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Browse domain names starting with 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Browse domains based on Gene Ontology (GO) classification:
Molecular function
Biological process
Cellular component
All
There are 740 entries starting with C
| Pfam ID | Description | Accession | Interpro ID |
| c-SKI_SMAD_bind | c-SKI Smad4 binding domain | PF08782 | IPR014890 |
| C1-set | Immunoglobulin C1-set domain | PF07654 | IPR003597 |
| C1q | C1q domain | PF00386 | IPR001073 |
| C1_1 | Phorbol esters/diacylglycerol binding domain (C1 domain) | PF00130 | IPR002219 |
| C1_2 | C1 domain | PF03107 | IPR004146 |
| C1_3 | C1-like domain | PF07649 | IPR011424 |
| C1_4 | TFIIH C1-like domain | PF07975 | IPR004595 |
| C2 | C2 domain | PF00168 | IPR000008 |
| C2-set | Immunoglobulin C2-set domain | PF05790 | IPR008424 |
| C2-set_2 | CD80-like C2-set immunoglobulin domain | PF08205 | IPR013162 |
| C4 | C-terminal tandem repeated domain in type 4 procollagen | PF01413 | IPR001442 |
| C4dic_mal_tran | C4-dicarboxylate transporter/malic acid transport protein | PF03595 | IPR004695 |
| C5-epim_C | D-glucuronyl C5-epimerase C-terminus | PF06662 | IPR010598 |
| C6 | C6 domain | PF01681 | IPR002601 |
| C6_DPF | Cysteine-rich domain | PF10170 | IPR018785 |
| C8 | C8 domain | PF08742 | IPR014853 |
| Caa3_CtaG | Cytochrome c oxidase caa3 assembly factor (Caa3_CtaG) | PF09678 | IPR019108 |
| Cache_1 | Cache domain | PF02743 | IPR004010 |
| Cache_2 | Cache domain | PF08269 | IPR013163 |
| CactinC_cactus | Cactus-binding C-terminus of cactin protein | PF09732 | IPR019134 |
| Cactin_mid | Conserved mid region of cactin | PF10312 | IPR018816 |
| Cad | Cadmium resistance transporter | PF03596 | IPR004676 |
| Cadherin | Cadherin domain | PF00028 | IPR002126 |
| Cadherin_2 | Cadherin-like | PF08266 | IPR013164 |
| Cadherin_C | Cadherin cytoplasmic region | PF01049 | IPR000233 |
| Cadherin_pro | Cadherin prodomain like | PF08758 | IPR014868 |
| Caenor_Her-1 | Caenorhabditis elegans Her-1 | PF09232 | IPR015313 |
| Caerin_1 | Caerin 1 protein | PF07440 | IPR010000 |
| CAF1 | CAF1 family ribonuclease | PF04857 | IPR006941 |
| CagA | CagA exotoxin | PF03507 | IPR005169 |
| CagE_TrbE_VirB | CagE, TrbE, VirB family, component of type IV transporter system | PF03135 | IPR018145 |
| CagX | Conjugal transfer protein | PF03524 | IPR010258 |
| CagY_M | DC-EC Repeat | PF07337 | IPR010853 |
| CagZ | CagZ | PF09053 | IPR015139 |
| CaKB | Calcium-activated potassium channel, beta subunit | PF03185 | IPR003930 |
| Calcipressin | Calcipressin | PF04847 | IPR006931 |
| CALCOCO1 | Calcium binding and coiled-coil domain (CALCOCO1) like | PF07888 | IPR012852 |
| Calcyon | D1 dopamine receptor-interacting protein (calcyon) | PF06387 | IPR009431 |
| Calc_CGRP_IAPP | Calcitonin / CGRP / IAPP family | PF00214 | IPR021116 |
| Caldesmon | Caldesmon | PF02029 | IPR006018 |
| Caleosin | Caleosin related protein | PF05042 | IPR007736 |
| Calici_coat | Calicivirus coat protein | PF00915 | IPR004005 |
| Calici_coat_C | Calicivirus coat protein C-terminal | PF08435 | IPR013643 |
| Calici_MSP | Calicivirus minor structural protein | PF05752 | IPR008437 |
| Calici_PP_N | Viral polyprotein N-terminal | PF08405 | IPR013614 |
| Calmodulin_bind | Calmodulin binding protein-like | PF07887 | IPR012416 |
| Calpain_III | Calpain large subunit, domain III | PF01067 | IPR022682 |
| Calpain_inhib | Calpain inhibitor | PF00748 | IPR001259 |
| Calponin | Calponin family repeat | PF00402 | IPR000557 |
| Calreticulin | Calreticulin family | PF00262 | IPR001580 |
| Calsarcin | Calcineurin-binding protein (Calsarcin) | PF05556 | IPR008438 |
| Calsequestrin | Calsequestrin | PF01216 | IPR001393 |
| Calx-beta | Calx-beta domain | PF03160 | IPR003644 |
| CaMBD | Calmodulin binding domain | PF02888 | IPR004178 |
| CaMKII_AD | Calcium/calmodulin dependent protein kinase II Association | PF08332 | IPR013543 |
| Campylo_MOMP | Campylobacter major outer membrane protein | PF05538 | IPR008439 |
| CAMP_factor | CAMP factor (Cfa) | PF07373 | IPR010860 |
| CamS | CamS sex pheromone cAM373 precursor | PF07537 | IPR011426 |
| CaM_bdg_C0 | Calmodulin-binding domain C0 of NMDA receptor NR1 subunit | PF10562 | IPR018882 |
| CaM_binding | Plant calmodulin-binding domain | PF07839 | IPR012417 |
| Candida_ALS | Candida agglutinin-like protein (ALS) | PF05792 | IPR008440 |
| CAP160 | CAP160 repeat | PF07918 | IPR012418 |
| Capsid_NCLDV | Large eukaryotic DNA virus major capsid protein | PF04451 | IPR007542 |
| Capsule_synth | Capsule polysaccharide biosynthesis protein | PF05159 | IPR007833 |
| Caps_synth | Capsular polysaccharide synthesis protein | PF05704 | IPR008441 |
| CAP_C | DE Adenylate cyclase associated (CAP) C terminal | PF08603 | IPR013912 |
| CAP_GLY | CAP-Gly domain | PF01302 | IPR000938 |
| CAP_N | Adenylate cyclase associated (CAP) N terminal | PF01213 | IPR013992 |
| Carboxyl_trans | Carboxyl transferase domain | PF01039 | IPR000022 |
| CarbpepA_inh | Carboxypeptidase A inhibitor | PF02977 | IPR004231 |
| Carbpep_Y_N | Carboxypeptidase Y pro-peptide | PF05388 | IPR008442 |
| Carb_anhydrase | Eukaryotic-type carbonic anhydrase | PF00194 | IPR001148 |
| Carb_bind | Carbohydrate binding | PF10645 | IPR018909 |
| Carb_kinase | Carbohydrate kinase | PF01256 | IPR000631 |
| Carcinustatin | Carcinustatin peptide | PF08261 | IPR013165 |
| CARD | Caspase recruitment domain | PF00619 | IPR001315 |
| CARDB | CARDB | PF07705 | IPR011635 |
| CarD_TRCF | CarD-like/TRCF domain | PF02559 | IPR003711 |
| Carla_C4 | Carlavirus putative nucleic acid binding protein | PF01623 | IPR002568 |
| Carmo_coat_C | Carmovirus coat protein | PF08462 | IPR013669 |
| Carn_acyltransf | Choline/Carnitine o-acyltransferase | PF00755 | IPR000542 |
| Carot_N | Orange carotenoid protein, N-terminal | PF09150 | IPR015233 |
| CART | Cocaine and amphetamine regulated transcript protein (CART) | PF06373 | IPR009106 |
| Cas1p | Cas1p-like protein | PF07779 | IPR012419 |
| Cas6 | Cas6 Crispr | PF09559 | IPR014174 |
| Casein | Casein | PF00363 | IPR001588 |
| Casein_kappa | Kappa casein | PF00997 | IPR000117 |
| CASP_C | CASP C terminal | PF08172 | IPR012955 |
| Cast | RIM-binding protein of the cytomatrix active zone | PF10174 | IPR019323 |
| Cas_APE2256 | CRISPR-associated protein (Cas_APE2256) | PF09651 | IPR013442 |
