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Numbers 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
AccessionPfam codeDescription
PF15617C-C_Bond_LyaseC-C_Bond_Lyase of the TIM-Barrel fold
PF08782c-SKI_SMAD_bindc-SKI Smad4 binding domain
PF13461C-term_anchorCell-wall surface anchor repeat
PF07654C1-setImmunoglobulin C1-set domain
PF00386C1qC1q domain
PF00130C1_1Phorbol esters/diacylglycerol binding domain (C1 domain)
PF03107C1_2C1 domain
PF07649C1_3C1-like domain
PF07975C1_4TFIIH C1-like domain
PF00168C2C2 domain
PF05790C2-setImmunoglobulin C2-set domain
PF08205C2-set_2CD80-like C2-set immunoglobulin domain
PF01413C4C-terminal tandem repeated domain in type 4 procollagen
PF06662C5-epim_CD-glucuronyl C5-epimerase C-terminus
PF01681C6C6 domain
PF10170C6_DPFCysteine-rich domain
PF08742C8C8 domain
PF15019C9orf72-likeC9orf72-like protein family
PF09678Caa3_CtaGCytochrome c oxidase caa3 assembly factor (Caa3_CtaG)
PF14159CAADCAAD domains of cyanobacterial aminoacyl-tRNA synthetase
PF15335CAAP1Caspase activity and apoptosis inhibitor 1
PF12515CaATP_NAICa2+-ATPase N terminal autoinhibitory domain
PF12736CABITCell-cycle sustaining, positive selection,
PF15367CABS1Calcium-binding and spermatid-specific protein 1
PF02743Cache_1Cache domain
PF08269Cache_2Cache domain
PF14827Cache_3Sensory domain of two-component sensor kinase
PF09732CactinC_cactusCactus-binding C-terminus of cactin protein
PF10312Cactin_midConserved mid region of cactin
PF03596CadCadmium resistance transporter
PF00028CadherinCadherin domain
PF12733Cadherin-likeCadherin-like beta sandwich domain
PF08266Cadherin_2Cadherin-like
PF01049Cadherin_CCadherin cytoplasmic region
PF08758Cadherin_proCadherin prodomain like
PF09232Caenor_Her-1Caenorhabditis elegans Her-1
PF07440Caerin_1Caerin 1 protein
PF11600CAF-1_p150Chromatin assembly factor 1 complex p150 subunit, N-terminal
PF15512CAF-1_p60_CChromatin assembly factor complex 1 subunit p60, C-terminal
PF04857CAF1CAF1 family ribonuclease
PF15539CAF1-p150_C2CAF1 complex subunit p150, region binding to CAF1-p60 at C-term
PF15557CAF1-p150_NCAF1 complex subunit p150, region binding to PCNA
PF12253CAF1AChromatin assembly factor 1 subunit A
PF12265CAF1C_H4-bdHistone-binding protein RBBP4 or subunit C of CAF1 complex
PF13117Cag12Cag pathogenicity island protein Cag12
PF03507CagACagA exotoxin
PF15066CAGE1Cancer-associated gene protein 1 family
PF03135CagE_TrbE_VirBCagE, TrbE, VirB family, component of type IV transporter system
PF03524CagXConjugal transfer protein
PF14585CagY_ICagY type 1 repeat
PF07337CagY_MDC-EC Repeat
PF09053CagZCagZ
PF03185CaKBCalcium-activated potassium channel, beta subunit
PF04847CalcipressinCalcipressin
PF11535Calci_bind_CcbPCalcium binding
PF07888CALCOCO1Calcium binding and coiled-coil domain (CALCOCO1) like
PF06387CalcyonD1 dopamine receptor-interacting protein (calcyon)
PF00214Calc_CGRP_IAPPCalcitonin / CGRP / IAPP family
PF02029CaldesmonCaldesmon
PF05042CaleosinCaleosin related protein
PF00915Calici_coatCalicivirus coat protein
PF08435Calici_coat_CCalicivirus coat protein C-terminal
PF05752Calici_MSPCalicivirus minor structural protein
PF08405Calici_PP_NViral polyprotein N-terminal
PF07887Calmodulin_bindCalmodulin binding protein-like
