| PF00052 | Laminin_B | Laminin B (Domain IV) | P24043 |
| PF00054 | Laminin_G_1 | Laminin G domain | O15230 |
| PF00055 | Laminin_N | Laminin N-terminal (Domain VI) | P34710 |
| PF00056 | Ldh_1_N | lactate/malate dehydrogenase, NAD binding domain | P00339 |
| PF00057 | Ldl_recept_a | Low-density lipoprotein receptor domain class A | P98073 |
| PF00058 | Ldl_recept_b | Low-density lipoprotein receptor repeat class B | O75581 |
| PF00059 | Lectin_C | Lectin C-type domain | P13727 |
| PF00060 | Lig_chan | Ligand-gated ion channel | Q14957 |
| PF00061 | Lipocalin | Lipocalin / cytosolic fatty-acid binding protein family | P50120 |
| PF00062 | Lys | C-type lysozyme/alpha-lactalbumin family | P00698 |
| PF00139 | Lectin_legB | Legume lectin domain | P02866 |
| PF00151 | Lipase | Lipase | P11151 |
| PF00206 | Lyase_1 | Lyase | A0PKR5 |
| PF00221 | Lyase_aromatic | Aromatic amino acid lyase | Q9HLI6 |
| PF00305 | Lipoxygenase | Lipoxygenase | P09917 |
| PF00356 | LacI | Bacterial regulatory proteins, lacI family | B8I1W6 |
| PF00412 | LIM | LIM domain | P49023 |
| PF00477 | LEA_5 | Small hydrophilic plant seed protein | |
| PF00538 | Linker_histone | linker histone H1 and H5 family | P10412 |
| PF00549 | Ligase_CoA | CoA-ligase | Q96I99 |
| PF00556 | LHC | Antenna complex alpha/beta subunit | P02948 |
| PF00560 | LRR_1 | Leucine Rich Repeat | Q99MB1 |
| PF00657 | Lipase_GDSL | GDSL-like Lipase/Acylhydrolase | Q9HUP2 |
| PF00677 | Lum_binding | Lumazine binding domain | P21578 |
| PF00753 | Lactamase_B | Metallo-beta-lactamase superfamily | Q9I2T1 |
| PF00820 | Lipoprotein_1 | Borrelia lipoprotein | P0CL66 |
| PF00921 | Lipoprotein_2 | Borrelia lipoprotein | O06878 |
| PF00932 | LTD | Lamin Tail Domain | P02545 |
| PF00938 | Lipoprotein_3 | Lipoprotein | |
| PF00961 | LAGLIDADG_1 | LAGLIDADG endonuclease | P05725 |
| PF01186 | Lysyl_oxidase | Lysyl oxidase | Q9Y4K0 |
| PF01273 | LBP_BPI_CETP | LBP / BPI / CETP family, N-terminal domain | P79125 |
| PF01291 | LIF_OSM | LIF / OSM family | P15018 |
| PF01299 | Lamp2-like_luminal | Lysosome-associated membrane glycoprotein 2-like, luminal domains | P11438 |
| PF01306 | LacY_symp | LacY proton/sugar symporter | P02920 |
| PF01423 | LSM | LSM domain | P62314 |
| PF01441 | Lipoprotein_6 | Lipoprotein | H6VGK2 |
| PF01451 | LMWPc | Low molecular weight phosphotyrosine protein phosphatase | P24666 |
| PF01462 | LRRNT | Leucine rich repeat N-terminal domain | Q14392 |
| PF01463 | LRRCT | Leucine rich repeat C-terminal domain | Q8BLU0 |
| PF01476 | LysM | LysM domain | P0ADE6 |
| PF01540 | Lipoprotein_7 | Adhesin lipoprotein | |
| PF01674 | Lipase_2 | Lipase (class 2) | A3TMR7 |
| PF01726 | LexA_DNA_bind | LexA DNA binding domain | C3SHL2 |
| PF01764 | Lipase_3 | Lipase (class 3) | Q4F883 |
| PF01790 | LGT | Prolipoprotein diacylglyceryl transferase | P60955 |
| PF01803 | LIM_bind | LIM-domain binding protein | Q86U70 |
| PF01810 | LysE | LysE type translocator | |
| PF01816 | LRV | Leucine rich repeat variant | Q44534 |
| PF02024 | Leptin | Leptin | P41159 |
| PF02030 | Lipoprotein_8 | Hypothetical lipoprotein (MG045 family) | |
| PF02061 | Lambda_CIII | Lambda Phage CIII | |
| PF02169 | LPP20 | LPP20 lipoprotein | P0A0V1 |
| PF02190 | LON_substr_bdg | ATP-dependent protease La (LON) substrate-binding domain | Q96SW2 |
| PF02210 | Laminin_G_2 | Laminin G domain | Q6UVK1 |
| PF02264 | LamB | LamB porin | P26466 |
| PF02278 | Lyase_8 | Polysaccharide lyase family 8, super-sandwich domain | P59807 |
| PF02354 | Latrophilin | Latrophilin Cytoplasmic C-terminal region | Q80TS3 |
| PF02401 | LYTB | LytB protein | Q8I295 |
| PF02402 | Lysis_col | Lysis protein | |
| PF02448 | L71 | L71 family | |
| PF02450 | LCAT | Lecithin:cholesterol acyltransferase | Q5ZWH7 |
| PF02502 | LacAB_rpiB | Ribose/Galactose Isomerase | P47636 |
| PF02589 | LUD_dom | LUD domain | Q9RT57 |
| PF02606 | LpxK | Tetraacyldisaccharide-1-P 4'-kinase | O67572 |
| PF02615 | Ldh_2 | Malate/L-lactate dehydrogenase | P77555 |
| PF02652 | Lactate_perm | L-lactate permease | |
| PF02664 | LuxS | S-Ribosylhomocysteinase (LuxS) | Q8Z4D7 |