| Cas_Cas02710 | CRISPR-associated protein (Cas_Cas02710) | PF09670 | |
| Cas_Cas2CT1978 | CRISPR-associated protein (Cas_Cas2CT1978) | PF09707 | IPR010152 |
| Cas_Cas5a | CRISPR-associated protein (Cas_Cas5a) | PF09705 | |
| Cas_Cas5d | CRISPR-associated protein (Cas_Cas5d) | PF09704 | IPR021124 |
| Cas_Cas5e | CRISPR-associated protein (Cas_Cas5e) | PF09708 | |
| Cas_Cmr3 | CRISPR-associated protein (Cas_Cmr3) | PF09700 | IPR019117 |
| Cas_Cmr5 | CRISPR-associated protein (Cas_Cmr5) | PF09701 | IPR010160 |
| Cas_Csa4 | CRISPR-associated protein (Cas_Csa4) | PF09703 | IPR010184 |
| Cas_Csa5 | CRISPR-associated protein (Cas_Csa5) | PF09702 | IPR010157 |
| Cas_Csd1 | CRISPR-associated protein (Cas_Csd1) | PF09709 | IPR010144 |
| CAS_CSE1 | CAS/CSE protein, C-terminus | PF03378 | IPR005043 |
| Cas_Csm6 | CRISPR-associated protein (Cas_Csm6) | PF09659 | |
| Cas_Csn2 | CRISPR-associated protein (Cas_Csn2) | PF09711 | IPR010146 |
| Cas_csx3 | CRISPR-associated protein (Cas_csx3) | PF09620 | IPR013409 |
| Cas_Csx8 | CRISPR-associated protein Csx8 (Cas_Csx8) | PF09657 | IPR013487 |
| Cas_Csx9 | CRISPR-associated protein (Cas_Csx9) | PF09658 | IPR013488 |
| Cas_Csy1 | CRISPR-associated protein (Cas_Csy1) | PF09611 | IPR013397 |
| Cas_Csy2 | CRISPR-associated protein (Cas_Csy2) | PF09614 | IPR013398 |
| Cas_Csy3 | CRISPR-associated protein (Cas_Csy3) | PF09615 | IPR013399 |
| Cas_Csy4 | CRISPR-associated protein (Cas_Csy4) | PF09618 | IPR013396 |
| Cas_CT1975 | CT1975-like protein | PF09344 | IPR010148 |
| Cas_CXXC_CXXC | CRISPR-associated protein (Cas_CXXC_CXXC) | PF09706 | IPR019121 |
| Cas_DxTHG | CRISPR-associated (Cas) DxTHG family | PF09455 | IPR019016 |
| Cas_GSU0053 | CRISPR-associated protein GSU0053 (Cas_GSU0053) | PF09617 | IPR013403 |
| Cas_GSU0054 | CRISPR-associated protein, GSU0054 family (Cas_GSU0054) | PF09609 | IPR019089 |
| Cas_NE0113 | CRISPR-associated protein NE0113 (Cas_NE0113) | PF09623 | IPR019092 |
| Cas_TM1802 | CRISPR-associated protein TM1802 (cas_TM1802) | PF09484 | IPR013389 |
| Cas_TM1812 | CRISPR-associated protein (cas_TM1812) | PF09530 | IPR011742 |
| Cas_VVA1548 | Putative CRISPR-associated protein (Cas_VVA1548) | PF09652 | IPR013443 |
| CAT | Chloramphenicol acetyltransferase | PF00302 | IPR001707 |
| Catalase | Catalase | PF00199 | IPR018028 |
| Catalase-rel | Catalase-related immune-responsive | PF06628 | IPR010582 |
| Cathelicidins | Cathelicidin | PF00666 | IPR001894 |
| CathepsinC_exc | Cathepsin C exclusion domain | PF08773 | IPR014882 |
| Cation_ATPase_C | Cation transporting ATPase, C-terminus | PF00689 | IPR006068 |
| Cation_ATPase_N | Cation transporter/ATPase, N-terminus | PF00690 | IPR004014 |
| Cation_efflux | Cation efflux family | PF01545 | IPR002524 |
| CAT_RBD | CAT RNA binding domain | PF03123 | IPR004341 |
| Caudal_act | Caudal like protein activation region | PF04731 | IPR006820 |
| Caudo_TAP | Caudovirales tail fibre assembly protein | PF02413 | IPR003458 |
| Cauli_AT | Aphid transmission protein | PF03233 | IPR004917 |
| Cauli_DNA-bind | Caulimovirus DNA-binding protein | PF03310 | IPR004986 |
| Cauli_VI | Caulimovirus viroplasmin | PF01693 | IPR011320 |
| Caveolin | Caveolin | PF01146 | IPR001612 |
| CAV_VP3 | Chicken anaemia virus VP-3 protein | PF04771 | IPR006858 |
| Ca_channel_B | Dihydropyridine sensitive L-type calcium channel (Beta subunit) | PF00774 | |
| Ca_chan_IQ | Voltage gated calcium channel IQ domain | PF08763 | IPR014873 |
| CBAH | Linear amide C-N hydrolases, choloylglycine hydrolase family | PF02275 | IPR003199 |
| Cbb3_Q_epsi | Cytochrome c oxidase cbb3-type (Cbb3_Q_epsi) | PF09672 | |
| CbbQ_C | CbbQ/NirQ/NorQ C-terminal | PF08406 | IPR013615 |
| CBF | CBF/Mak21 family | PF03914 | IPR005612 |
| CBFB_NFYA | CCAAT-binding transcription factor (CBF-B/NF-YA) subunit B | PF02045 | IPR001289 |
| CBFD_NFYB_HMF | Histone-like transcription factor (CBF/NF-Y) and archaeal histone | PF00808 | IPR003958 |
| CBFNT | CBFNT (NUC161) domain | PF08143 | IPR012956 |
| CBF_beta | Core binding factor beta subunit | PF02312 | IPR003417 |
| CbiA | CobQ/CobB/MinD/ParA nucleotide binding domain | PF01656 | IPR002586 |
| CbiC | Precorrin-8X methylmutase | PF02570 | IPR003722 |
| CbiD | CbiD | PF01888 | IPR002748 |
| CbiG | CbiG | PF01890 | IPR002750 |
| CbiJ | Precorrin-6x reductase CbiJ/CobK | PF02571 | IPR003723 |
| CbiK | Cobalt chelatase (CbiK) | PF06180 | IPR010388 |
| CbiM | Cobalt uptake substrate-specific transmembrane region | PF01891 | IPR002751 |
| CbiN | Cobalt transport protein component CbiN | PF02553 | IPR003705 |
| CbiQ | Cobalt transport protein | PF02361 | IPR003339 |
| CbiX | CbiX | PF01903 | IPR002762 |
| CbiZ | Adenosylcobinamide amidohydrolase | PF01955 | IPR002808 |
| CblD | CblD like pilus biogenesis initiator | PF07434 | IPR010888 |
| Cbl_N | CBL proto-oncogene N-terminal domain 1 | PF02262 | IPR003153 |
| Cbl_N2 | CBL proto-oncogene N-terminus, EF hand-like domain | PF02761 | IPR014741 |
| Cbl_N3 | CBL proto-oncogene N-terminus, SH2-like domain | PF02762 | IPR014742 |
| CBM27 | Carbohydrate binding module 27 | PF09212 | IPR015295 |
| CBM49 | Carbohydrate binding domain CBM49 | PF09478 | IPR019028 |
| CBM_1 | Fungal cellulose binding domain | PF00734 | IPR000254 |
| CBM_10 | Cellulose or protein binding domain | PF02013 | IPR002883 |
| CBM_11 | Carbohydrate binding domain (family 11) | PF03425 | IPR005087 |
| CBM_14 | Chitin binding Peritrophin-A domain | PF01607 | IPR002557 |
| CBM_15 | Carbohydrate binding domain (family 15) | PF03426 | IPR005088 |
| CBM_17_28 | Carbohydrate binding domain (family 17/28) | PF03424 | IPR005086 |
| CBM_19 | Carbohydrate binding domain (family 19) | PF03427 | IPR005089 |
| CBM_2 | Cellulose binding domain | PF00553 | IPR001919 |
| CBM_20 | Starch binding domain | PF00686 | IPR002044 |
| CBM_21 | Putative phosphatase regulatory subunit | PF03370 | IPR005036 |
| CBM_25 | Carbohydrate binding domain (family 25) | PF03423 | IPR005085 |
| CBM_3 | Cellulose binding domain | PF00942 | IPR001956 |
| CBM_48 | Carbohydrate-binding module 48 (Isoamylase N-terminal domain) | PF02922 | IPR004193 |
| CBM_4_9 | Carbohydrate binding domain | PF02018 | IPR003305 |
| CBM_5_12 | Carbohydrate binding domain | PF02839 | IPR003610 |
| CBM_6 | Carbohydrate binding module (family 6) | PF03422 | IPR005084 |