PF01067Calpain_IIICalpain large subunit, domain III
PF00748Calpain_inhibCalpain inhibitor
PF00402CalponinCalponin family repeat
PF00262CalreticulinCalreticulin family
PF05556CalsarcinCalcineurin-binding protein (Calsarcin)
PF01216CalsequestrinCalsequestrin
PF03160Calx-betaCalx-beta domain
PF15170CaM-KIINCalcium/calmodulin-dependent protein kinase II inhibitor
PF02888CaMBDCalmodulin binding domain
PF08332CaMKII_ADCalcium/calmodulin dependent protein kinase II Association
PF14963CAMLCalcium signal-modulating cyclophilin ligand
PF05538Campylo_MOMPCampylobacter major outer membrane protein
PF07373CAMP_factorCAMP factor (Cfa)
PF07537CamSCamS sex pheromone cAM373 precursor
PF11971CAMSAP_CHCAMSAP CH domain
PF08683CAMSAP_CKKMicrotubule-binding calmodulin-regulated spectrin-associated
PF10562CaM_bdg_C0Calmodulin-binding domain C0 of NMDA receptor NR1 subunit
PF07839CaM_bindingPlant calmodulin-binding domain
PF05792Candida_ALSCandida agglutinin-like (ALS)
PF11766Candida_ALS_NCell-wall agglutinin N-terminal ligand-sugar binding
PF00188CAPCysteine-rich secretory protein family
PF15255CAP-ZIP_mWASH complex subunit CAP-Z interacting, central region
PF07918CAP160CAP160 repeat
PF12153CAP18_CLPS binding domain of CAP18 (C terminal)
PF11735CAP59_mtransferCryptococcal mannosyltransferase 1
PF12287Caprin-1_CCytoplasmic activation/proliferation-associated protein-1 C term
PF11729Capsid-VNNnodavirus capsid protein
PF04451Capsid_NCLDVLarge eukaryotic DNA virus major capsid protein
PF05159Capsule_synthCapsule polysaccharide biosynthesis protein
PF14052Caps_assemb_WziCapsule assembly protein Wzi
PF05704Caps_synthCapsular polysaccharide synthesis protein
PF14102Caps_synth_CapCCapsule biosynthesis CapC
PF06251Caps_synth_GfcCCapsule biosynthesis GfcC
PF14504CAP_assoc_NCAP-associated N-terminal
PF08603CAP_CAdenylate cyclase associated (CAP) C terminal
PF01302CAP_GLYCAP-Gly domain
PF01213CAP_NAdenylate cyclase associated (CAP) N terminal
PF11102Cap_synth_GfcBGroup 4 capsule polysaccharide formation lipoprotein gfcB
PF01039Carboxyl_transCarboxyl transferase domain
PF13620CarboxypepD_regCarboxypeptidase regulatory-like domain
PF02977CarbpepA_inhCarboxypeptidase A inhibitor
PF05388Carbpep_Y_NCarboxypeptidase Y pro-peptide
PF00194Carb_anhydraseEukaryotic-type carbonic anhydrase
PF10645Carb_bindCarbohydrate binding
PF01256Carb_kinaseCarbohydrate kinase
PF08261CarcinustatinCarcinustatin peptide
PF00619CARDCaspase recruitment domain
PF07705CARDBCARDB
PF02559CarD_CdnL_TRCFCarD-like/TRCF domain
PF01623Carla_C4Carlavirus putative nucleic acid binding protein
PF11531CARM1Coactivator-associated arginine methyltransferase 1 N terminal
PF08462Carmo_coat_CCarmovirus coat protein
PF00755Carn_acyltransfCholine/Carnitine o-acyltransferase
PF09150Carot_NOrange carotenoid protein, N-terminal
PF06373CARTCocaine and amphetamine regulated transcript protein (CART)
PF07779Cas1_AcylT10 TM Acyl Transferase domain found in Cas1p
PF09559Cas6Cas6 Crispr
PF12366Casc1Cancer susceptibility candidate 1
PF00363CaseinCasein
PF00997Casein_kappaKappa casein
PF08172CASP_CCASP C terminal
PF14526Cass2Integron-associated effector binding protein
PF10174CastRIM-binding protein of the cytomatrix active zone
PF09651Cas_APE2256CRISPR-associated protein (Cas_APE2256)