| PF02684 | LpxB | Lipid-A-disaccharide synthetase | Q22E24 |
| PF02828 | L27 | L27 domain | O88951 |
| PF02834 | LigT_PEase | LigT like Phosphoesterase | A0A140NFI1 |
| PF02866 | Ldh_1_C | lactate/malate dehydrogenase, alpha/beta C-terminal domain | P00339 |
| PF02884 | Lyase_8_C | Polysaccharide lyase family 8, C-terminal beta-sandwich domain | A0A493R6T1 |
| PF02886 | LBP_BPI_CETP_C | LBP / BPI / CETP family, C-terminal domain | Q61805 |
| PF02900 | LigB | Catalytic LigB subunit of aromatic ring-opening dioxygenase | A0A136PV43 |
| PF02987 | LEA_4 | Late embryogenesis abundant protein | |
| PF03020 | LEM | LEM domain | P50402 |
| PF03067 | LPMO_10 | Lytic polysaccharide mono-oxygenase, cellulose-degrading | Q9I589 |
| PF03161 | LAGLIDADG_2 | LAGLIDADG DNA endonuclease family | Q34807 |
| PF03168 | LEA_2 | Late embryogenesis abundant protein | O29803 |
| PF03180 | Lipoprotein_9 | NlpA lipoprotein | Q7DD63 |
| PF03194 | LUC7 | LUC7 N_terminus | Q07508 |
| PF03195 | LOB | Lateral organ boundaries (LOB) domain | D9MPF3 |
| PF03202 | Lipoprotein_10 | Putative mycoplasma lipoprotein, C-terminal region | |
| PF03242 | LEA_3a | Late embryogenesis abundant protein (LEA_3a subfamily) | |
| PF03260 | Lipoprotein_11 | Lepidopteran low molecular weight (30 kD) lipoprotein | H9B445 |
| PF03279 | Lip_A_acyltrans | Bacterial lipid A biosynthesis acyltransferase | A0QWG5 |
| PF03280 | Lipase_chap | Proteobacterial lipase chaperone protein | Q05490 |
| PF03305 | Lipoprotein_X | Mycoplasma MG185/MG260 protein | |
| PF03331 | LpxC | UDP-3-O-acyl N-acetylglycosamine deacetylase | P47205 |
| PF03353 | Lin-8 | Ras-mediated vulval-induction antagonist | |
| PF03388 | Lectin_leg-like | Legume-like lectin family | N9T8S1 |
| PF03466 | LysR_substrate | LysR substrate binding domain | P36771 |
| PF03548 | LolA | Outer membrane lipoprotein carrier protein LolA | P61316 |
| PF03550 | LolB | Outer membrane lipoprotein LolB | P61320 |
| PF03583 | LIP | Secretory lipase | Q5H5J0 |
| PF03588 | Leu_Phe_trans | Leucyl/phenylalanyl-tRNA protein transferase | P0A8P1 |
| PF03640 | Lipoprotein_15 | Secreted repeat of unknown function | |
| PF03641 | Lysine_decarbox | Possible lysine decarboxylase | O05306 |
| PF03706 | LPG_synthase_TM | Lysylphosphatidylglycerol synthase TM region | |
| PF03739 | LptF_LptG | Lipopolysaccharide export system permease LptF/LptG | A0A1Y0Q3C0 |
| PF03746 | LamB_YcsF | LamB/YcsF family | Q9HVR0 |
| PF03760 | LEA_1 | Late embryogenesis abundant (LEA) group 1 | |
| PF03788 | LrgA | LrgA family | |
| PF03815 | LCCL | LCCL domain | O43405 |
| PF03816 | LytR_cpsA_psr | LytR_cpsA_psr family | Q02115 |
| PF03893 | Lipase3_N | Lipase 3 N-terminal region | O59952 |
| PF03923 | Lipoprotein_16 | Uncharacterized lipoprotein | |
| PF03954 | Lectin_N | Hepatic lectin, N-terminal domain | |
| PF03956 | Lys_export | Lysine exporter LysO | |
| PF03968 | LptD_N | LptA/(LptD N-terminal domain) LPS transport protein | P0ADV1 |
| PF04004 | Leo1 | Leo1-like protein | C4R3K1 |
| PF04011 | LemA | LemA family | Q9X056 |
| PF04031 | Las1 | Las1-like | G0SGE9 |
| PF04072 | LCM | Leucine carboxyl methyltransferase | P9WFI5 |
| PF04172 | LrgB | LrgB-like family | |
| PF04180 | LTV | Low temperature viability protein | Q96GA3 |
| PF04200 | Lipoprotein_17 | Lipoprotein associated domain | Q9PRA0 |
| PF04225 | LysM_OapA | Opacity-associated protein A LysM-like domain | Q9KN86 |
| PF04348 | LppC | LppC putative lipoprotein | P45464 |
| PF04369 | Lactococcin | Lactococcin-like family | P0A312 |
| PF04390 | LptE | Lipopolysaccharide-assembly | A0A1E7P3T3 |
| PF04397 | LytTR | LytTr DNA-binding domain | Q5HEG2 |
| PF04443 | LuxE | Acyl-protein synthetase, LuxE | A8R7D1 |
| PF04453 | LptD | LPS transport system D | Q5F651 |
| PF04454 | Linocin_M18 | Encapsulating protein for peroxidase | Q1D6H4 |
| PF04525 | LOR | LURP-one-related | Q9LZX1 |
| PF04571 | Lipin_N | lipin, N-terminal conserved region | I7MFJ3 |
| PF04604 | L_biotic_typeA | Type-A lantibiotic | Q9KWM4 |
| PF04613 | LpxD | UDP-3-O-[3-hydroxymyristoyl] glucosamine N-acyltransferase, LpxD | Q9HXY6 |
| PF04728 | LPP | Lipoprotein leucine-zipper | P69776 |