| CBM_X | Putative carbohydrate binding domain | PF06204 | IPR009342 |
| CBP4 | CBP4 | PF07960 | IPR012420 |
| CBS | CBS domain pair | PF00571 | IPR000644 |
| CbtA | Probable cobalt transporter subunit (CbtA) | PF09490 | |
| CbtB | Probable cobalt transporter subunit (CbtB) | PF09489 | IPR012667 |
| CC | CC domain | PF04942 | IPR007026 |
| CCD | WisP family C-Terminal Region | PF07860 | IPR012421 |
| CcdA | Post-segregation antitoxin CcdA | PF07362 | IPR009956 |
| CcdB | CcdB protein | PF01845 | IPR002712 |
| CCG | Cysteine-rich domain | PF02754 | IPR004017 |
| CcmB | CcmB protein | PF03379 | IPR003544 |
| CcmD | Heme exporter protein D (CcmD) | PF04995 | IPR007078 |
| CcmE | CcmE | PF03100 | IPR004329 |
| CcmH | Cytochrome C biogenesis protein | PF03918 | IPR005616 |
| CcoS | Cytochrome oxidase maturation protein cbb3-type | PF03597 | IPR004714 |
| CCP_MauG | Di-haem cytochrome c peroxidase | PF03150 | IPR004852 |
| CCT | CCT motif | PF06203 | IPR010402 |
| CCT_2 | Divergent CCT motif | PF09425 | IPR018467 |
| CD20 | CD20/IgE Fc receptor beta subunit family | PF04103 | IPR007237 |
| CD225 | Interferon-induced transmembrane protein | PF04505 | IPR007593 |
| CD34_antigen | CD34/Podocalyxin family | PF06365 | IPR013836 |
| CD36 | CD36 family | PF01130 | IPR002159 |
| CD4-extracel | CD4, extracellular | PF09191 | IPR015274 |
| CD47 | CD47 transmembrane region | PF04549 | IPR013147 |
| CDC13-DNA-bind | CDC13, ssDNA binding | PF09283 | |
| CDC14 | Cell division control protein 14, SIN component | PF08045 | IPR012535 |
| CDC24 | CDC24 Calponin | PF06395 | IPR010481 |
| CDC27 | DNA polymerase subunit Cdc27 | PF09507 | IPR019038 |
| CDC37_C | Cdc37 C terminal domain | PF08564 | IPR013873 |
| CDC37_M | Cdc37 Hsp90 binding domain | PF08565 | IPR013874 |
| CDC37_N | Cdc37 N terminal kinase binding | PF03234 | IPR013855 |
| CDC45 | CDC45-like protein | PF02724 | IPR003874 |
| CDC48_2 | Cell division protein 48 (CDC48), domain 2 | PF02933 | IPR004201 |
| CDC48_N | Cell division protein 48 (CDC48), N-terminal domain | PF02359 | IPR003338 |
| CDC50 | LEM3 (ligand-effect modulator 3) family / CDC50 family | PF03381 | IPR005045 |
| Cdc6_C | CDC6, C terminal | PF09079 | IPR015163 |
| CDC73 | RNA pol II accessory factor, Cdc73 family | PF05179 | IPR007852 |
| CdCA1 | Cadmium carbonic anhydrase repeat | PF10563 | IPR018883 |
| CDH | CDP-diacylglycerol pyrophosphatase | PF02611 | IPR003763 |
| CdhC | CO dehydrogenase/acetyl-CoA synthase complex beta subunit | PF03598 | IPR004461 |
| CdhD | CO dehydrogenase/acetyl-CoA synthase delta subunit | PF03599 | IPR016041 |
| CDI | Cyclin-dependent kinase inhibitor | PF02234 | IPR003175 |
| CDK2AP | Cyclin-dependent kinase 2-associated protein | PF09806 | IPR019187 |
| CDK5_activator | Cyclin-dependent kinase 5 activator protein | PF03261 | IPR004944 |
| CDKN3 | Cyclin-dependent kinase inhibitor 3 (CDKN3) | PF05706 | |
| CDO_I | Cysteine dioxygenase type I | PF05995 | IPR010300 |
| CDP-OH_P_transf | CDP-alcohol phosphatidyltransferase | PF01066 | IPR000462 |
| CDP-OH_P_tran_2 | CDP-alcohol phosphatidyltransferase 2 | PF08009 | IPR012616 |
| CDRN | Cysteine-rich D. radiodurans N terminus | PF05174 | IPR007847 |
| CDT1 | DNA replication factor CDT1 like | PF08839 | IPR014939 |
| CDtoxinA | Cytolethal distending toxin A/C family | PF03498 | IPR003558 |
| Cecropin | Cecropin family | PF00272 | IPR000875 |
| CedA | Cell division activator CedA | PF10729 | IPR019666 |
| CelD_N | N-terminal ig-like domain of cellulase | PF02927 | IPR004197 |
| Cellsynth_D | Cellulose synthase subunit D | PF03500 | |
| Cellulase | Cellulase (glycosyl hydrolase family 5) | PF00150 | IPR001547 |
| Cellulose_synt | Cellulose synthase | PF03552 | IPR005150 |
| CemA | CemA family | PF03040 | IPR004282 |
| Cementoin | Trappin protein transglutaminase binding domain | PF10511 | IPR019541 |
| Cenp-B_dimeris | Centromere protein B dimerisation domain | PF09026 | IPR015115 |
| CENP-B_N | CENP-B N-terminal DNA-binding domain | PF04218 | IPR006695 |
| Cenp-F_leu_zip | Leucine-rich repeats of kinetochore protein Cenp-F/LEK1 | PF10473 | IPR019513 |
| Cenp-F_N | Cenp-F N-terminal domain | PF10481 | IPR018463 |
| CENP-H | Centromere protein H (CENP-H) | PF05837 | IPR008426 |
| Cenp-O | Cenp-O kinetochore centromere component | PF09496 | IPR018464 |
| CenpB-DNA-bind | Centromere binding protein B, DNA binding | PF09091 | |
| CEP1-DNA_bind | CEP-1, DNA binding | PF09287 | IPR015367 |
| Ceramidase_alk | Neutral/alkaline non-lysosomal ceramidase | PF04734 | |
| Cerato-platanin | Cerato-platanin | PF07249 | IPR010829 |
| CesT | Tir chaperone protein (CesT) | PF05932 | IPR010261 |
| CfAFP | Choristoneura fumiferana antifreeze protein (CfAFP) | PF05264 | IPR007928 |
| CFC | Cripto_Frl-1_Cryptic (CFC) | PF09443 | IPR019011 |
| CFEM | CFEM domain | PF05730 | IPR008427 |
| CG-1 | CG-1 domain | PF03859 | IPR005559 |
| Cg6151-P | Uncharacterized conserved protein CG6151-P | PF10233 | IPR019365 |
| CGGC | CGGC domain | PF08821 | IPR014925 |
| CGI-121 | Kinase binding protein CGI-121 | PF08617 | IPR013926 |
| Cgr1 | Cgr1 family | PF03879 | IPR005579 |
| CgtA | Beta-1,4-N-acetylgalactosaminyltransferase (CgtA) | PF06306 | IPR010446 |
| CH | Calponin homology (CH) domain | PF00307 | IPR001715 |
| ChaB | ChaB | PF06150 | IPR009317 |
| ChaC | ChaC-like protein | PF04752 | IPR006840 |
| CHAD | CHAD domain | PF05235 | IPR007899 |
| Chagasin_I42 | Chagasin peptidase inhibitor I42 | PF09394 | IPR018990 |
| Chalcone | Chalcone-flavanone isomerase | PF02431 | IPR003466 |
| Chal_sti_synt_C | Chalcone and stilbene synthases, C-terminal domain | PF02797 | IPR012328 |
| Chal_sti_synt_N | Chalcone and stilbene synthases, N-terminal domain | PF00195 | IPR001099 |
| Channel_Tsx | Nucleoside-specific channel-forming protein, Tsx | PF03502 | IPR018013 |
| CHAP | CHAP domain | PF05257 | IPR007921 |
| chaperone_DMP | 20S proteasome chaperone | PF10448 | IPR018854 |
| Chaperone_III | Type III secretion chaperone domain | PF07824 | IPR013095 |
| ChAPs | ChAPs (Chs5p-Arf1p-binding proteins) | PF09295 | IPR015374 |
| CHASE | CHASE domain | PF03924 | IPR006189 |
| CHASE2 | CHASE2 domain | PF05226 | IPR007890 |
| CHASE3 | CHASE3 domain | PF05227 | IPR007891 |
| CHASE4 | CHASE4 domain | PF05228 | IPR007892 |
| CHB_HEX | Putative carbohydrate binding domain | PF03173 | IPR004866 |