PF09670Cas_Cas02710CRISPR-associated protein (Cas_Cas02710)
PF01867Cas_Cas1CRISPR associated protein Cas1
PF09707Cas_Cas2CT1978CRISPR-associated protein (Cas_Cas2CT1978)
PF01930Cas_Cas4Domain of unknown function DUF83
PF09704Cas_Cas5dCRISPR-associated protein (Cas_Cas5)
PF01881Cas_Cas6CRISPR associated protein Cas6
PF09700Cas_Cmr3CRISPR-associated protein (Cas_Cmr3)
PF09701Cas_Cmr5CRISPR-associated protein (Cas_Cmr5)
PF09703Cas_Csa4CRISPR-associated protein (Cas_Csa4)
PF09702Cas_Csa5CRISPR-associated protein (Cas_Csa5)
PF09709Cas_Csd1CRISPR-associated protein (Cas_Csd1)
PF03378CAS_CSE1CAS/CSE protein, C-terminus
PF09659Cas_Csm6CRISPR-associated protein (Cas_Csm6)
PF09711Cas_Csn2CRISPR-associated protein (Cas_Csn2)
PF09620Cas_csx3CRISPR-associated protein (Cas_csx3)
PF09657Cas_Csx8CRISPR-associated protein Csx8 (Cas_Csx8)
PF09658Cas_Csx9CRISPR-associated protein (Cas_Csx9)
PF09611Cas_Csy1CRISPR-associated protein (Cas_Csy1)
PF09614Cas_Csy2CRISPR-associated protein (Cas_Csy2)
PF09615Cas_Csy3CRISPR-associated protein (Cas_Csy3)
PF09618Cas_Csy4CRISPR-associated protein (Cas_Csy4)
PF09344Cas_CT1975CT1975-like protein
PF09706Cas_CXXC_CXXCCRISPR-associated protein (Cas_CXXC_CXXC)
PF09455Cas_DxTHGCRISPR-associated (Cas) DxTHG family
PF09617Cas_GSU0053CRISPR-associated protein GSU0053 (Cas_GSU0053)
PF09609Cas_GSU0054CRISPR-associated protein, GSU0054 family (Cas_GSU0054)
PF09623Cas_NE0113CRISPR-associated protein NE0113 (Cas_NE0113)
PF09484Cas_TM1802CRISPR-associated protein TM1802 (cas_TM1802)
PF09652Cas_VVA1548Putative CRISPR-associated protein (Cas_VVA1548)
PF00302CATChloramphenicol acetyltransferase
PF00199CatalaseCatalase
PF06628Catalase-relCatalase-related immune-responsive
PF00666CathelicidinsCathelicidin
PF08773CathepsinC_excCathepsin C exclusion domain
PF00689Cation_ATPase_CCation transporting ATPase, C-terminus
PF00690Cation_ATPase_NCation transporter/ATPase, N-terminus
PF01545Cation_effluxCation efflux family
PF15149CATSPERBCation channel sperm-associated protein subunit beta protein family
PF15020CATSPERDCation channel sperm-associated protein subunit delta
PF15064CATSPERGCation channel sperm-associated protein subunit gamma
PF03123CAT_RBDCAT RNA binding domain
PF04731Caudal_actCaudal like protein activation region
PF02413Caudo_TAPCaudovirales tail fibre assembly protein
PF03233Cauli_ATAphid transmission protein
PF03310Cauli_DNA-bindCaulimovirus DNA-binding protein
PF01693Cauli_VICaulimovirus viroplasmin
PF01146CaveolinCaveolin
PF04771CAV_VP3Chicken anaemia virus VP-3 protein
PF08763Ca_chan_IQVoltage gated calcium channel IQ domain
PF14798Ca_hom_modCalcium homeostasis modulator
PF02275CBAHLinear amide C-N hydrolases, choloylglycine hydrolase family
PF08406CbbQ_CCbbQ/NirQ/NorQ C-terminal
PF03914CBFCBF/Mak21 family
PF02045CBFB_NFYACCAAT-binding transcription factor (CBF-B/NF-YA) subunit B
PF00808CBFD_NFYB_HMFHistone-like transcription factor (CBF/NF-Y) and archaeal histone
PF08143CBFNTCBFNT (NUC161) domain
PF02312CBF_betaCore binding factor beta subunit
PF01656CbiACobQ/CobB/MinD/ParA nucleotide binding domain
PF02570CbiCPrecorrin-8X methylmutase
PF01888CbiDCbiD
PF01890CbiG_CCobalamin synthesis G C-terminus
PF11761CbiG_midCobalamin biosynthesis central region
