12298 | Bot1p | Eukaryotic mitochondrial regulator protein | P53292 |
| PF12304 | BCLP | Beta-casein like protein | |
| PF12356 | BIRC6 | Baculoviral IAP repeat-containing protein 6 | Q9NR09 |
| PF12399 | BCA_ABC_TP_C | Branched-chain amino acid ATP-binding cassette transporter | A0A2X3II39 |
| PF12490 | BCAS3 | BCAS3 microtubule associated cell migration factor, C-terminal | |
| PF12496 | BNIP2 | Bcl2-/adenovirus E1B nineteen kDa-interacting protein 2 | |
| PF12498 | bZIP_C | Basic leucine-zipper C terminal | |
| PF12690 | BsuPI | Intracellular proteinase inhibitor | P39804 |
| PF12811 | BaxI_1 | Bax inhibitor 1 like | |
| PF12820 | BRCT_assoc | Serine-rich domain associated with BRCT | |
| PF13004 | BACON | Putative binding domain, N-terminal | A7LXT7 |
| PF13088 | BNR_2 | BNR repeat-like domain | B2ULI1 |
| PF13205 | Big_5 | Bacterial Ig-like domain | P49051 |
| PF13229 | Beta_helix | Right handed beta helix region | G3M191 |
| PF13337 | BrxL_ATPase | Lon-like protease BrxL-like, ATPase domain | A0A7H8SL14 |
| PF13354 | Beta-lactamase2 | Beta-lactamase enzyme family | A0A655AHQ9 |
| PF13363 | BetaGal_dom3 | Beta-galactosidase, domain 3 | A2QAN3 |
| PF13364 | BetaGal_ABD2 | Beta-galactosidase second all-beta domain | Q8PLM4 |
| PF13421 | Band_7_1 | SPFH domain-Band 7 family | |
| PF13533 | Biotin_lipoyl_2 | Biotin-lipoyl like | O51166 |
| PF13584 | BatD | BatD DUF11 like domain | |
| PF13713 | BRX_N | Transcription factor BRX N-terminal domain | |
| PF13750 | Big_3_3 | Bacterial Ig-like domain (group 3) | |
| PF13754 | Big_3_4 | Domain of unknown function | |
| PF13859 | BNR_3 | BNR repeat-like domain | A0A4S2B4D9 |
| PF13862 | BCCIP | BCCIP | Q9P287 |
| PF13882 | Bravo_FIGEY | Bravo-like intracellular region | P97685 |
| PF13991 | BssS | BssS protein family | |
| PF14215 | bHLH-MYC_N | bHLH-MYC and R2R3-MYB transcription factors N-terminal | Q9CAD0 |
| PF14274 | BT_3044-like_C | BT_3044-like, C-terminal | Q8A201 |
| PF14350 | Beta_protein | Beta protein | |
| PF14384 | BrnA_antitoxin | BrnA antitoxin of type II toxin-antitoxin system | Q7CP71 |
| PF14399 | BtrH_N | Butirosin biosynthesis protein H, N-terminal | B4XYC1 |
| PF14406 | Bacteroid_pep | Ribosomally synthesized peptide in Bacteroidetes | |
| PF14439 | Bd3614-deam | Bd3614-like deaminase | |
| PF14442 | Bd3614_N | Bd3614-like deaminase N-terminal | |
| PF14470 | bPH_3 | Bacterial PH domain | |
| PF14777 | BBIP10 | Cilia BBSome complex subunit 10 | A8MTZ0 |
| PF14779 | BBS1 | Ciliary BBSome complex subunit 1 | Q8NFJ9 |
| PF14781 | BBS2_N | Ciliary BBSome complex subunit 2, N-terminal | Q32L13 |
| PF14782 | BBS2_GAE | BBS2 GAE domain | Q32L13 |
| PF14783 | BBS2_Mid | Ciliary BBSome complex subunit 2, middle region | Q32L13 |
| PF14873 | BNR_assoc_N | N-terminal domain of BNR-repeat neuraminidase | G8UIQ1 |
| PF14957 | BORG_CEP | Cdc42 effector | |
| PF14961 | BROMI | Broad-minded protein central region | |