| CHB_HEX_C | Chitobiase/beta-hexosaminidase C-terminal domain | PF03174 | IPR004867 |
| CHCH | CHCH domain | PF06747 | IPR010625 |
| CHD5 | CHD5-like protein | PF04420 | IPR007514 |
| CHDCT2 | CHDCT2 (NUC038) domain | PF08074 | IPR012957 |
| CHDNT | CHDNT (NUC034) domain | PF08073 | IPR012958 |
| CheB_methylest | CheB methylesterase | PF01339 | IPR000673 |
| CheC | CheC-like family | PF04509 | IPR007597 |
| CheD | CheD | PF03975 | IPR005659 |
| CheR | CheR methyltransferase, SAM binding domain | PF01739 | IPR022642 |
| CheR_N | CheR methyltransferase, all-alpha domain | PF03705 | IPR022641 |
| CheW | CheW-like domain | PF01584 | IPR002545 |
| CheY-binding | CheY binding | PF09078 | IPR015162 |
| CheZ | Chemotaxis phosphatase, CheZ | PF04344 | IPR007439 |
| CHGN | Chondroitin N-acetylgalactosaminyltransferase | PF05679 | IPR008428 |
| ChiC | Chitinase C | PF06483 | IPR009470 |
| ChitinaseA_N | Chitinase A, N-terminal domain | PF08329 | IPR013540 |
| Chitin_bind_1 | Chitin recognition protein | PF00187 | IPR001002 |
| Chitin_bind_3 | Chitin binding domain | PF03067 | IPR004302 |
| Chitin_bind_4 | Insect cuticle protein | PF00379 | IPR000618 |
| Chitin_synth_1 | Chitin synthase | PF01644 | IPR004834 |
| Chitin_synth_1N | Chitin synthase N-terminal | PF08407 | IPR013616 |
| Chitin_synth_2 | Chitin synthase | PF03142 | IPR004835 |
| Chitosanase | Fungal chitosanase | PF07335 | IPR009939 |
| CHL4 | Kinetochore protein CHL4 like | PF05238 | IPR007902 |
| ChlamPMP_M | Chlamydia polymorphic membrane protein middle domain | PF07548 | IPR011427 |
| Chlamy_scaf | Chlamydia-phage Chp2 scaffold (Chlamy_scaf) | PF09675 | IPR014131 |
| Chlam_OMP | Chlamydia major outer membrane protein | PF01308 | IPR000604 |
| Chlam_OMP3 | Chlamydia cysteine-rich outer membrane protein 3 | PF03503 | IPR003517 |
| Chlam_OMP6 | Chlamydia cysteine-rich outer membrane protein 6 | PF03504 | IPR003506 |
| Chlam_PMP | Chlamydia polymorphic membrane protein (Chlamydia_PMP) | PF02415 | IPR003368 |
| Chlam_vir | Chlamydia virulence protein PGP3-D | PF05475 | IPR008444 |
| Chloroa_b-bind | Chlorophyll A-B binding protein | PF00504 | |
| Chlorophyllase | Chlorophyllase | PF07224 | IPR010821 |
| Chlorovi_GP_rpt | Chlorovirus glycoprotein repeat | PF06598 | IPR010568 |
| Chlor_dismutase | Chlorite dismutase | PF06778 | IPR010644 |
| CHMI | 5-carboxymethyl-2-hydroxymuconate isomerase | PF02962 | IPR004220 |
| CholecysA-Rec_N | Cholecystokinin A receptor, N-terminal | PF09193 | IPR015276 |
| Choline_kinase | Choline/ethanolamine kinase | PF01633 | IPR002573 |
| Choline_kin_N | Choline kinase N terminus | PF04428 | IPR007521 |
| Chol_subst-bind | Cholesterol oxidase, substrate-binding | PF09129 | IPR015213 |
| Chon_Sulph_att | Chondroitin sulphate attachment domain | PF06566 | IPR010555 |
| CHORD | CHORD | PF04968 | IPR007051 |
| Chordopox_A13L | Chordopoxvirus A13L protein | PF05961 | IPR009236 |
| Chordopox_A15 | Chordopoxvirus A15 protein | PF05846 | IPR008445 |
| Chordopox_A20R | Chordopoxvirus A20R protein | PF05941 | IPR010267 |
| Chordopox_A30L | Chordopoxvirus A30L protein | PF06015 | IPR009257 |
| Chordopox_A33R | Chordopoxvirus A33R protein | PF05966 | IPR009238 |
| Chordopox_A35R | Chordopoxvirus A35R protein | PF05989 | IPR009247 |
| Chordopox_E11 | Chordopoxvirus E11 protein | PF06138 | IPR009201 |
| Chordopox_G2 | Chordopoxvirus protein G2 | PF05796 | IPR008446 |
| Chordopox_G3 | Chordopoxvirus G3 protein | PF06129 | IPR010367 |
| Chordopox_L2 | Chordopoxvirus L2 protein | PF05803 | IPR008447 |
| Chordopox_RPO7 | Chordopoxvirus DNA-directed RNA polymerase 7 kDa polypeptide (RPO7) | PF05864 | IPR008448 |
| Chorion_1 | Chorion protein | PF01723 | IPR002635 |
| Chorion_2 | Chorion family 2 | PF03964 | IPR005649 |
| Chorion_3 | Chorion family 3 | PF05387 | |
| Chorion_S16 | Chorion protein S16 | PF05836 | IPR008450 |
| Chorismate_bind | chorismate binding enzyme | PF00425 | IPR015890 |
| Chorismate_synt | Chorismate synthase | PF01264 | IPR000453 |
| Chor_lyase | Chorismate lyase | PF04345 | IPR007440 |
| ChpXY | CO2 hydration protein (ChpXY) | PF10216 | IPR010220 |
| CHRD | CHRD domain | PF07452 | IPR010895 |
| Chromadorea_ALT | Chromadorea ALT protein | PF05535 | IPR008451 |
| Chromate_transp | Chromate transporter | PF02417 | IPR003370 |
| Chrome_Resist | Chromate resistance exported protein | PF09828 | IPR018634 |
| Chromo | 'chromo' (CHRromatin Organisation MOdifier) domain | PF00385 | IPR000953 |
| Chromo_shadow | Chromo shadow domain | PF01393 | IPR008251 |
| Churchill | Churchill protein | PF06573 | IPR009508 |
| ChW | Clostridial hydrophobic W | PF07538 | IPR006637 |
| CHZ | Histone chaperone domain CHZ | PF09649 | IPR019098 |
| CI-B14_5a | NADH:ubiquinone oxidoreductase subunit B14.5a (Complex I-B14.5a) | PF07347 | IPR009947 |
| CIA30 | Complex I intermediate-associated protein 30 (CIA30) | PF08547 | IPR013857 |
| Cid2 | Caffeine-induced death protein 2 | PF09774 | IPR019171 |
| CIDE-N | CIDE-N domain | PF02017 | IPR003508 |
| cIII | cIII protein family | PF08134 | IPR012995 |
| CIMR | Cation-independent mannose-6-phosphate receptor repeat | PF00878 | IPR000479 |
| CinA | Competence-damaged protein | PF02464 | IPR008136 |
| Circo_capsid | Circovirus capsid protein | PF02443 | IPR003383 |
| Cir_Bir_Yir | Plasmodium variant antigen protein Cir/Yir/Bir | PF06022 | IPR006477 |
| Cir_N | N-terminal domain of CBF1 interacting co-repressor CIR | PF10197 | IPR019339 |
| CitD | Citrate lyase, gamma subunit | PF04953 | |
| CITED | CITED | PF04487 | IPR007576 |
| CitF | Citrate lyase, alpha subunit (CitF) | PF04223 | IPR006472 |
| CitG | ATP:dephospho-CoA triphosphoribosyl transferase | PF01874 | IPR002736 |
| CitMHS | Citrate transporter | PF03600 | IPR004680 |
| Citrate_ly_lig | Citrate lyase ligase C-terminal domain | PF08218 | IPR013166 |
| Citrate_synt | Citrate synthase | PF00285 | IPR002020 |
| Citrus_P18 | Citrus tristeza virus P18 protein | PF05520 | IPR008452 |
| CitX | Apo-citrate lyase phosphoribosyl-dephospho-CoA transferase | PF03802 | IPR005551 |
| CKS | Cyclin-dependent kinase regulatory subunit | PF01111 | IPR000789 |
| CK_II_beta | Casein kinase II regulatory subunit | PF01214 | IPR000704 |
| CLAG | Cytoadherence-linked asexual protein | PF03805 | IPR005553 |
| Class_IIIsignal | Class III signal peptide | PF04021 | IPR007166 |