| PF04738 | Lant_dehydr_N | Lantibiotic dehydratase, N terminus | P20103 |
| PF04740 | LXG | LXG domain of WXG superfamily | |
| PF04778 | LMP | LMP repeated region | |
| PF04791 | LMBR1 | LMBR1-like membrane protein | |
| PF04792 | LcrV | V antigen (LcrV) protein | M4Q7H6 |
| PF04970 | LRAT | Lecithin retinol acyltransferase | Q9UL19 |
| PF04991 | LicD | LicD family | Q9H9S5 |
| PF05047 | L51_S25_CI-B8 | Mitochondrial ribosomal protein L51 / S25 / CI-B8 domain | A0A1S3TVC7 |
| PF05083 | LST1 | LST-1 protein | |
| PF05094 | LEF-9 | Late expression factor 9 (LEF-9) | |
| PF05147 | LANC_like | Lanthionine synthetase C-like protein | O43813 |
| PF05150 | Legionella_OMP | Legionella pneumophila major outer membrane protein precursor | |
| PF05295 | Luciferase_N | Luciferase/LBP N-terminal domain | |
| PF05362 | Lon_C | Lon protease (S16) C-terminal proteolytic domain | A0A7H8SL14 |
| PF05383 | La | La domain | W7X6T2 |
| PF05391 | Lsm_interact | Lsm interaction motif | P49960 |
| PF05484 | LRV_FeS | LRV protein FeS4 cluster | Q44534 |
| PF05609 | LAP1_C | Lamina-associated polypeptide 1, AAA+ activator domain | Q8NFQ8 |
| PF05612 | Leg1 | Leg1 | F6UME2 |
| PF05624 | LSR | Lipolysis stimulated receptor (LSR) | |
| PF05805 | L6_membrane | L6 membrane protein | |
| PF05834 | Lycopene_cycl | Lycopene cyclase protein | |
| PF05849 | L-fibroin | Fibroin light chain (L-fibroin) | |
| PF05893 | LuxC | Acyl-CoA reductase (LuxC) | P19841 |
| PF06008 | Laminin_I | Laminin Domain I | |
| PF06009 | Laminin_II | Laminin Domain II | O15230 |
| PF06049 | LSPR | Coagulation Factor V LSPD Repeat | |
| PF06230 | LpxI_C | LpxI C-terminal domain | A0A0H3C8Q1 |
| PF06291 | Lambda_Bor | Bor protein | |
| PF06301 | Lambda_Kil | Bacteriophage lambda Kil protein | |
| PF06305 | LapA_dom | Lipopolysaccharide assembly protein A domain | |
| PF06328 | Lep_receptor_Ig | Ig-like C2-type domain | Q00560 |
| PF06403 | Lamprin | Lamprin | |
| PF06421 | LepA_C | GTP-binding protein LepA C-terminus | Q5SKA7 |
| PF06430 | L_lactis_RepB_C | Lactococcus lactis RepB C-terminus | |
| PF06453 | LT-IIB | Type II heat-labile enterotoxin , B subunit (LT-IIB) | H6W8F2 |
| PF06474 | LPAM_MltD | MltD lipid attachment motif | |
| PF06488 | L_lac_phage_MSP | Phage tail tube protein | |
| PF06543 | Lac_bphage_repr | Lactococcus bacteriophage repressor | |
| PF06579 | Ly-6_related | Caenorhabditis elegans ly-6-related protein | |
| PF06673 | L_lactis_ph-MCP | Lactococcus lactis bacteriophage major capsid protein | |
| PF06741 | LsmAD | LsmAD domain | |
| PF06762 | LMF1 | Lipase maturation factor | |
| PF06772 | LtrA | Bacterial low temperature requirement A protein (LtrA) | |
| PF06804 | Lipoprotein_18 | NlpB/DapX lipoprotein | P0A903 |
| PF06805 | Lambda_tail_I | Bacteriophage lambda tail assembly protein I | |
| PF06835 | LptC | Lipopolysaccharide-assembly, LptC-related | P0ADW2 |
| PF06907 | LXN | Latexin | Q9BS40 |
| PF07007 | LprI | Lysozyme inhibitor LprI | Q2T081 |
| PF07161 | LppX_LprAFG | LppX_LprAFG lipoprotein | P9WK45 |
| PF07207 | Lir1 | Light regulated protein Lir1 | |
| PF07216 | LcrG | LcrG protein | |
| PF07359 | LEAP-2 | Liver-expressed antimicrobial peptide 2 precursor (LEAP-2) | Q969E1 |
| PF07385 | Lyx_isomer | D-lyxose isomerase | Q8X5Q7 |
| PF07553 | Lipoprotein_Ltp | Host cell surface-exposed lipoprotein | O48388 |
| PF07578 | LAB_N | Lipid A Biosynthesis N-terminal domain | |
| PF07603 | Lcl_C | Lcl C-terminal domain | |
| PF07723 | LRR_2 | Leucine Rich Repeat | |
| PF07725 | LRR_3 | Leucine Rich Repeat | Q9ZSN5 |
| PF07746 | LigA | Aromatic-ring-opening dioxygenase LigAB, LigA subunit | Q8EGW2 |
| PF07766 | LETM1_RBD | LETM1-like, RBD | Q08179 |
| PF07813 | LTXXQ | LTXXQ motif family protein | P77754 |
| PF07858 | LEH | Limonene-1,2-epoxide hydrolase catalytic domain | Q9ZAG3 |
| PF07968 | Leukocidin | Leukocidin/Hemolysin toxin family | P09545 |
| PF07988 | LMSTEN | LMSTEN motif | P06876 |
| PF08054 | Leu_leader | Leucine operon leader peptide | |
| PF08124 | Lyase_8_N | Polysaccharide lyase family 8, N terminal alpha-helical domain | A0A5Q5AD67 |