PF11760CbiG_NCobalamin synthesis G N-terminal
PF02571CbiJPrecorrin-6x reductase CbiJ/CobK
PF06180CbiKCobalt chelatase (CbiK)
PF01891CbiMCobalt uptake substrate-specific transmembrane region
PF02553CbiNCobalt transport protein component CbiN
PF02361CbiQCobalt transport protein
PF01903CbiXCbiX
PF01955CbiZAdenosylcobinamide amidohydrolase
PF07434CblDCblD like pilus biogenesis initiator
PF02262Cbl_NCBL proto-oncogene N-terminal domain 1
PF02761Cbl_N2CBL proto-oncogene N-terminus, EF hand-like domain
PF02762Cbl_N3CBL proto-oncogene N-terminus, SH2-like domain
PF14683CBM-likePolysaccharide lyase family 4, domain III
PF09212CBM27Carbohydrate binding module 27
PF09478CBM49Carbohydrate binding domain CBM49
PF00734CBM_1Fungal cellulose binding domain
PF02013CBM_10Cellulose or protein binding domain
PF03425CBM_11Carbohydrate binding domain (family 11)
PF01607CBM_14Chitin binding Peritrophin-A domain
PF03426CBM_15Carbohydrate binding domain (family 15)
PF03424CBM_17_28Carbohydrate binding domain (family 17/28)
PF03427CBM_19Carbohydrate binding domain (family 19)
PF00553CBM_2Cellulose binding domain
PF00686CBM_20Starch binding domain
PF03370CBM_21Putative phosphatase regulatory subunit
PF03423CBM_25Carbohydrate binding domain (family 25)
PF00942CBM_3Cellulose binding domain
PF02922CBM_48Carbohydrate-binding module 48 (Isoamylase N-terminal domain)
PF02018CBM_4_9Carbohydrate binding domain
PF02839CBM_5_12Carbohydrate binding domain
PF14600CBM_5_12_2Cellulose-binding domain
PF03422CBM_6Carbohydrate binding module (family 6)
PF06204CBM_XPutative carbohydrate binding domain
PF03442CBM_X2Carbohydrate binding domain X2
PF12192CBPFungal calcium binding protein
PF07960CBP4CBP4
PF00571CBSCBS domain
PF09490CbtAProbable cobalt transporter subunit (CbtA)
PF09489CbtBProbable cobalt transporter subunit (CbtB)
PF04942CCCC domain
PF15625CC2D2AN-C2CC2D2A N-terminal C2 domain
PF11105CCAPArthropod cardioacceleratory peptide 2a
PF07860CCDWisP family C-Terminal Region
PF07362CcdAPost-segregation antitoxin CcdA
PF01845CcdBCcdB protein
PF15188CCDC-167Coiled-coil domain-containing protein 167
PF15254CCDC14Coiled-coil domain-containing protein 14
PF14923CCDC142Coiled-coil protein 142
PF14915CCDC144CCCDC144C protein coiled-coil region
PF14662CCDC155Coiled-coil region of CCDC155
PF14989CCDC32Coiled-coil domain containing 32
PF15295CCDC50_NCoiled-coil domain-containing protein 50 N-terminus
PF15236CCDC66Coiled-coil domain-containing protein 66
PF15374CCDC71LCoiled-coil domain-containing protein 71L
PF14917CCDC74_CCoiled coil protein 74, C terminal
PF14968CCDC84Coiled coil protein 84
PF14916CCDC92Coiled-coil domain of unknown function
PF15482CCER1Coiled-coil domain-containing glutamate-rich protein family 1
PF02754CCGCysteine-rich domain
PF03379CcmBCcmB protein
PF04995CcmDHeme exporter protein D (CcmD)
PF03100CcmECcmE
PF03918CcmHCytochrome C biogenesis protein
PF03597CcoSCytochrome oxidase maturation protein cbb3-type
PF03150CCP_MauGDi-haem cytochrome c peroxidase
PF15013CCSMST1CCSMST1 family
PF06203CCTCCT motif
PF09425CCT_2Divergent CCT motif
PF04103CD20CD20-like family
PF14984CD24CD24 protein
PF06365CD34_antigenCD34/Podocalyxin family
PF01130CD36CD36 family
PF09191CD4-extracelCD4, extracellular