| Clathrin | Region in Clathrin and VPS | PF00637 | |
| Clathrin-link | Clathrin, heavy-chain linker | PF09268 | IPR015348 |
| Clathrin_lg_ch | Clathrin light chain | PF01086 | IPR000996 |
| Clathrin_propel | Clathrin propeller repeat | PF01394 | IPR022365 |
| Clat_adaptor_s | Clathrin adaptor complex small chain | PF01217 | |
| Clavanin | Clavanin | PF05452 | IPR008453 |
| Clc-like | Clc-like | PF07062 | IPR010761 |
| CLCA_N | Calcium-activated chloride channel | PF08434 | IPR013642 |
| Cleaved_Adhesin | Cleaved Adhesin Domain | PF07675 | IPR011628 |
| Clenterotox | Clostridium enterotoxin | PF03505 | IPR003897 |
| CLN3 | CLN3 protein | PF02487 | IPR003492 |
| Cloacin | Cloacin | PF03515 | IPR003058 |
| Cloacin_immun | Cloacin immunity protein | PF03513 | IPR003063 |
| Closter_coat | Closterovirus coat protein | PF01785 | IPR002679 |
| Clostridium_P47 | Clostridium P-47 protein | PF06597 | IPR010567 |
| Clp1 | Pre-mRNA cleavage complex II protein Clp1 | PF06807 | IPR010655 |
| ClpB_D2-small | C-terminal, D2-small domain, of ClpB protein | PF10431 | IPR019489 |
| ClpS | ATP-dependent Clp protease adaptor protein ClpS | PF02617 | IPR003769 |
| CLPTM1 | Cleft lip and palate transmembrane protein 1 (CLPTM1) | PF05602 | IPR008429 |
| Clp_N | Clp amino terminal domain | PF02861 | IPR004176 |
| CLP_protease | Clp protease | PF00574 | IPR001907 |
| Clr2 | Transcription-silencing protein Clr2 | PF10383 | IPR018839 |
| Cluap1 | Clusterin-associated protein-1 | PF10234 | IPR019366 |
| Clusterin | Clusterin | PF01093 | IPR000753 |
| CM1 | Influenza C virus M1 protein | PF03026 | IPR004271 |
| CM2 | Influenza C virus M2 protein | PF03021 | IPR004267 |
| CMAS | Cyclopropane-fatty-acyl-phospholipid synthase | PF02353 | IPR003333 |
| Cmc1 | Cytochrome c oxidase biogenesis protein Cmc1 like | PF08583 | IPR013892 |
| CmcH_NodU | Carbamoyltransferase | PF02543 | IPR003696 |
| CmcI | Cephalosporin hydroxylase | PF04989 | IPR007072 |
| CMD | Carboxymuconolactone decarboxylase family | PF02627 | IPR003779 |
| CMV_US | CMV US | PF08001 | IPR012536 |
| Cmyb_C | C-myb, C-terminal | PF09316 | IPR015395 |
| CM_1 | Chorismate mutase type I | PF07736 | IPR008243 |
| CM_2 | Chorismate mutase type II | PF01817 | IPR020822 |
| Cm_res_leader | Chloramphenicol resistance gene leader peptide | PF08077 | IPR012537 |
| Cna_B | Cna protein B-type domain | PF05738 | IPR008454 |
| CNF1 | Rho-activating domain of cytotoxic necrotizing factor | PF05785 | IPR008430 |
| CNH | CNH domain | PF00780 | IPR001180 |
| Cnl2_NKP2 | Cnl2/NKP2 family protein | PF09447 | IPR018565 |
| cNMP_binding | Cyclic nucleotide-binding domain | PF00027 | IPR000595 |
| CNP1 | CNP1-like family | PF08750 | IPR014861 |
| CNPase | 2',3'-cyclic nucleotide 3'-phosphodiesterase (CNP or CNPase) | PF05881 | IPR008431 |
| CNTF | Ciliary neurotrophic factor | PF01110 | IPR000151 |
| CN_hydrolase | Carbon-nitrogen hydrolase | PF00795 | IPR003010 |
| CoaE | Dephospho-CoA kinase | PF01121 | IPR001977 |
| Coagulase | Staphylococcus aureus coagulase | PF08764 | IPR014874 |
| Coagulin | Coagulin | PF02035 | IPR000275 |
| Coatamer_beta_C | Coatamer beta C-terminal region | PF07718 | IPR011710 |
| CoatB | Bacteriophage coat protein B | PF10389 | IPR019463 |
| Coatomer_E | Coatomer epsilon subunit | PF04733 | IPR006822 |
| Coatomer_WDAD | Coatomer WD associated region | PF04053 | IPR006692 |
| Coat_F | Coat F domain | PF07875 | IPR012851 |
| Coat_X | Spore Coat Protein X and V domain | PF07552 | IPR011428 |
| CoA_binding | CoA binding domain | PF02629 | IPR003781 |
| CoA_trans | Coenzyme A transferase | PF01144 | IPR004165 |
| CoA_transf_3 | CoA-transferase family III | PF02515 | IPR003673 |
| Cobalamin_bind | Eukaryotic cobalamin-binding protein | PF01122 | IPR002157 |
| CobA_CobO_BtuR | ATP:corrinoid adenosyltransferase BtuR/CobO/CobP | PF02572 | IPR003724 |
| CobD_Cbib | CobD/Cbib protein | PF03186 | IPR004485 |
| Cobl | Cordon-bleu domain | PF09469 | IPR019025 |
| CobN-Mg_chel | CobN/Magnesium Chelatase | PF02514 | IPR003672 |
| COBRA | COBRA-like protein | PF04833 | IPR006918 |
| COBRA1 | Cofactor of BRCA1 (COBRA1) | PF06209 | IPR010405 |
| CobS | Cobalamin-5-phosphate synthase | PF02654 | IPR003805 |
| CobT | Cobalamin biosynthesis protein CobT | PF06213 | IPR006538 |
| CobU | Cobinamide kinase / cobinamide phosphate guanyltransferase | PF02283 | IPR003203 |
| cobW | CobW/HypB/UreG, nucleotide-binding domain | PF02492 | IPR003495 |
| CobW_C | Cobalamin synthesis protein cobW C-terminal domain | PF07683 | IPR011629 |
| Cob_adeno_trans | Cobalamin adenosyltransferase | PF01923 | IPR002779 |
| CodY | CodY GAF-like domain | PF06018 | IPR010312 |
| COesterase | Carboxylesterase | PF00135 | IPR002018 |
| Cofilin_ADF | Cofilin/tropomyosin-type actin-binding protein | PF00241 | IPR002108 |
| COG2 | COG (conserved oligomeric Golgi) complex component, COG2 | PF06148 | IPR009316 |
| COG4 | COG4 transport protein | PF08318 | IPR013167 |
| COG5 | Golgi transport complex subunit 5 | PF10392 | IPR019465 |
| COG6 | Conserved oligomeric complex COG6 | PF06419 | IPR010490 |
| COG7 | Golgi complex component 7 (COG7) | PF10191 | IPR019335 |
| Cohesin | Cohesin domain | PF00963 | IPR002102 |
| Cohesin_load | Cohesin loading factor | PF10345 | IPR019440 |
| CoiA | Competence protein CoiA-like family | PF06054 | IPR010330 |
| Coiled | Coiled coil | PF05710 | IPR008455 |
| Coiled-coil_56 | Coiled-coil domain-containing protein 56 | PF09813 | IPR018628 |
| Coil_helix | Coiled-coil-helix-coiled-coil-helix domain-containing protein 1 | PF09800 | |
| Coleoptericin | Coleoptericin | PF06286 | IPR009382 |
| COLFI | Fibrillar collagen C-terminal domain | PF01410 | IPR000885 |
| Colicin | Colicin pore forming domain | PF01024 | IPR000293 |
| ColicinD | Colicin D | PF09204 | IPR015287 |
| Colicin_im | Colicin immunity protein | PF03857 | IPR005557 |
| Colicin_Pyocin | Colicin immunity protein / pyocin immunity protein | PF01320 | IPR000290 |
| Colicin_V | Colicin V production protein | PF02674 | IPR003825 |
| Colipase | Colipase, N-terminal domain | PF01114 | IPR017913 |
| Colipase_C | Colipase, C-terminal domain | PF02740 | IPR017914 |
| Collagen | Collagen triple helix repeat (20 copies) | PF01391 | IPR008160 |
| Collagen_bind | Collagen binding domain | PF05737 | IPR008456 |
| Collar | Phage Tail Collar Domain | PF07484 | IPR011083 |