| PF08139 | LPAM_1 | Prokaryotic membrane lipoprotein lipid attachment site | P00807 |
| PF08191 | LRR_adjacent | LRR adjacent | P0DQD2 |
| PF08212 | Lipocalin_2 | Lipocalin-like domain | A0A1D5B367 |
| PF08235 | LNS2 | LNS2 (Lipin/Ned1/Smp2) | I7MFJ3 |
| PF08252 | Leader_CPA1 | arg-2/CPA1 leader peptide | P22702 |
| PF08253 | Leader_Erm | Erm Leader peptide | P03063 |
| PF08254 | Leader_Thr | Threonine leader peptide | |
| PF08255 | Leader_Trp | Trp-operon Leader Peptide | |
| PF08263 | LRRNT_2 | Leucine rich repeat N-terminal domain | A0A2I8B6R1 |
| PF08309 | LVIVD | LVIVD repeat | |
| PF08310 | LGFP | LGFP repeat | P0C1D6 |
| PF08366 | LLGL | LLGL2 | Q6P1M3 |
| PF08391 | Ly49 | Ly49-like protein, N-terminal region | Q60682 |
| PF08502 | LeuA_dimer | LeuA allosteric (dimerisation) domain | P9WQB3 |
| PF08513 | LisH | LisH | P43034 |
| PF08557 | Lipid_DES | Sphingolipid Delta4-desaturase (DES) | |
| PF08596 | Lgl_C | Lethal giant larvae(Lgl) like, C-terminal | Q12038 |
| PF09043 | Lys-AminoMut_A | D-Lysine 5,6-aminomutase TIM-barrel domain of alpha subunit | E3PY95 |
| PF09045 | L27_2 | L27_2 | F1MAD2 |
| PF09058 | L27_1 | L27_1 | P31007 |
| PF09060 | L27_N | L27_N | Q8N3R9 |
| PF09092 | Lyase_N | Lyase, N terminal | P59807 |
| PF09093 | Lyase_catalyt | Lyase, catalytic | P59807 |
| PF09127 | Leuk-A4-hydro_C | Leukotriene A4 hydrolase, C-terminal | P09960 |
| PF09220 | LA-virus_coat | L-A virus, major coat protein | Q87026 |
| PF09271 | LAG1-DNAbind | LAG1, DNA binding | P31266 |
| PF09308 | LuxQ-periplasm | LuxQ, periplasmic | Q9KLK7 |
| PF09330 | Lact-deh-memb | D-lactate dehydrogenase, membrane binding | P06149 |
| PF09465 | LBR_tudor | Lamin-B receptor of TUDOR domain | P23913 |
| PF09508 | Lact_bio_phlase | Lacto-N-biose phosphorylase N-terminal TIM barrel domain | E8MF13 |
| PF09585 | Lin0512_fam | Conserved hypothetical protein (Lin0512_fam) | |
| PF09621 | LcrR | Type III secretion system regulator (LcrR) | |
| PF09683 | Lactococcin_972 | Bacteriocin (Lactococcin_972) | O86283 |
| PF09738 | LRRFIP | LRRFIP family | |
| PF09784 | L31 | Mitochondrial ribosomal protein L31 | A0A0B0EF55 |
| PF09798 | LCD1 | DNA damage checkpoint protein | Q04377 |
| PF09861 | Lar_N | Lactate racemase N-terminal domain | F9USS9 |
| PF09922 | LiaF-like_C | Cell wall-active antibiotics response LiaF, C-terminal | J7TBR0 |
| PF09924 | LPG_synthase_C | Phosphatidylglycerol lysyltransferase, C-terminal | Q2K4J4 |
| PF09982 | LpxR | Outer membrane protein LpxR | Q8ZPT3 |
| PF10044 | LIN52 | Retinal tissue protein | Q52LA3 |
| PF10158 | LOH1CR12 | Tumour suppressor protein | |
| PF10169 | LLPH | LLP homolog | Q9BRT6 |
| PF10230 | LIDHydrolase | Lipid-droplet associated hydrolase | |
| PF10242 | L_HMGIC_fpl | Lipoma HMGIC fusion partner-like protein | Q4KL25 |
| PF10282 | Lactonase | Lactonase, 7-bladed beta-propeller | A6T6J6 |
| PF10422 | LRS4 | Monopolin complex subunit LRS4 | Q04087 |
| PF10437 | Lip_prot_lig_C | Bacterial lipoate protein ligase C-terminus | Q4AA29 |
| PF10520 | Lipid_desat | Lipid desaturase domain | |
| PF10613 | Lig_chan-Glu_bd | Ligated ion channel L-glutamate- and glycine-binding site | Q14957 |
| PF10714 | LEA_6 | Late embryogenesis abundant protein 18 | |
| PF10738 | Lpp-LpqN | Probable lipoprotein LpqN | O53780 |
| PF11209 | LmeA | LmeA-like phospholipid-binding | |
| PF11467 | LEDGF | Lens epithelium-derived growth factor (LEDGF) | O75475 |
| PF11488 | Lge1 | Transcriptional regulatory protein LGE1 | Q8NEY8 |
| PF11560 | LAP2alpha | Lamina-associated polypeptide 2 alpha | Q61033 |
| PF11632 | LcnG-beta | Lactococcin G-beta | P36962 |
| PF11774 | Lsr2 | Lsr2 dimerization domain | P9WIP7 |
| PF11870 | LutB_C | Lactate utilisation protein B, C-terminal | |
| PF12103 | Lipl32 | Surface lipoprotein of Spirochaetales order | Q72SM7 |
| PF12197 | lci | LCI fold | P82243 |
| PF12211 | LMWSLP_N | Low molecular weight S layer protein N terminal | Q183M8 |
| PF12262 | Lipase_bact_N | Bacterial virulence factor lipase N-terminal | |
| PF12468 | LRR_TTSS | Type III secretion system leucine rich repeat protein | Q7BEH4 |
| PF12544 | LAM_C | Lysine-2,3-aminomutase | Q9XBQ8 |