PF12567CD45Leukocyte receptor CD45
PF04549CD47CD47 transmembrane region
PF15116CD52CAMPATH-1 antigen
PF12301CD99L2CD99 antigen like protein 2
PF08045CDC14Cell division control protein 14, SIN component
PF06395CDC24CDC24 Calponin
PF09507CDC27DNA polymerase subunit Cdc27
PF08564CDC37_CCdc37 C terminal domain
PF08565CDC37_MCdc37 Hsp90 binding domain
PF03234CDC37_NCdc37 N terminal kinase binding
PF02724CDC45CDC45-like protein
PF02933CDC48_2Cell division protein 48 (CDC48), domain 2
PF02359CDC48_NCell division protein 48 (CDC48), N-terminal domain
PF03381CDC50LEM3 (ligand-effect modulator 3) family / CDC50 family
PF09079Cdc6_CCDC6, C terminal
PF05179CDC73RNA pol II accessory factor, Cdc73 family
PF10563CdCA1Cadmium carbonic anhydrase repeat
PF11731Cdd1Pathogenicity locus
PF02611CDHCDP-diacylglycerol pyrophosphatase
PF03598CdhCCO dehydrogenase/acetyl-CoA synthase complex beta subunit
PF03599CdhDCO dehydrogenase/acetyl-CoA synthase delta subunit
PF02234CDICyclin-dependent kinase inhibitor
PF09806CDK2APCyclin-dependent kinase 2-associated protein
PF03261CDK5_activatorCyclin-dependent kinase 5 activator protein
PF05706CDKN3Cyclin-dependent kinase inhibitor 3 (CDKN3)
PF05995CDO_ICysteine dioxygenase type I
PF01066CDP-OH_P_transfCDP-alcohol phosphatidyltransferase
PF08009CDP-OH_P_tran_2CDP-alcohol phosphatidyltransferase 2
PF05174CDRNCysteine-rich D. radiodurans N terminus
PF15213CDRT4CMT1A duplicated region transcript 4 protein
PF08839CDT1DNA replication factor CDT1 like
PF03498CDtoxinACytolethal distending toxin A/C family
PF15359CDV3Carnitine deficiency-associated protein 3
PF14997CECR6_TMEM121CECR6/TMEM121 family
PF00272CecropinCecropin family
PF10729CedACell division activator CedA
PF12662cEGFComplement Clr-like EGF-like
PF02927CelD_NN-terminal ig-like domain of cellulase
PF03500Cellsynth_DCellulose synthase subunit D
PF00150CellulaseCellulase (glycosyl hydrolase family 5)
PF12876Cellulase-likeSugar-binding cellulase-like
PF03552Cellulose_syntCellulose synthase
PF03040CemACemA family
PF10511CementoinTrappin protein transglutaminase binding domain
PF09026CENP-B_dimerisCentromere protein B dimerisation domain
PF04218CENP-B_NCENP-B N-terminal DNA-binding domain
PF11699CENP-C_CMif2/CENP-C like
PF15620CENP-C_midCentromere assembly component CENP-C middle DNMT3B-binding region
PF10490CENP-F_C_Rb_bdgRb-binding domain of kinetochore protein Cenp-F/LEK1
PF10473CENP-F_leu_zipLeucine-rich repeats of kinetochore protein Cenp-F/LEK1
PF10481CENP-F_NCenp-F N-terminal domain
PF05837CENP-HCentromere protein H (CENP-H)
PF07778CENP-IMis6
PF11802CENP-KCentromere-associated protein K
PF13092CENP-LKinetochore complex Sim4 subunit Fta1
PF11111CENP-MCentromere protein M (CENP-M)
PF05238CENP-NKinetochore protein CHL4 like
PF09496CENP-OCenp-O kinetochore centromere component
PF13096CENP-PCENP-A-nucleosome distal (CAD) centromere subunit, CENP-P
PF13094CENP-QCENP-Q, a CENPA-CAD centromere complex subunit
PF06729CENP-RKinetochore component, CENP-R
PF15630CENP-SKinetochore component CENP-S
PF15511CENP-TCentromere kinetochore component CENP-T
PF13097CENP-UCENP-A nucleosome associated complex (NAC) subunit
PF15510CENP-WCentromere kinetochore component W
PF09415CENP-XCENP-S associating Centromere protein X