| Col_cuticle_N | Nematode cuticle collagen N-terminal domain | PF01484 | IPR002486 |
| ComA | (2R)-phospho-3-sulfolactate synthase (ComA) | PF02679 | IPR003830 |
| ComC | COMC family | PF03047 | IPR004288 |
| ComFB | Late competence development protein ComFB | PF10719 | IPR019657 |
| ComK | ComK protein | PF06338 | IPR010461 |
| Como_LCP | Large coat protein | PF02247 | IPR003181 |
| Como_SCP | Small coat protein | PF02248 | IPR003182 |
| Competence | Competence protein | PF03772 | IPR004477 |
| Complex1_24kDa | Respiratory-chain NADH dehydrogenase 24 Kd subunit | PF01257 | IPR002023 |
| Complex1_30kDa | Respiratory-chain NADH dehydrogenase, 30 Kd subunit | PF00329 | IPR001268 |
| Complex1_49kDa | Respiratory-chain NADH dehydrogenase, 49 Kd subunit | PF00346 | IPR001135 |
| Complex1_51K | Respiratory-chain NADH dehydrogenase 51 Kd subunit | PF01512 | IPR011538 |
| Complex1_LYR | Complex 1 protein (LYR family) | PF05347 | IPR008011 |
| ComX | Bacillus competence pheromone ComX | PF05952 | IPR009233 |
| Con-6 | Conidiation protein 6 | PF10346 | IPR018824 |
| Condensation | Condensation domain | PF00668 | IPR001242 |
| Connexin | Connexin | PF00029 | IPR013092 |
| Connexin43 | Gap junction alpha-1 protein (Cx43) | PF03508 | IPR013124 |
| Connexin50 | Gap junction alpha-8 protein (Cx50) | PF03509 | IPR002266 |
| Connexin_CCC | Gap junction channel protein cysteine-rich domain | PF10582 | IPR019570 |
| Conotoxin | Conotoxin | PF02950 | IPR004214 |
| Cons_hypoth698 | Conserved hypothetical protein 698 | PF03601 | IPR018383 |
| Cons_hypoth95 | Conserved hypothetical protein 95 | PF03602 | IPR004398 |
| CopB | Copper resistance protein B precursor (CopB) | PF05275 | IPR007939 |
| CopC | Copper resistance protein CopC | PF04234 | IPR007348 |
| CopD | Copper resistance protein D | PF05425 | IPR008457 |
| Copine | Copine | PF07002 | IPR010734 |
| COPI_assoc | COPI associated protein | PF08507 | IPR013714 |
| COPI_C | Coatomer (COPI) alpha subunit C-terminus | PF06957 | IPR010714 |
| Copper-bind | Copper binding proteins, plastocyanin/azurin family | PF00127 | IPR000923 |
| Copper-fist | Copper fist DNA binding domain | PF00649 | IPR001083 |
| Coprinus_mating | Coprinus cinereus mating-type protein | PF05920 | IPR008422 |
| Coprogen_oxidas | Coproporphyrinogen III oxidase | PF01218 | IPR001260 |
| Coq4 | Coenzyme Q (ubiquinone) biosynthesis protein Coq4 | PF05019 | IPR007715 |
| COQ7 | Ubiquinone biosynthesis protein COQ7 | PF03232 | IPR011566 |
| COQ9 | COQ9 | PF08511 | IPR013718 |
| Cor1 | Cor1/Xlr/Xmr conserved region | PF04803 | IPR006888 |
| CorA | CorA-like Mg2+ transporter protein | PF01544 | IPR002523 |
| CorC_HlyC | Transporter associated domain | PF03471 | IPR005170 |
| Cornichon | Cornichon protein | PF03311 | IPR003377 |
| Cornifin | Cornifin (SPRR) family | PF02389 | IPR003302 |
| Coronavirus_5 | Coronavirus gene 5 protein | PF05528 | IPR008458 |
| Coronavirus_NS4 | Coronavirus nonstructural protein 4 | PF05780 | |
| Corona_3 | Coronavirus ORF3 protein | PF04694 | IPR006784 |
| Corona_5a | Coronavirus 5a protein | PF06336 | IPR009404 |
| Corona_6B_7B | Coronavirus 6B/7B protein | PF03262 | IPR004945 |
| Corona_7 | Coronavirus protein 7 | PF02398 | IPR003449 |
| Corona_I | Corona nucleocapsid I protein | PF03187 | IPR004876 |
| Corona_M | Coronavirus M matrix/glycoprotein | PF01635 | IPR002574 |
| Corona_NS1 | Coronavirus nonstructural protein NS1 | PF06145 | IPR009314 |
| Corona_NS2 | Coronavirus non-structural protein NS2 | PF04753 | IPR006841 |
| Corona_NS2A | Coronavirus NS2A protein | PF05213 | |
| Corona_NS3b | ORF3b coronavirus protein | PF03053 | IPR004293 |
| Corona_NS4 | Coronavirus non-structural protein NS4 | PF03905 | IPR005603 |
| Corona_nucleoca | Coronavirus nucleocapsid protein | PF00937 | IPR001218 |
| Corona_RPol_N | Coronavirus RPol N-terminus | PF06478 | IPR009469 |
| Corona_S1 | Coronavirus S1 glycoprotein | PF01600 | IPR002551 |
| Corona_S2 | Coronavirus S2 glycoprotein | PF01601 | IPR002552 |
| CortBP2 | Cortactin-binding protein-2 | PF09727 | IPR019131 |
| Cortex-I_coil | Cortexillin I, coiled coil | PF09304 | IPR015383 |
| CotE | Outer spore coat protein E (CotE) | PF10628 | IPR018901 |
| CotH | CotH protein | PF08757 | IPR014867 |
| COX1 | Cytochrome C and Quinol oxidase polypeptide I | PF00115 | IPR000883 |
| COX15-CtaA | Cytochrome oxidase assembly protein | PF02628 | IPR003780 |
| COX17 | Cytochrome C oxidase copper chaperone (COX17) | PF05051 | IPR007745 |
| COX2 | Cytochrome C oxidase subunit II, periplasmic domain | PF00116 | IPR002429 |
| COX2-transmemb | Cytochrome C oxidase subunit II, transmembrane | PF09125 | IPR015209 |
| COX2_TM | Cytochrome C oxidase subunit II, transmembrane domain | PF02790 | IPR011759 |
| COX3 | Cytochrome c oxidase subunit III | PF00510 | IPR000298 |
| COX4 | Cytochrome c oxidase subunit IV | PF02936 | IPR004203 |
| COX4_pro | Prokaryotic Cytochrome C oxidase subunit IV | PF03626 | IPR005171 |
| COX4_pro_2 | Bacterial aa3 type cytochrome c oxidase subunit IV | PF07835 | IPR012422 |
| COX5A | Cytochrome c oxidase subunit Va | PF02284 | IPR003204 |
| COX5B | Cytochrome c oxidase subunit Vb | PF01215 | IPR002124 |
| COX5C | Cytochrome c oxidase subunit Vc (COX5C) | PF05799 | IPR008432 |
| COX6A | Cytochrome c oxidase subunit VIa | PF02046 | IPR001349 |
| COX6B | Cytochrome oxidase c subunit VIb | PF02297 | IPR003213 |
| COX6C | Cytochrome c oxidase subunit VIc | PF02937 | IPR004204 |
| COX7a | Cytochrome c oxidase subunit VIIa | PF02238 | IPR003177 |
| COX7B | Cytochrome C oxidase chain VIIB | PF05392 | IPR008433 |
| COX7C | Cytochrome c oxidase subunit VIIc | PF02935 | |
| COX8 | Cytochrome oxidase c subunit VIII | PF02285 | IPR003205 |
| COX9 | Cytochrome c oxidase subunit COX9 | PF09576 | IPR014368 |
| COXG | Carbon monoxide dehydrogenase subunit G (CoxG) | PF06240 | IPR010419 |
| CoxIIa | Cytochrome c oxidase subunit IIa family | PF08113 | IPR012538 |
| COX_ARM | COX Aromatic Rich Motif | PF06481 | IPR010514 |
| CO_deh_flav_C | CO dehydrogenase flavoprotein C-terminal domain | PF03450 | IPR005107 |
| CO_dh | CO dehydrogenase beta subunit/acetyl-CoA synthase epsilon subunit | PF02552 | IPR003704 |
| CP12 | CP12 domain | PF02672 | IPR003823 |
| CP2 | CP2 transcription factor | PF04516 | IPR007604 |
| CpcD | CpcD/allophycocyanin linker domain | PF01383 | IPR008213 |