| PF12603 | L_PA-C-like | RNA-directed RNA polymerase L, PA-C-like domain | U3GU88 |
| PF12617 | LdpA_C | Iron-Sulfur binding protein C terminal | |
| PF12701 | LSM14 | Scd6-like Sm domain | Q8ND56 |
| PF12702 | Lipocalin_3 | Lipocalin-like | Q8A9E6 |
| PF12706 | Lactamase_B_2 | Beta-lactamase superfamily domain | P9WGZ9 |
| PF12799 | LRR_4 | Leucine Rich repeats (2 copies) | P0DQD2 |
| PF12888 | Lipid_bd | Lipid-binding putative hydrolase | Q8A5H8 |
| PF12893 | Lumazine_bd_2 | Putative lumazine-binding | Q5LUH0 |
| PF13002 | LDB19 | Arrestin_N terminal like | |
| PF13007 | LZ_Tnp_IS66 | Transposase C of IS166 homeodomain | |
| PF13011 | LZ_Tnp_IS481 | leucine-zipper of insertion element IS481 | |
| PF13036 | LpoB | Peptidoglycan-synthase activator LpoB | B2T2U6 |
| PF13298 | LigD_N | DNA polymerase Ligase (LigD) | D1Z0H7 |
| PF13306 | LRR_5 | BspA type Leucine rich repeat region (6 copies) | P16473 |
| PF13385 | Laminin_G_3 | Concanavalin A-like lectin/glucanases superfamily | Q13219 |
| PF13399 | LytR_C | LytR cell envelope-related transcriptional attenuator | B2HM00 |
| PF13434 | Lys_Orn_oxgnase | L-lysine 6-monooxygenase/L-ornithine 5-monooxygenase | A0A1E3MAZ6 |
| PF13472 | Lipase_GDSL_2 | GDSL-like Lipase/Acylhydrolase family | A0A1S6L1H1 |
| PF13483 | Lactamase_B_3 | Beta-lactamase superfamily domain | Q2FXM0 |
| PF13516 | LRR_6 | Leucine Rich repeat | Q96P20 |
| PF13617 | Lipoprotein_19 | YnbE-like lipoprotein | |
| PF13627 | LPAM_2 | Prokaryotic lipoprotein-attachment site | |
| PF13648 | Lipocalin_4 | Lipocalin-like domain | A7V6A1 |
| PF13691 | Lactamase_B_4 | tRNase Z endonuclease | P36159 |
| PF13702 | Lysozyme_like | Lysozyme-like | Q18DB2 |
| PF13774 | Longin | Regulated-SNARE-like domain | O15498 |
| PF13855 | LRR_8 | Leucine rich repeat | Q80WG5 |
| PF13924 | Lipocalin_5 | Lipocalin-like domain | |
| PF13940 | Ldr_toxin | Toxin Ldr, type I toxin-antitoxin system | Q6BF25 |
| PF13942 | Lipoprotein_20 | YfhG lipoprotein | |
| PF14028 | Lant_dehydr_C | Lantibiotic biosynthesis dehydratase C-term | U5Q3T2 |
| PF14041 | Lipoprotein_21 | LppP/LprE lipoprotein | |
| PF14067 | LssY_C | LssY C-terminus | |
| PF14297 | Lin1244_N | Lin1244/Lin1753-like, N-terminal | |
| PF14354 | Lar_restr_allev | Restriction alleviation protein Lar | |
| PF14368 | LTP_2 | Probable lipid transfer | P85204 |
| PF14389 | Lzipper-MIP1 | Leucine-zipper of ternary complex factor MIP1 | |
| PF14411 | LHH | A nuclease of the HNH/ENDO VII superfamily with conserved LHH | |
| PF14421 | LmjF365940-deam | LmjF365940 subfamily CDD/CDA-like deaminase | |
| PF14527 | LAGLIDADG_WhiA | WhiA LAGLIDADG-like domain | A0A5P1ZKC3 |
| PF14528 | LAGLIDADG_3 | LAGLIDADG-like domain | H3ZKG9 |
| PF14580 | LRR_9 | Leucine-rich repeat | P09661 |
| PF14597 | Lactamase_B_5 | Metallo-beta-lactamase superfamily | Q3M8K9 |
| PF14606 | Lipase_GDSL_3 | GDSL-like Lipase/Acylhydrolase family | A7LSX5 |
| PF14625 | Lustrin_cystein | Lustrin, cysteine-rich repeated domain | |
| PF14651 | Lipocalin_7 | Lipocalin / cytosolic fatty-acid binding protein family | P07148 |
| PF14672 | LCE | Late cornified envelope | |
| PF14694 | LINES_N | Lines N-terminus | |
| PF14695 | LINES_C | Lines C-terminus | |
| PF14795 | Leucyl-specific | Leucine-tRNA synthetase-specific domain | Q7SIE4 |
| PF14854 | LURAP | Leucine rich adaptor protein | |
| PF14867 | Lantibiotic_a | Lantibiotic alpha | P86475 |
| PF14894 | Lsm_C | Lsm C-terminal | Q8ZVU2 |
| PF14914 | LRRC37AB_C | LRRC37A/B like protein 1 C-terminal domain | |
| PF14945 | LLC1 | Normal lung function maintenance, Low in Lung Cancer 1 protein | |
| PF14954 | LIX1 | Limb expression 1 | |
| PF15042 | LELP1 | Late cornified envelope-like proline-rich protein 1 | |
| PF15176 | LRR19-TM | Leucine-rich repeat family 19 TM domain | |
| PF15221 | LEP503 | Lens epithelial cell protein LEP503 | |
| PF15234 | LAT | Linker for activation of T-cells | |
| PF15294 | Leu_zip | Leucine zipper | |
| PF15306 | LIN37 | LIN37 | Q96GY3 |
| PF15317 | Lbh | Cardiac transcription factor regulator, Developmental protein | |
| PF15332 | LIME1 | Lck-interacting transmembrane adapter 1 | |