| PF14965 | BRI3BP | Negative regulator of p53/TP53 | |
| PF15020 | Beta-prop_CATSPERD | CATSPERD, beta-propeller domain | P0DP43 |
| PF15185 | BMF | Bcl-2-modifying factor, apoptosis | |
| PF15271 | BBP1_N | Spindle pole body component BBP1, Mps2-binding protein | |
| PF15272 | BBP1_C | Spindle pole body component BBP1, C-terminal | |
| PF15280 | BORA_N | Protein aurora borealis N-terminus | |
| PF15282 | BMP2K_C | BMP-2-inducible protein kinase C-terminus | |
| PF15285 | BH3 | Beclin-1 BH3 domain, Bcl-2-interacting | Q14457 |
| PF15318 | Bclt | Putative Bcl-2 like protein of testis | |
| PF15363 | BTBD8_C | BTB/POZ domain-containing protein 8, C-terminal | |
| PF15368 | BioT2 | Spermatogenesis family BioT2 | |
| PF15461 | BCD | Beta-carotene 15,15'-dioxygenase | |
| PF15462 | Barttin | Bartter syndrome, infantile, with sensorineural deafness (Barttin) | |
| PF15516 | BpuSI_N | BpuSI N-terminal domain | G1K3S1 |
| PF15710 | Brme1 | Break repair meiotic recombinase recruitment factor 1 | |
| PF15753 | BLOC1S3 | Biogenesis of lysosome-related organelles complex 1 subunit 3 | |
| PF15808 | BCOR | BCL-6 co-repressor, non-ankyrin-repeat region | |
| PF15892 | BNR_4 | BNR repeat-containing family member | A0A0J8GWN9 |
| PF15899 | BNR_6 | BNR-Asp box repeat | Q764N8 |
| PF15911 | Beta-prop_WDR19_2nd | WDR19 second beta-propeller | Q8NEZ3 |
| PF15915 | BAT | GAF and HTH_10 associated domain | |
| PF16017 | BTB_3 | BTB/POZ domain | |
| PF16088 | BORCS7 | BLOC-1-related complex sub-unit 7 | |
| PF16200 | Band_7_C | C-terminal region of band_7 | |
| PF16202 | BLM_N | N-terminal region of Bloom syndrome protein | |
| PF16204 | BDHCT_assoc | BDHCT-box associated domain on Bloom syndrome protein | |
| PF16380 | BT_4170-like_C | Rhamnogalacturonan lyase BT_4170-like, C-terminal | Q8A051 |
| PF16403 | Bact_surface_Ig-like | Bacterial surface protein, Ig-like domain | A0A0H2YN38 |
| PF16404 | BT_2262-like_C | BT_2262-like, C-terminal domain | Q8A5H7 |
| PF16458 | Beta-prism_lec | Beta-prism lectin | P09545 |
| PF16523 | betaPIX_CC | betaPIX coiled coil | O55043 |
| PF16547 | BLM10_N | Proteasome-substrate-size regulator, N-terminal | P43583 |
| PF16589 | BRCT_2 | BRCT domain | O60164 |
| PF16627 | BRX_assoc | Unstructured region between BRX_N and BRX domain | |
| PF16640 | Big_3_5 | Bacterial Ig-like domain (group 3) | Q6NEZ3 |
| PF16716 | BST2 | Bone marrow stromal antigen 2 | Q10589 |
| PF16746 | BAR_3 | BAR domain of APPL family | Q15027 |
| PF16755 | Beta-prop_NUP159_NUP214 | NUP159/214 beta propeller | P40477 |
| PF16917 | BPL_LplA_LipB_2 | Biotin/lipoate A/B protein ligase family | Q1GJN9 |
| PF17027 | Bromo_TP_like | Histone-fold protein | |
| PF17030 | Beta_lactamase3 | Putative beta-lactamase-like family | |
| PF17035 | BET | Bromodomain extra-terminal - transcription regulation | P35189 |
| PF17044 | BPTA | Borrelial persistence in ticks protein A | |