| CPDase | Cyclic phosphodiesterase-like protein | PF07823 | IPR012386 |
| CpeS | CpeS-like protein | PF09367 | IPR018536 |
| CPL | CPL (NUC119) domain | PF08144 | IPR012959 |
| Cpl-7 | Cpl-7 lysozyme C-terminal domain | PF08230 | IPR013168 |
| Cpn10 | Chaperonin 10 Kd subunit | PF00166 | IPR020818 |
| Cpn60_TCP1 | TCP-1/cpn60 chaperonin family | PF00118 | IPR002423 |
| Cps15 | Chromatin remodelling complex component cps15 | PF05205 | |
| CPSase_L_chain | Carbamoyl-phosphate synthase L chain, N-terminal domain | PF00289 | IPR005481 |
| CPSase_L_D2 | Carbamoyl-phosphate synthase L chain, ATP binding domain | PF02786 | IPR005479 |
| CPSase_L_D3 | Carbamoyl-phosphate synthetase large chain, oligomerisation domain | PF02787 | IPR005480 |
| CPSase_sm_chain | Carbamoyl-phosphate synthase small chain, CPSase domain | PF00988 | IPR002474 |
| CPSF_A | CPSF A subunit region | PF03178 | IPR004871 |
| CPT | Chloramphenicol phosphotransferase-like protein | PF07931 | IPR012853 |
| CPW_WPC | Plasmodium falciparum domain of unknown function (CPW_WPC) | PF09717 | IPR006387 |
| CR6_interact | Growth arrest and DNA-damage-inducible proteins-interacting protein 1 | PF10147 | IPR018472 |
| CRA | Circumsporozoite-related antigen (CRA) | PF06589 | IPR009512 |
| CRAL_TRIO | CRAL/TRIO domain | PF00650 | IPR001251 |
| CRAL_TRIO_N | CRAL/TRIO, N-terminus | PF03765 | IPR008273 |
| CRAM_rpt | Cysteine-rich, acidic integral membrane protein precursor (CRAM) repeat | PF07016 | IPR009745 |
| CRA_rpt | Cytoplasmic repetitive antigen (CRA) like repeat | PF07046 | IPR009761 |
| CRCB | CrcB-like protein | PF02537 | IPR003691 |
| CRC_subunit | Chromatin remodelling complex subunit | PF08624 | IPR013933 |
| CreA | CreA protein | PF05981 | IPR010292 |
| Creatinase_N | Creatinase/Prolidase N-terminal domain | PF01321 | IPR000587 |
| Creatininase | Creatinine amidohydrolase | PF02633 | IPR003785 |
| Creb_binding | Creb binding | PF09030 | IPR014744 |
| CreD | Inner membrane protein CreD | PF06123 | IPR010364 |
| CReP_N | eIF2-alpha phosphatase phosphorylation constitutive repressor | PF10472 | IPR019512 |
| CRF | Corticotropin-releasing factor family | PF00473 | IPR000187 |
| CRF-BP | Corticotropin-releasing factor binding protein (CRF-BP) | PF05428 | IPR008435 |
| CRF1 | Transcription factor CRF1 | PF10380 | IPR018837 |
| CRIC_ras_sig | Connector enhancer of kinase suppressor of ras | PF10534 | IPR019555 |
| Crinivirus_P26 | Crinivirus P26 protein | PF07416 | IPR009985 |
| Cript | Microtubule-associated protein CRIPT | PF10235 | IPR019367 |
| Crisp | Crisp | PF08562 | IPR013871 |
| CRISPR_assoc | CRISPR associated protein | PF08798 | IPR010179 |
| CRISPR_Cas2 | CRISPR associated protein Cas2 | PF09827 | IPR019199 |
| CRISPR_Cse1 | CRISPR-associated protein Cse1 (CRISPR_cse1) | PF09481 | IPR013381 |
| CRISPR_Cse2 | CRISPR-associated protein Cse2 (CRISPR_cse2) | PF09485 | IPR013382 |
| Crl | Transcriptional regulator Crl | PF07417 | IPR009986 |
| CRM1_C | CRM1 C terminal | PF08767 | IPR014877 |
| Cro | Cro | PF09048 | IPR000655 |
| Crp | Bacterial regulatory proteins, crp family | PF00325 | IPR001808 |
| CRPA | Chlamydia 15 kDa cysteine-rich outer membrane protein (CRPA) | PF05745 | IPR008436 |
| CRPV_capsid | CRPV capsid protein like | PF08762 | IPR014872 |
| CRS1_YhbY | CRS1 / YhbY (CRM) domain | PF01985 | IPR001890 |
| CRT-like | CRT-like | PF08627 | IPR013936 |
| CRT10 | CRT10 | PF08728 | IPR014839 |
| CrtC | Hydroxyneurosporene synthase (CrtC) | PF07143 | IPR010791 |
| Crust_neurohorm | Crustacean CHH/MIH/GIH neurohormone family | PF01147 | IPR001166 |
| Crust_neuro_H | Crustacean neurohormone H | PF03858 | IPR005558 |
| CryBP1 | CryBP1 protein | PF07029 | IPR009751 |
| Crystall | Beta/Gamma crystallin | PF00030 | IPR001064 |
| Crystallin | Alpha crystallin A chain, N terminal | PF00525 | IPR003090 |
| CS | CS domain | PF04969 | IPR017447 |
| CsbD | CsbD-like | PF05532 | IPR008462 |
| CSD | 'Cold-shock' DNA-binding domain | PF00313 | IPR002059 |
| Cse1 | Cse1 | PF08506 | IPR013713 |
| CSE2 | RNA polymerase II transcription mediator | PF07544 | IPR011425 |
| CSF-1 | Macrophage colony stimulating factor-1 (CSF-1) | PF05337 | IPR008001 |
| CsgE | Curli assembly protein CsgE | PF10627 | IPR018900 |
| CsgG | Curli production assembly/transport component CsgG | PF03783 | IPR005534 |
| CsiD | CsiD | PF08943 | IPR015038 |
| CsoSCA | Carboxysome Shell Carbonic Anhydrase | PF08936 | IPR014074 |
| CsrA | Global regulator protein family | PF02599 | IPR003751 |
| CST-I | Alpha-2,3-sialyltransferase (CST-I) | PF06002 | IPR009251 |
| CstA | Carbon starvation protein CstA | PF02554 | IPR003706 |
| CT20 | CT20 family | PF07904 | IPR012423 |
| CtaG_Cox11 | Cytochrome c oxidase assembly protein CtaG / Cox11 | PF04442 | IPR007533 |
| Ctf8 | Ctf8 | PF09696 | IPR018607 |
| CTF_NFI | CTF/NF-I family transcription modulation region | PF00859 | IPR000647 |
| CTI | Fatty acid cis/trans isomerase (CTI) | PF06934 | IPR010706 |
| CtIP_N | Tumour-suppressor protein CtIP N-terminal domain | PF10482 | IPR019518 |
| CtnDOT_TraJ | Homologues of TraJ from Bacteroides conjugative transposon | PF07863 | IPR012424 |
| CTNNB1_binding | N-terminal CTNNB1 binding | PF08347 | IPR013558 |
| CTP-dep_RFKase | Domain of unknown function DUF120 | PF01982 | IPR002834 |
| CTP_synth_N | CTP synthase N-terminus | PF06418 | IPR017456 |
| CTP_transf_1 | Cytidylyltransferase family | PF01148 | IPR000374 |
| CTP_transf_2 | Cytidylyltransferase | PF01467 | IPR004820 |
| CTP_transf_3 | Cytidylyltransferase | PF02348 | IPR003329 |
| Ctr | Ctr copper transporter family | PF04145 | IPR007274 |
| CtsR | Firmicute transcriptional repressor of class III stress genes (CtsR) | PF05848 | IPR008463 |
| CTV_P13 | Citrus tristeza virus P13 protein | PF06922 | IPR009692 |
| CTV_P23 | Citrus tristeza virus (CTV) P23 protein | PF04808 | IPR006893 |
| CTV_P33 | Citrus tristeza virus P33 protein | PF07184 | IPR010803 |
| CTV_P6 | Citrus tristeza virus 6-kDa protein | PF06706 | IPR009584 |
| CTX_RstB | CTX phage RstB protein | PF07459 | IPR010008 |
| Cu-oxidase | Multicopper oxidase | PF00394 | IPR001117 |
| Cu-oxidase_2 | Multicopper oxidase | PF07731 | IPR011706 |
| Cu-oxidase_3 | Multicopper oxidase | PF07732 | IPR011707 |
| Cu-oxidase_4 | Multi-copper polyphenol oxidoreductase laccase | PF02578 | IPR003730 |