| PF15419 | LNP1 | Leukemia NUP98 fusion partner 1 | |
| PF15454 | LAMTOR | Late endosomal/lysosomal adaptor and MAPK and MTOR activator | Q6IAA8 |
| PF15478 | LKAAEAR | Family of unknown function with LKAAEAR motif | |
| PF15518 | L_protein_N | L protein N-terminus | U3GU88 |
| PF15619 | Lebercilin | Ciliary protein causing Leber congenital amaurosis disease | |
| PF15658 | Latrotoxin_C | Latrotoxin C-terminal domain | |
| PF15681 | LAX | Lymphocyte activation family X | |
| PF15686 | LYRIC | Lysine-rich CEACAM1 co-isolated protein family | |
| PF15703 | LAT2 | Linker for activation of T-cells family member 2 | |
| PF15741 | LRIF1 | Ligand-dependent nuclear receptor-interacting factor 1 | |
| PF15779 | LRRC37 | Leucine-rich repeat-containing protein 37 family | |
| PF15792 | LAS2 | Lung adenoma susceptibility protein 2 | |
| PF15838 | LLCFC1 | LLLL and CFNLAS motif-containing protein 1 | |
| PF15847 | Loricrin | Major keratinocyte cell envelope protein | |
| PF15858 | LCE6A | Late cornified envelope protein 6A family | |
| PF15904 | LIP1 | LKB1 serine/threonine kinase interacting protein 1 | |
| PF16045 | LisH_2 | LisH | |
| PF16255 | Lipase_GDSL_lke | GDSL-like Lipase/Acylhydrolase | A7M4B4 |
| PF16353 | LacZ_4 | Beta-galactosidase, domain 4 | P00722 |
| PF16448 | LapD_MoxY_N | LapD/MoxY periplasmic domain | Q5ZXA3 |
| PF16584 | LolA_2 | Outer membrane lipoprotein carrier protein LolA | A7VAU1 |
| PF16585 | Lipocalin_8 | Lipocalin-like domain | A7V1A8 |
| PF16605 | LSM_int_assoc | LSM-interacting associated unstructured | |
| PF16661 | Lactamase_B_6 | Metallo-beta-lactamase superfamily domain | Q12102 |
| PF16672 | LAMTOR5 | Ragulator complex protein LAMTOR5 | O43504 |
| PF16708 | LppA | Lipoprotein confined to pathogenic Mycobacterium | P9WK81 |
| PF16759 | LIG3_BRCT | DNA ligase 3 BRCT domain | P49916 |
| PF16876 | Lipin_mid | Lipin/Ned1/Smp2 multi-domain protein middle domain | Q99PI5 |
| PF16881 | LIAS_N | N-terminal domain of lipoyl synthase of Radical_SAM family | P9WK91 |
| PF16920 | LRRCT_2 | Leucine rich repeat C-terminal motif | P04629 |
| PF17131 | LolA_like | Outer membrane lipoprotein-sorting protein | B6WQE2 |
| PF17186 | Lipocalin_9 | Lipocalin-like domain | C7ZKN4 |
| PF17294 | Lipoprotein_22 | Uncharacterised lipoprotein family | A0A6L8PXC8 |
| PF17301 | LpqV | Putative lipoprotein LpqV | |
| PF17385 | LBP_M | Lacto-N-biose phosphorylase central domain | E8MF13 |
| PF17386 | LBP_C | Lacto-N-biose phosphorylase C-terminal domain | E8MF13 |
| PF17446 | LtuA | Late transcription unit A | |
| PF17455 | LtuB | Late transcription unit B | |
| PF17648 | Luciferase | Luciferase | |
| PF17814 | LisH_TPL | LisH-like dimerisation domain | Q8CGF6 |
| PF17861 | Laterosporulin | Laterosporulin defensin-like peptide | A0A075R4X6 |
| PF17916 | LID | LIM interaction domain (LID) | P70662 |
| PF17930 | LpxI_N | LpxI N-terminal domain | A0A0H3C8Q1 |
| PF17969 | Ldt_C | L,D-transpeptidase C-terminal domain | A6T6R4 |
| PF17971 | LIFR_D2 | Leukemia inhibitory factor receptor D2 domain | P42702 |
| PF17990 | LodA_N | L-Lysine epsilon oxidase N-terminal | A0A161XU12 |
| PF18022 | Lectin_C_term | Ricin-type beta-trefoil lectin C-terminal domain | |
| PF18067 | Lipase_C | Lipase C-terminal domain | O28511 |
| PF18139 | LSDAT_euk | SLOG in TRPM | Q5F4S7 |
| PF18163 | LD_cluster2 | SLOG cluster2 | |
| PF18171 | LSDAT_prok | SLOG in TRPM, prokaryote | |
| PF18172 | LepB_GAP_N | LepB GAP domain N-terminal subdomain | Q6X1Y7 |
| PF18177 | La_HTH_kDCL | La HTH in kinetoplastid DICER domain | |
| PF18180 | LD_cluster3 | SLOG cluster3 family | |
| PF18207 | LIFR_N | Leukemia inhibitory factor receptor N-terminal domain | P42702 |
| PF18227 | LepB_GAP_C | LepB GAP domain C-terminal subdomain | Q6X1Y7 |
| PF18238 | LnmK_N_HDF | LnmK N-terminal Hot Dog Fold domain | Q8GGP1 |
| PF18242 | LupA | Legionella ubiquitin-specific protease A domain | Q5ZWD7 |
| PF18285 | LuxT_C | Tetracycline repressor LuxT C-terminal domain | Q87J33 |
| PF18306 | LDcluster4 | SLOG cluster4 family | B7K4Z0 |
| PF18330 | Lig_C | Ligase Pab1020 C-terminal region | O27289 |