| PF17057 | B3R | Poxviridae B3 protein | |
| PF17105 | BRD4_CDT | C-terminal domain of bromodomain protein 4 | O60885 |
| PF17324 | BLI1 | BLOC-1 interactor 1 | |
| PF17389 | Bac_rhamnosid6H | Bacterial alpha-L-rhamnosidase 6 hairpin glycosidase domain | B5YC64 |
| PF17390 | Bac_rhamnosid_C | Bacterial alpha-L-rhamnosidase C-terminal domain | B5YC64 |
| PF17454 | Bee_toxin | Honey bee toxin | P01500 |
| PF17475 | Binary_toxB_2 | Clostridial binary toxin B/anthrax toxin PA domain 2 | A8DS70 |
| PF17476 | Binary_toxB_3 | Clostridial binary toxin B/anthrax toxin PA domain 3 | A8DS70 |
| PF17623 | B277 | Domain of unknown function | |
| PF17660 | BTRD1 | Polyglycine hydrolase-like, structural repeat | C7YS44 |
| PF17728 | BsuBI_PstI_RE_N | BsuBI/PstI restriction endonuclease HTH domain | C4P954 |
| PF17735 | BslA | Biofilm surface layer A | P39632 |
| PF17752 | BLF1 | Burkholderia lethal factor 1 | Q63UP7 |
| PF17778 | BLACT_WH | Beta-lactamase associated winged helix domain | Q53H82 |
| PF17841 | Bep_C_terminal | BID domain of Bartonella effector protein (Bep) | E6YIM5 |
| PF17936 | Big_6 | Bacterial Ig domain | Q79LN3 |
| PF17957 | Big_7 | Bacterial Ig domain | A3DCH2 |
| PF17961 | Big_8 | Bacterial Ig domain | Q2G0L5 |
| PF17962 | bMG6 | Bacterial macroglobulin domain 6 | P76578 |
| PF17963 | Big_9 | Bacterial Ig domain | A0KNW4 |
| PF17964 | Big_10 | Bacterial Ig domain | I6Y9J2 |
| PF17970 | bMG1 | Bacterial Alpha-2-macroglobulin MG1 domain | P76578 |
| PF17972 | bMG5 | Bacterial Alpha-2-macroglobulin MG5 domain | P76578 |
| PF17973 | bMG10 | Bacterial Alpha-2-macroglobulin MG10 domain | P76578 |
| PF18008 | Bac_RepA_C | Replication initiator protein A C-terminal domain | B1B3N6 |
| PF18034 | Bac_GH3_C | Bacterial Glycosyl hydrolase family 3 C-terminal domain | B1XLD2 |
| PF18035 | Bap31_Bap29_C | Bap31/Bap29 cytoplasmic coiled-coil domain | Q9UHQ4 |
| PF18040 | BPA_C | beta porphyranase A C-terminal | A0A516RTC5 |
| PF18063 | BB_PF | Beta barrel Pore-forming domain | Q1I8U1 |
| PF18110 | BRCC36_C | BRCC36 C-terminal helical domain | P46736 |
| PF18138 | bacHORMA_1 | Bacterial HORMA domain family 1 | D7Y2H3 |
| PF18173 | bacHORMA_2 | Bacterial HORMA domain 2 | P0DTF6 |
| PF18200 | Big_11 | Bacterial Ig-like domain | |
| PF18220 | BspA_v | Adhesin BspA variable domain | Q8E589 |
| PF18243 | BfiI_DBD | Metal-independent restriction enzyme BfiI DNA binding domain | Q9F4C9 |
| PF18281 | BILBO1_N | BILBO1 N-terminal domain | A0A3L6L5Q1 |
| PF18338 | BppL_N | Lower baseplate protein N-terminal domain | Q38610 |
| PF18410 | BTHB | Basic tilted helix bundle domain | Q00688 |
| PF18428 | BRCT_3 | BRCA1 C Terminus (BRCT) domain | Q12888 |
| PF18483 | Bact_lectin | Bacterial lectin | P80544 |
| PF18512 | BssB_TutG | Benzylsuccinate synthase beta subunit | O68396 |
| PF18573 | BclA_C | BclA C-terminal domain | Q81JD7 |
| PF18612 | Bac_A_amyl_C | Bacterial Alpha amylase C-terminal domain | F9USZ1 |