| Cu2_monooxygen | Copper type II ascorbate-dependent monooxygenase, N-terminal domain | PF01082 | IPR000323 |
| Cu2_monoox_C | Copper type II ascorbate-dependent monooxygenase, C-terminal domain | PF03712 | |
| CUB | CUB domain | PF00431 | IPR000859 |
| CUB_2 | CUB-like domain | PF02408 | IPR003366 |
| Cucumo_2B | Cucumovirus protein 2B | PF03263 | IPR004946 |
| Cucumo_coat | Cucumovirus coat protein | PF00760 | IPR000247 |
| CUE | CUE domain | PF02845 | IPR003892 |
| Cullin | Cullin family | PF00888 | IPR001373 |
| Cullin_Nedd8 | Cullin protein neddylation domain | PF10557 | IPR019559 |
| Cupin_1 | Cupin | PF00190 | IPR006045 |
| Cupin_2 | Cupin domain | PF07883 | IPR013096 |
| Cupin_3 | Protein of unknown function (DUF861) | PF05899 | IPR008579 |
| Cupin_4 | Cupin superfamily protein | PF08007 | |
| Cupin_5 | Cupin superfamily (DUF985) | PF06172 | IPR009327 |
| Curlin_rpt | Curlin associated repeat | PF07012 | IPR009742 |
| Curto_V2 | Curtovirus V2 protein | PF07325 | IPR009931 |
| Curto_V3 | Curtovirus V3 protein | PF07436 | IPR009997 |
| CUT | CUT domain | PF02376 | IPR003350 |
| Cut8 | Cut8 | PF08559 | IPR013868 |
| CutA1 | CutA1 divalent ion tolerance protein | PF03091 | IPR004323 |
| CutC | CutC family | PF03932 | IPR005627 |
| Cuticle_1 | Crustacean cuticle protein repeat | PF08140 | IPR012539 |
| Cuticle_2 | Cuticle protein 7 isoform family | PF08184 | IPR012540 |
| Cutinase | Cutinase | PF01083 | IPR000675 |
| Cu_amine_oxid | Copper amine oxidase, enzyme domain | PF01179 | IPR015798 |
| Cu_amine_oxidN1 | Copper amine oxidase N-terminal domain | PF07833 | IPR012854 |
| Cu_amine_oxidN2 | Copper amine oxidase, N2 domain | PF02727 | IPR015800 |
| Cu_amine_oxidN3 | Copper amine oxidase, N3 domain | PF02728 | IPR015802 |
| Cu_bind_like | Plastocyanin-like domain | PF02298 | IPR003245 |
| CVNH | CVNH domain | PF08881 | IPR011058 |
| Cw-hydrolase | Cell wall-associated hydrolase | PF10695 | IPR019636 |
| cwf18 | cwf18 pre-mRNA splicing factor | PF08315 | IPR013169 |
| cwf21 | cwf21 | PF08312 | IPR013170 |
| CwfJ_C_1 | Protein similar to CwfJ C-terminus 1 | PF04677 | IPR006768 |
| CwfJ_C_2 | Protein similar to CwfJ C-terminus 2 | PF04676 | IPR006767 |
| Cwf_Cwc_15 | Cwf15/Cwc15 cell cycle control protein | PF04889 | IPR006973 |
| CW_binding_1 | Putative cell wall binding repeat | PF01473 | IPR002479 |
| CW_binding_2 | Putative cell wall binding repeat 2 | PF04122 | IPR007253 |
| CX | CX module | PF01705 | IPR002619 |
| CXC | Tesmin/TSO1-like CXC domain | PF03638 | IPR005172 |
| CXCXC | CXCXC repeat | PF03128 | |
| CxxC_CxxC_SSSS | Putative regulatory protein (CxxC_CxxC_SSSS) | PF09723 | IPR013429 |
| Cyanate_lyase | Cyanate lyase C-terminal domain | PF02560 | IPR003712 |
| CybS | CybS | PF05328 | IPR007992 |
| Cyc-maltodext_C | Cyclo-malto-dextrinase C-terminal domain | PF10438 | IPR019492 |
| Cyc-maltodext_N | Cyclomaltodextrinase, N-terminal | PF09087 | IPR015171 |
| Cyclase | Putative cyclase | PF04199 | IPR007325 |
| Cyclase_polyket | Polyketide synthesis cyclase | PF04673 | IPR006765 |
| Cyclin | Cyclin | PF08613 | IPR013922 |
| Cyclin_C | Cyclin, C-terminal domain | PF02984 | IPR004367 |
| Cyclin_N | Cyclin, N-terminal domain | PF00134 | IPR006671 |
| Cyclotide | Cyclotide family | PF03784 | IPR005535 |
| Cyd_oper_YbgE | Cyd operon protein YbgE (Cyd_oper_YbgE) | PF09600 | IPR011846 |
| Cypo_polyhedrin | Cypovirus polyhedrin protein | PF05865 | IPR008464 |
| CysG_dimeriser | Sirohaem synthase dimerisation region | PF10414 | IPR019478 |
| Cystatin | Cystatin domain | PF00031 | IPR000010 |
| Cys_knot | Cystine-knot domain | PF00007 | IPR006208 |
| Cys_Met_Meta_PP | Cys/Met metabolism PLP-dependent enzyme | PF01053 | IPR000277 |
| Cys_rich_FGFR | Cysteine rich repeat | PF00839 | IPR001893 |
| Cyt-b5 | Cytochrome b5-like Heme/Steroid binding domain | PF00173 | IPR001199 |
| Cytadhesin_P30 | Cytadhesin P30/P32 | PF07271 | IPR009896 |
| CytB6-F_Fe-S | Cytochrome B6-F complex Fe-S subunit | PF08802 | IPR014909 |
| CYTH | CYTH domain | PF01928 | IPR008172 |
| Cytidylate_kin | Cytidylate kinase | PF02224 | IPR011994 |
| CytochromB561_N | Cytochrome B561, N terminal | PF09786 | IPR019176 |
| Cytochrome-c551 | Photosystem P840 reaction-centre cytochrome c-551 | PF10643 | IPR019604 |
| Cytochrom_B558a | Cytochrome Cytochrome b558 alpha-subunit | PF05038 | IPR007732 |
| Cytochrom_B559 | Cytochrome b559, alpha (gene psbE) and beta (gene psbF)subunits | PF00283 | IPR013081 |
| Cytochrom_B559a | Lumenal portion of Cytochrome b559, alpha (gene psbE) subunit | PF00284 | IPR013082 |
| Cytochrom_B561 | Eukaryotic cytochrome b561 | PF03188 | IPR004877 |
| Cytochrom_B562 | Cytochrome b562 | PF07361 | IPR009155 |
| Cytochrom_B_C | Cytochrome b(C-terminal)/b6/petD | PF00032 | IPR005798 |
| Cytochrom_B_N | Cytochrome b(N-terminal)/b6/petB | PF00033 | IPR005797 |
| Cytochrom_C | Cytochrome c | PF00034 | IPR003088 |
| Cytochrom_C1 | Cytochrome C1 family | PF02167 | IPR002326 |
| Cytochrom_C552 | Cytochrome c552 | PF02335 | IPR003321 |
| Cytochrom_CIII | Class III cytochrome C family | PF02085 | IPR020942 |
| Cytochrom_C_2 | Cytochrome C' | PF01322 | IPR002321 |
| Cytochrom_C_asm | Cytochrome C assembly protein | PF01578 | IPR002541 |
| Cytochrom_D1 | Cytochrome D1 heme domain | PF02239 | |
| Cytochrom_NNT | NapC/NirT cytochrome c family, N-terminal region | PF03264 | IPR005126 |
| CytoC_RC | Photosynthetic reaction centre cytochrome C subunit | PF02276 | IPR003158 |
| Cytokin-bind | Cytokinin dehydrogenase 1, FAD and cytokinin binding | PF09265 | IPR015345 |
| Cytokin_check_N | Cdc14 phosphatase binding protein N-terminus | PF10407 | IPR018844 |
| Cytomega_gL | Cytomegalovirus glycoprotein L | PF01801 | IPR002689 |
| Cytomega_TRL10 | Cytomegalovirus TRL10 protein | PF06084 | IPR009284 |
| Cytomega_UL20A | Cytomegalovirus UL20A protein | PF05984 | IPR009245 |
| Cytomega_UL84 | Cytomegalovirus UL84 protein | PF06284 | IPR010436 |
| Cytomega_US3 | Cytomegalovirus US3 protein | PF05963 | IPR009237 |
| Cytotoxic | Cytotoxic | PF09000 | IPR009105 |
| Cyto_heme_lyase | Cytochrome c/c1 heme lyase | PF01265 | IPR000511 |
| Cyto_ox_2 | Cytochrome oxidase subunit II | PF02322 | IPR003317 |
| C_GCAxxG_C_C | Putative redox-active protein (C_GCAxxG_C_C) | PF09719 | IPR010181 |
| C_tripleX | Cysteine rich repeat | PF02363 | IPR003341 |