PF15622CENP_C_NKinetochore assembly subunit CENP-C N-terminal
PF09287CEP1-DNA_bindCEP-1, DNA binding
PF15308CEP170_CCEP170 C-terminus
PF14933CEP19CEP19-like protein
PF15007CEP44Centrosomal spindle body, CEP44
PF14073Cep57_CLDCentrosome localisation domain of Cep57
PF14197Cep57_CLD_2Centrosome localisation domain of PPC89
PF06657Cep57_MT_bdCentrosome microtubule-binding domain of Cep57
PF15627CEP76-C2CEP76 C2 domain
PF05875CeramidaseCeramidase
PF04734Ceramidase_alkNeutral/alkaline non-lysosomal ceramidase
PF07249Cerato-plataninCerato-platanin
PF11439CesAType III secretion system filament chaperone CesA
PF05932CesTTir chaperone protein (CesT) family
PF05264CfAFPChoristoneura fumiferana antifreeze protein (CfAFP)
PF09443CFCCripto_Frl-1_Cryptic (CFC)
PF05730CFEMCFEM domain
PF11526CFIA_Pcf11Subunit of cleavage factor IA Pcf11
PF14396CFTR_RCystic fibrosis TM conductance regulator (CFTR), regulator domain
PF03859CG-1CG-1 domain
PF10233Cg6151-PUncharacterized conserved protein CG6151-P
PF08821CGGCCGGC domain
PF08617CGI-121Kinase binding protein CGI-121
PF03879Cgr1Cgr1 family
PF06306CgtABeta-1,4-N-acetylgalactosaminyltransferase (CgtA)
PF00307CHCalponin homology (CH) domain
PF06150ChaBChaB
PF04752ChaCChaC-like protein
PF05235CHADCHAD domain
PF02431ChalconeChalcone-flavanone isomerase
PF02797Chal_sti_synt_CChalcone and stilbene synthases, C-terminal domain
PF00195Chal_sti_synt_NChalcone and stilbene synthases, N-terminal domain
PF03502Channel_TsxNucleoside-specific channel-forming protein, Tsx
PF05257CHAPCHAP domain
PF10448chaperone_DMP20S proteasome chaperone
PF07824Chaperone_IIIType III secretion chaperone domain
PF09295ChAPsChAPs (Chs5p-Arf1p-binding proteins)
PF03924CHASECHASE domain
PF05226CHASE2CHASE2 domain
PF05227CHASE3CHASE3 domain
PF05228CHASE4CHASE4 domain
PF12770CHATCHAT domain
PF03173CHB_HEXPutative carbohydrate binding domain
PF03174CHB_HEX_CChitobiase/beta-hexosaminidase C-terminal domain
PF13290CHB_HEX_C_1Chitobiase/beta-hexosaminidase C-terminal domain
PF06747CHCHCHCH domain
PF04420CHD5CHD5-like protein
PF08074CHDCT2CHDCT2 (NUC038) domain
PF08073CHDNTCHDNT (NUC034) domain
PF01339CheB_methylestCheB methylesterase
PF04509CheCCheC-like family
PF03975CheDCheD chemotactic sensory transduction
PF04283CheF-archChemotaxis signal transduction system protein F from archaea
PF01739CheRCheR methyltransferase, SAM binding domain
PF03705CheR_NCheR methyltransferase, all-alpha domain
PF01584CheWCheW-like domain
PF13690CheXChemotaxis phosphatase CheX
PF09078CheY-bindingCheY binding
PF04344CheZChemotaxis phosphatase, CheZ
PF05679CHGNChondroitin N-acetylgalactosaminyltransferase
PF14645ChibbyChibby family
PF06483ChiCChitinase C
PF11434CHIPSChemotaxis-inhibiting protein CHIPS
PF15355ChiselStretch-responsive small skeletal muscle X protein, Chisel
PF08329ChitinaseA_NChitinase A, N-terminal domain
PF00187Chitin_bind_1Chitin recognition protein
PF03067Chitin_bind_3Chitin binding domain
PF00379Chitin_bind_4Insect cuticle protein
PF01644Chitin_synth_1Chitin synthase
PF08407Chitin_synth_1NChitin synthase N-terminal
PF03142Chitin_synth_2Chitin synthase
PF07548ChlamPMP_MChlamydia polymorphic membrane protein middle domain
PF09675Chlamy_scafChlamydia-phage Chp2 scaffold (Chlamy_scaf)