| PF18667 | BppU_IgG | Baseplate upper protein immunoglobulin like domain | Q9AYV5 |
| PF18820 | BD_b_sandwich | Bdellovibrio Beta-sandwich | |
| PF18826 | bVLRF1 | Bacteroidetes VLRF1 release factor | Q04311 |
| PF18835 | Beta_helix_2 | Beta helix repeat of Inulin fructotransferase | Q3SAG3 |
| PF18836 | B_solenoid_ydck | YdcK Beta solenoid repeat | A0A0H2WQ05 |
| PF18841 | B_solenoid_dext | Beta solenoid repeat from Dextranase | A0A4V8H044 |
| PF18844 | baeRF_family2 | Bacterial archaeo-eukaryotic release factor family 2 | |
| PF18845 | baeRF_family3 | Bacterial archaeo-eukaryotic release factor family 3 | |
| PF18846 | baeRF_family5 | Bacterial archaeo-eukaryotic release factor family 5 | |
| PF18848 | baeRF_family6 | Bacterial archaeo-eukaryotic release factor family 6 | |
| PF18849 | baeRF_family7 | Bacterial archaeo-eukaryotic release factor family 7 | |
| PF18851 | baeRF_family8 | Bacterial archaeo-eukaryotic release factor family 8 | |
| PF18854 | baeRF_family10 | Bacterial archaeo-eukaryotic release factor family 10 | |
| PF18855 | baeRF_family11 | Bacterial archaeo-eukaryotic release factor family 11 | |
| PF18856 | baeRF_family12 | Bacterial archaeo-eukaryotic release factor family 12 | |
| PF18889 | Beta_helix_3 | Beta helix repeat | |
| PF19052 | BRINP | BMP/retinoic acid-inducible neural-specific protein | |
| PF19077 | Big_13 | Bacterial Ig-like domain | Q8ZKG6 |
| PF19078 | Big_12 | Bacterial Ig-like domain | |
| PF19190 | BACON_2 | Viral BACON domain | Q21JW4 |
| PF19257 | BURAN | BURAN domain | |
| PF19300 | BPD_transp_1_N | Binding-prot-dependent transport system membrane comp, N-term | |
| PF19337 | BAMBI_C | BMP and activin membrane-bound inhibitor homolog C-terminus | |
| PF19341 | B3GALT2_N | Beta-1,3-galactosyltransferase 2 N-terminus | |
| PF19915 | bpX0 | MoxR-vWA-beta-propeller ternary system domain bpX0 | |
| PF19917 | bpX1 | MoxR-vWA-beta-propeller ternary system domain bpX1 | |
| PF19918 | bpX2 | MoxR-vWA-beta-propeller ternary system domain bpX2 | |
| PF19919 | bpX3 | MoxR-vWA-beta-propeller ternary system domain bpX3 | |
| PF19920 | bpX4 | MoxR-vWA-beta-propeller ternary system domain bpX4 | |
| PF19921 | bpX5 | MoxR-vWA-beta-propeller ternary system domain bpX5 | |
| PF19922 | bpX6 | MoxR-vWA-beta-propeller ternary system domain bpX6 | |
| PF20030 | bpMoxR | MoxR domain in the MoxR-vWA-beta-propeller ternary systems | J7QAN2 |
| PF20238 | BIM1-like_dom | Copper acquisition factor BIM1-like | A0A4P9I8G4 |
| PF20251 | Big_14 | Bacterial Ig-like domain | |
| PF20252 | BIG2_C | BIG2 C-terminal domain | |
| PF20400 | BAR_4 | BAR-like domain | |
| PF20413 | BLTP1_N | BLTP1-like family N-terminal region | |
| PF20434 | BD-FAE | BD-FAE | A0A6M0U600 |
| PF20442 | BrxL_N | BREX system Lon protease-like protein BrxL N-terminal | A0A7H8SL14 |
| PF20603 | Bact_hydrolase | Bacterial hydrolase | |