| PF18342 | LytB_SH3 | Endo-beta-N-acetylglucosaminidase LytB SH3 domain | P59206 |
| PF18417 | LodA_C | L-lysine epsilon oxidase C-terminal domain | A0A161XU12 |
| PF18517 | LZ3wCH | Leucine zipper with capping helix domain | E2RTU1 |
| PF18560 | Lectin_like | Lectin like domain | |
| PF18566 | Ldi | Linalool dehydratase/isomerase | E1XUJ2 |
| PF18599 | LCIB_C_CA | Limiting CO2-inducible proteins B/C beta carbonyic anhydrases | B7FR28 |
| PF18603 | LAL_C2 | L-amino acid ligase C-terminal domain 2 | Q65D11 |
| PF18639 | Longin_2 | Yeast longin domain | Q6CXP4 |
| PF18640 | LepB_N | LepB N-terminal domain | Q6X1Y7 |
| PF18641 | LidA_Long_CC | LidA long coiled-coil domain | Q5ZWZ3 |
| PF18654 | LegC3_N | LegC3 N-terminal coiled-coil domain | Q5ZUU1 |
| PF18779 | LRR_RI_capping | Capping Ribonuclease inhibitor Leucine Rich Repeat | Q5ZIY8 |
| PF18796 | LPD1 | Large polyvalent protein-associated domain 1 | |
| PF18798 | LPD3 | Large polyvalent protein-associated domain 3 | |
| PF18799 | LPD5 | Large polyvalent protein-associated domain 5 | |
| PF18805 | LRR_10 | Leucine-rich repeat | Q8ABA0 |
| PF18821 | LPD7 | Large polyvalent protein-associated domain 7 | |
| PF18824 | LPD11 | Large polyvalent protein-associated domain 11 | |
| PF18825 | LPD13 | Large polyvalent protein-associated domain 13 | |
| PF18827 | LPD14 | Large polyvalent protein-associated domain 14 | |
| PF18828 | LPD15 | Large polyvalent-protein-associated domain 15 | |
| PF18830 | LPD16 | Large polyvalent protein-associated domain 16 | |
| PF18831 | LRR_11 | Leucine-rich repeat | Q62192 |
| PF18832 | LPD18 | Large polyvalent protein-associated domain 18 | |
| PF18834 | LPD22 | Large polyvalent protein associated domain 22 | |
| PF18837 | LRR_12 | Leucine-rich repeat | Q9EQU3 |
| PF18838 | LPD23 | Large polyvalent protein associated domain 23 | |
| PF18839 | LPD24 | Large polyvalent protein associated domain 24 | |
| PF18840 | LPD25 | Large polyvalent protein associated domain 25 | |
| PF18842 | LPD26 | Large polyvalent protein associated domain 26 | |
| PF18843 | LPD28 | Large polyvalent protein associated domain 28 | |
| PF18847 | LPD29 | Large polyvalent protein associated domain 29 | |
| PF18850 | LPD30 | Large polyvalent protein associated domain 30 | |
| PF18852 | LPD34 | Large polyvalent protein associated domain 34 | |
| PF18853 | LPD37 | Large polyvalent protein associated domain 37 | |
| PF18857 | LPD38 | Large polyvalent protein associated domain 38 | |
| PF18858 | LPD39 | Large polyvalent protein associated domain 39 | |
| PF18916 | Lycopene_cyc | Lycopene cyclase | |
| PF18917 | LiaI-LiaF-like_TM1 | LiaI-LiaF-like transmembrane region | |
| PF18966 | Lipoprotein_23 | Uncharacterised lipoprotein | |
| PF19045 | Ligase_CoA_2 | Ligase-CoA domain | B1L3C9 |
| PF19256 | LAIKA | LAIKA domain | |
| PF19301 | LigXa_C | LigXa C-terminal domain like | B7WQT1 |
| PF19324 | LETM2_N | LETM1 domain-containing protein LETM2 N-terminus | |
| PF19438 | LIN9_C | LIN9 C-terminal | Q5TKA1 |
| PF19574 | LolA_3 | Outer membrane lipoprotein carrier protein LolA-like | |
| PF19729 | LRR_FBXL18 | F-box/LRR-repeat protein 18, LRR | |
| PF19838 | LptD_2 | LptD protein | |
| PF20154 | LNT_N | Apolipoprotein N-acyltransferase N-terminal domain | P23930 |
| PF20210 | Laa1_Sip1_HTR5 | Laa1/Sip1/HEATR5 HEAT repeat region | |
| PF20263 | LYRM2-like | LYR motif-containing protein 2-like | |
| PF20265 | LARA_dom | ATPase, RavA, LARA domain | P31473 |
| PF20436 | LonB_AAA-LID | Archaeal LonB, AAA+ ATPase LID domain | C9DRU9 |
| PF20437 | LonC_helical | Lon-like LonC helical domain | |
| PF20443 | LAP1_N | Lamina-associated polypeptide 1, N-terminal | |
| PF20579 | LapA | LapA domain | |
| PF20733 | LRIM1_dimer | Dimerization domain in LRIM1 | |
| PF20735 | Lambda_ea8_5 | Bacteriophage lambda ea8.5-related domain | |
| PF20854 | LED_rpt | LED repeat | |
| PF20980 | lpg1496_N | lpg1496 N-terminal domain | |
| PF20985 | Legum_prodom | Legumain, prodomain | |
| PF21013 | LOC400499 | LOC400499 family | |
| PF21071 | LARP1_HEAT | LARP1 HEAT repeat region | |
| PF21113 | LarA_C | Lactate racemase C-terminal domain | |