| PF20622 | Big_15 | Bacterial Ig domain (Big_16) | |
| PF20689 | bDLD1 | Bacterial Death-like domain 1 | |
| PF20690 | bDLD3 | Bacterial Death-like domain 3 | |
| PF20707 | bDLD2 | Bacterial Death-like domain 2 | |
| PF20794 | bPH_7 | Bacterial PH domain | |
| PF20916 | BscB_a-b | Cellulose Synthase Subunit B, alpha-beta domain | |
| PF20959 | BibA_N | BibA adhesin stalk domain | |
| PF20960 | Bag6_BAGS | Bag6, BAG-similar domain | |
| PF21018 | BipA_C | TypA/BipA C-terminal domain | |
| PF21034 | BCAS3_WD40 | BCAS3, WD40 repeat | |
| PF21053 | BFA1_C | Biogenesis factor required for ATP synthase 1, C-terminal domain | |
| PF21059 | BTBD16_C | BTB/POZ domain-containing protein 16, C-terminal domain | |
| PF21139 | BT_MCC_alpha | Methylcrotonyl-CoA carboxylase, alpha-subunit, BT domain | |
| PF21179 | BldD-like_C | DNA-binding protein BldD-like, C-terminal domain | |
| PF21188 | BRR2_plug | Pre-mRNA-splicing helicase BRR2 plug domain | |
| PF21190 | Bbp16 | Bbp16 | |
| PF21209 | Bac_rhamnosid-like_N | Alpha-rhamnosidase-like, bacteroidetes, N-terminal | |
| PF21221 | B_lactamase-like_C | Metallo-beta-lactamase-like, C-terminal domain | |
| PF21295 | Bact_transglu_N_2 | Bacterial transglutaminase, N-terminal domain | |
| PF21317 | BetaGal_ABD_1 | Beta-galactosidase, first all-beta domain | |
| PF21318 | BRCA2DBD_OB2 | BRCA2, OB2 | |
| PF21394 | Beta-ketacyl_N | Beta-ketoacyl synthase-like, N-terminal | |
| PF21467 | BetaGal_gal-bd | Beta-galactosidase, galactose-binding domain | |
| PF21469 | BH1974-like_central | BH1974-like, central domain | |
| PF21492 | bL31_N | Ribosomal protein L31p, N-terminal | |
| PF21532 | Bin2_C | Bridging integrator 2, C-terminal tail | |
| PF21536 | BTB_KLHL33 | Kelch-like protein 33-like, BTB/POZ domain | |
| PF21592 | Bc2l-C_N | Bc2l-C, N-terminal domain | |
| PF21596 | Bd2520-like_N | Lactoylglutathione lyase, putative-like, N-terminal | |
| PF21603 | Bdbt-like_TPR | Bride of doubletime-like, TPR domain | |
| PF21606 | BgaA-like_CBM | Beta-galactosidase-like, Galactose-binding domain | |
| PF21627 | BTH_I2711-like | Uncharacterized protein BTH_I2711-like | |
| PF21629 | Bleomycin_resist_prot_dom | Bleomycin resistance protein domain | |
| PF21744 | BAHCC1-like_Tudor | BAHCC1-like, Tudor domain | |
| PF21784 | Bflower | 4-fold beta flower protein | |
| PF21785 | Bflower_2 | 5-fold beta-flower protein | |
| PF21786 | Bflower_3 | 6-fold beta flower protein | |
| PF21886 | BRF2-like_C_cyclin_rpt | BRF2-like, C-terminal cyclin repeat | |
| PF21903 | BDI_0842 | Hypothetical protein BDI_0842 | |
| PF21923 | BON_like | BON-like domain | |
| PF22008 | BpuSI_TRD | Restriction endonuclease BpuSI, specificity domain | |
| PF22034 | B129_C2H2-zf | Uncharacterized protein B-129, C2H2 zinc finger | |
| PF22054 | BVU_2266-like | BVU_2266-like | |
| PF22057 | BACOVA_00961-like | BACOVA_00961-like | |
| PF22095 | BT_3535-like | BT_3535-like | |
| PF22256 | BDI_1685-like_C | BDI_1685-like, C-terminal domain | |
| PF22296 | bAvd | bAvd-like | |
| PF22299 | BRISC_FAM175B_helical | BRISC complex subunit FAM175B, helical domain | |
| PF22359 | Big-like | Bacterial Ig-like domain | |
| PF22372 | BA_2335-like | BA_2335-like | |
| PF22452 | BF9343_1606-like_C | BF9343_1606-like, C-terminal | |
| PF22576 | Bfc | Transcriptional cofactor Bfc | |
| PF22632 | BphC_D1 | Dihydroxybiphenyl dioxygenase BphC D1 | |
| PF22644 | BsNagA_N | BsNagA composite domain | |
| PF22677 | Ble-like_N | Bleomycin resistance protein-like N-terminal | |
| PF22687 | BRCA2_TR2 | BRCA2 TR2 domain | |
| PF22754 | bHLH-TF_ACT-like_plant | Plant bHLH transcription factor, ACT-like domain | |
| PF22783 | BapA_N | BapA, prefix-like domain | |
| PF22844 | Beta-prop_CATSPERE | CATSPERE beta-propeller domain | |
| PF22847 | BT_3657-like_N | Arabinosidase BT_3657-like, N-terminal | |
| PF23098 | Beta-prop_NOL10_N | Nucleolar protein 10-like, N-terminal domain | |
| PF23170 | bHLH_PER | Period circadian protein homolog bHLH-like domain | |
| PF23171 | bHLH_HIF1A | Hypoxia-inducible factor 1-alpha bHLH domain | |
| PF23172 | bHLH_NCOA | Nuclear receptor coactivators bHLH domain | |
| PF23173 | bHLH_SAC51 | Transcription factor SAC51 bHLH domain | |
| PF23174 | bHLH_ILI | ILI bHLH domain | |
| PF23175 | bHLH_STRA8 | Stimulated by retinoic acid gene 8 protein bHLH domain | |
| PF23176 | bHLH_LHW | Transcription factor LHW bHLH domain | |
| PF23177 | bHLH_IRO3 | Iron-related transcription factor 3 bHLH domain | |
| PF23179 | bHLH_INO2 | INO2 bHLH domain | |
| PF23181 | bHLH_INO4 | INO4 bHLH domain | |
| PF23183 | bHLH_NPAS4 | NPAS4 bHLH domain | |
| PF23294 | BRCT_TopB1_SLF1 | TopBP1/SLF1, BRCT domain | |
| PF23335 | Beta-prop_IFT80_2nd | IFT80 second beta-propeller | |
| PF23349 | BBS7_hp | BBS7 hairpin | |
| PF23350 | BBS2_pf | BBS2 platform domain | |
| PF23351 | BBS2_CtH | BBS2 C-terminal helix bundle | |
| PF23353 | BBS2_hp | BBS2 hairpin | |
| PF23360 | BBS7_GAE | BBS7 GAE domain | |
| PF23361 | BBS7_pf | BBS7 platform domain | |
| PF23366 | Beta-prop_HVO_0234 | HVO_0234-like, beta propeller | |
| PF23372 | BBS7_CtH | BBS7 C-terminal helix | |
| PF23377 | Beta-prop_IFT122_2nd | IFT122 second beta-propeller | |
| PF23381 | Beta-prop_IFT122_1st | IFT122 first beta-propeller | |
| PF23383 | Beta-prop_IFT140_1st | IFT140 first beta-propeller | |
| PF23385 | Beta-prop_IFT140_2nd | IFT140 second beta-propeller | |
| PF23389 | Beta-prop_WDR19_1st | WDR19 first beta-propeller | |
| PF23390 | Beta-prop_WDR35_2nd | WDR35 second beta-propeller | |
| PF23393 | Beta-prop_WDR90_POC16_2nd | WDR90/POC16, second beta-propeller | |
| PF23409 | Beta-prop_EML | Echinoderm microtubule-associated protein first beta-propeller | |
| PF23410 | Beta-prop_VPS8 | Vps8 beta-propeller | |
| PF23411 | Beta-prop_Vps41 | Vps42 beta-propeller | |