| PF21166 | LSM12_LSM | LSM12, LSM domain | |
| PF21177 | LIF-R_Ig-like | Leukemia inhibitory factor receptor, Ig-like domain | |
| PF21199 | LAMININ_IV_B | Laminin IV type B domain | |
| PF21222 | Lamp2_2nd | Lysosome-associated membrane glycoprotein 2, transmembrane segment | |
| PF21260 | Laman-like_dom | Lysosomal alpha-mannosidase-like, central domain | |
| PF21300 | LbR_Ice_bind | Grass antifreeze beta roll | |
| PF21418 | LinB-like_C | Lincosamide nucleotidyltransferase-like, C-terminal domain | |
| PF21640 | LytM_N | LytM, N-terminal domain | |
| PF21686 | LigD_Prim-Pol | LigD, primase-polymerase domain | |
| PF21691 | LDL | Alpha-galactosyl binding lectin | |
| PF21890 | Lin-28A-like_zf-CCHC_2 | Lin-28A-like, second zinc knuckle | |
| PF21946 | LppM | LppM domain | |
| PF21948 | LplA-B_cat | Lipoyl protein ligase A/B catalytic domain | |
| PF21971 | LINC-PINT | Transcriptional regulator PINT87aa | |
| PF22035 | Lpg0393_VPS9 | Lpg0393 VPS9-like domain | |
| PF22048 | LSO1_2-like | LSO1/2-like | |
| PF22125 | Lreu_0056_like | Hypotheical protein Lreu_0056 | |
| PF22146 | LicP_NPro | LicP N-terminal prodomain | |
| PF22272 | LEA_3b | Late embryogenesis abundant protein (LEA_3b subfamily) | |
| PF22375 | Lgt1_N | Glucosyltransferase Lgt1, N-terminal domain | |
| PF22390 | LntA_helical | LntA, four-helical up-and-down bundle | |
| PF22416 | Lmo2445-like_C | Lmo2445-like, C-terminal domain | |
| PF22570 | LiaF-TM | LiaF transmembrane domain | |
| PF22571 | LiaI-LiaF-TM_PspC | PspC transmembrane region | |
| PF22626 | LysX_preATP_grasp | LysX preATP-grasp domain | |
| PF22667 | Lon_lid | Lon protease AAA+ ATPase lid domain | |
| PF22681 | Lmo2446-like_N | Lmo2446-like, N-terminal | |
| PF22684 | LFE_1968-like | LFE_1968-like | |
| PF22692 | LlgE_F_G_D1 | Flagellar hook protein FlgE/F/G D1 domain | |
| PF22810 | LPMO_AA14 | Lytic polysaccharide monooxygenase AA14 | |
| PF22945 | LEM-3_GIY-YIG | LEM-3-like GIY-YIG domain | |
| PF22958 | Ltn1_1st | E3 ubiquitin-protein ligase listerin, N-terminal domain | |
| PF22991 | Lock_Gag1-like | Gag1-like, lock domain | |
| PF22999 | LTN1_E3_ligase_6th | LTN1 family HEAT repeat region | |
| PF23190 | LHD_TRPY1 | TRPY1 N-terminal linker helical domain | |
| PF23211 | LRR_LRWD1 | Leucine-rich repeat and WD repeat-containing protein 1, LRR | |
| PF23219 | LAMB1 | LAMB1-like domain | |
| PF23247 | LRR_RPS2 | Plant disease resistance protein RPS2-like, leucine-rich repeats | |
| PF23286 | LRR_13 | Disease resistance protein RPS4B-like, leucine-rich repeats | |
| PF23359 | Lsr2_DNA-bd | Lsr2 DNA-binding domain | |
| PF23399 | LTI65_PGEED | LTI65/LTI78 PGEED repeat | |
| PF23402 | LTI65_LTI78_NYQTKV | LTI65/LTI78 NYQTKV repeat | |
| PF23403 | LTI65_LTI78_N | LTI65/LTI78 CAP160 N-terminal | |
| PF23446 | LysM1_NFP_LYK | NFP/LYK LysM1 domain | |
| PF23457 | LysM2_NFP | NFP LysM2 domain | |
| PF23462 | LysM3_NFP | NFP LysM3 domain | |
| PF23472 | LysM2_CERK1_LYK3_4_5 | LYK3/4/5 LysM2 domain | |
| PF23473 | LysM3_LYK4_5 | LYK4/5 LysM3 domain | |
| PF23577 | LysM_RLK | LysM domain | |
| PF23598 | LRR_14 | Leucine-rich repeat region | |
| PF23622 | LRR_At1g61320_AtMIF1 | At1g61320/AtMIF1, LRR domain | |
| PF23627 | LisH_WDR26 | WDR26 Lis-homology motif | |
| PF23655 | LYRM_2 | LYR motif containing domain | |
| PF23793 | LysC | Rz1-like lysis system protein LysC | |
| PF23894 | LD_SV2 | SV2A/B/C luminal domain | |
| PF23926 | LtfC | LtfC-like, beta-sandwich domain | |
| PF23952 | LRR_EndoS | Endo-beta-N-acetylglucosaminidase EndoS LRR domain | |
| PF24048 | LRR_NXF1-5 | NXF1/2/3/5 leucine-rich repeat domain | |
| PF24061 | LBD_receptor | Putative ionotropic receptor, ligand binding domain | |
| PF24141 | LRR_ComC | EGF-like domain-containing protein ComC LRR domain | |
| PF24550 | LIS_MGM1 | Dynamin-like GTPase MGM1-like, lipid interacting stalk | |
| PF24618 | LTN1_E3_ligase_5th | Listerin HEAT repeat region | |
| PF24694 | LNS2_PITM1-3 | PITM 1-3, LNS2 domain | |
| PF24708 | Lip_C | Lipase-like, C-terminal domain | |
| PF24758 | LRR_At5g56370 | FBD-associated F-box protein At5g56370, LRR repeats | |