| PF23414 | Beta-prop_EML_2 | Echinoderm microtubule-associated protein second beta-propeller | |
| PF23431 | BROMI_N | Broad-minded protein N-terminal domain | |
| PF23440 | BROMI_C | Broad-minded protein Rab TBC domain | |
| PF23491 | bPH_8 | SunI-like bacterial PH domain | |
| PF23492 | bPH_9 | Bacterial PH domain | |
| PF23494 | bPH_10 | YqeB-like bacterial PH domain | |
| PF23586 | Beta-prop_NWD2_C | NWD2 C-terminal beta-propeller | |
| PF23609 | Beta-prop_EIPR1 | EIPR1 beta-propeller | |
| PF23621 | BP74_N | BP74 N-terminal domain | |
| PF23635 | Beta-prop_AT5G49610-like | F-box protein AT5G49610-like, beta-propeller | |
| PF23722 | Beta-sand_DEX1 | DEX1 beta-sandwich | |
| PF23726 | Beta-prop_RSE1_2nd | RSE1/DDB1/CPSF1 second beta-propeller | |
| PF23727 | Beta-prop_FAM234A_B | FAM234A/B beta-propeller | |
| PF23743 | Beta-prop_BBS7 | BBS7 beta-propeller | |
| PF23748 | Beta-prop_LRRK2 | LRRK2 beta propeller | |
| PF23751 | Beta-prop_WDR11_1st | WDR11 first beta-propeller | |
| PF23752 | Beta-prop_WDR11_2nd | WDR11 second beta-propeller | |
| PF23754 | Beta-prop_IP5PC_F | IP5P C-F beta-propeller | |
| PF23756 | Beta-prop_HPS5 | HPS5 beta propeller | |
| PF23760 | Beta-prop_DCAF12 | DDB1- and CUL4-associated factor 12 beta propeller | |
| PF23761 | Beta-prop_DCAF4 | DDB1- and CUL4-associated factor 4 beta-propeller | |
| PF23763 | Beta-barrel_GLAA-B_I | GLAA-B beta-barrel domain I | |
| PF23764 | Beta-barrel_GLAA-B_II | GLAA-B beta-barrel domain II | |
| PF23769 | Beta-prop_WDR75_2nd | WD repeat-containing protein 75 second beta-propeller | |
| PF23770 | Beta-prop_RIG_1st | RIG first beta-propeller | |
| PF23775 | Beta-prop_RIG_2nd | RIG second beta-propeller | |
| PF23797 | Beta-prop_ELP1_2nd | ELP1 N-terminal second beta-propeller | |
| PF23798 | Beta-prop_SPT8 | SPT8 beta propeller | |
| PF23869 | Beta-prop_WDR75_1st | WD repeat-containing protein 75 first beta-propeller | |
| PF23998 | BTB_BTBDG | BTBDG BTB/POZ domain | |
| PF24017 | Beta-prop_SCAP | SCAP Beta-propeller | |
| PF24067 | Beta-prop_BT_1020 | BT_1020-like, N-terminal beta propeller | |
| PF24078 | Beta-sol_PIC_HAP1_IgA0_2nd | PIC/HAP1/IgA0 second beta-solenoid repeat region | |
| PF24105 | Beta-prop_CAF1B_HIR1 | CAF1B/HIR1 beta-propeller domain | |
| PF24106 | Beta-prop_EDC4L | EDC4-like protein pdc1 beta-propeller | |
| PF24142 | Beta-sand_ComC_1st | EGF-like domain-containing protein ComC first beta-sandwich | |
| PF24143 | Beta-sand_ComC_2nd | EGF-like domain-containing protein ComC second beta-sandwich | |
| PF24208 | Beta-tre_PLH30 | Endo-acting ulvan lyase beta-trefoil domain | |
| PF24570 | BACK_BPM_SPOP | BPM/SPOP, BACK domain | |
| PF24604 | B-barrel_PelB_C | PelB, C-terminal beta barrel domain | |
| PF24673 | Blr_divisome | Divisome-associated membrane protein Blr family | |
| PF24750 | b-prop_At3g26010-like | F-box protein At3g26010-like, beta-propeller | |
| PF24797 | Beta-prop_WDR35_TULP_N | WDR35/TULP4 N-terminal | |