PF01308Chlam_OMPChlamydia major outer membrane protein
PF03503Chlam_OMP3Chlamydia cysteine-rich outer membrane protein 3
PF03504Chlam_OMP6Chlamydia cysteine-rich outer membrane protein 6
PF02415Chlam_PMPChlamydia polymorphic membrane protein (Chlamydia_PMP) repeat
PF05475Chlam_virChlamydia virulence protein PGP3-D
PF13541ChlISubunit ChlI of Mg-chelatase
PF00504Chloroa_b-bindChlorophyll A-B binding protein
PF07224ChlorophyllaseChlorophyllase
PF12740Chlorophyllase2Chlorophyllase enzyme
PF14476Chloroplast_dufPetal formation-expressed
PF11098Chlorosome_CsmCChlorosome envelope protein C
PF06598Chlorovi_GP_rptChlorovirus glycoprotein repeat
PF06778Chlor_dismutaseChlorite dismutase
PF02962CHMI5-carboxymethyl-2-hydroxymuconate isomerase
PF09193CholecysA-Rec_NCholecystokinin A receptor, N-terminal
PF01633Choline_kinaseCholine/ethanolamine kinase
PF04428Choline_kin_NCholine kinase N terminus
PF12411Choline_sulf_CCholine sulfatase enzyme C terminal
PF04515Choline_transpoPlasma-membrane choline transporter
PF09129Chol_subst-bindCholesterol oxidase, substrate-binding
PF14592Chondroitinas_BChondroitinase B
PF06566Chon_Sulph_attChondroitin sulphate attachment domain
PF04968CHORDCHORD
PF05961Chordopox_A13LChordopoxvirus A13L protein
PF05846Chordopox_A15Chordopoxvirus A15 protein
PF05941Chordopox_A20RChordopoxvirus A20R protein
PF06015Chordopox_A30LChordopoxvirus A30L protein
PF05966Chordopox_A33RChordopoxvirus A33R protein
PF05989Chordopox_A35RChordopoxvirus A35R protein
PF06138Chordopox_E11Chordopoxvirus E11 protein
PF05796Chordopox_G2Chordopoxvirus protein G2
PF06129Chordopox_G3Chordopoxvirus G3 protein
PF05803Chordopox_L2Chordopoxvirus L2 protein
PF05864Chordopox_RPO7Chordopoxvirus DNA-directed RNA polymerase 7 kDa polypeptide (RPO7)
PF12624Chorein_NN-terminal region of Chorein, a TM vesicle-mediated sorter
PF01723Chorion_1Chorion protein
PF03964Chorion_2Chorion family 2
PF05387Chorion_3Chorion family 3
PF05836Chorion_S16Chorion protein S16
PF00425Chorismate_bindchorismate binding enzyme
PF01264Chorismate_syntChorismate synthase
PF04345Chor_lyaseChorismate lyase
PF10216ChpXYCO2 hydration protein (ChpXY)
PF07452CHRDCHRD domain
PF05535Chromadorea_ALTChromadorea ALT protein
PF02417Chromate_transpChromate transporter
PF09828Chrome_ResistChromate resistance exported protein
PF00385ChromoChromo (CHRromatin Organisation MOdifier) domain
PF13889Chromosome_segChromosome segregation during meiosis
PF01393Chromo_shadowChromo shadow domain
PF12271Chs3pChitin synthase III catalytic subunit
PF06573ChurchillChurchill protein
PF06228ChuX_HutXHaem utilisation ChuX/HutX
PF13585CHU_CC-terminal domain of CHU protein family
PF07538ChWClostridial hydrophobic W
PF09649CHZHistone chaperone domain CHZ
PF07347CI-B14_5aNADH:ubiquinone oxidoreductase subunit B14.5a (Complex I-B14.5a)
PF08547CIA30Complex I intermediate-associated protein 30 (CIA30)
PF05093CIAPIN1Cytokine-induced anti-apoptosis inhibitor 1, Fe-S biogenesis
PF09774Cid2Caffeine-induced death protein 2
PF02017CIDE-NCIDE-N domain
PF08134cIIIcIII protein family
PF00878CIMRCation-independent mannose-6-phosphate receptor repeat
PF02464CinACompetence-damaged protein
PF02443Circo_capsidCircovirus capsid protein
PF06022Cir_Bir_YirPlasmodium variant antigen protein Cir/Yir/Bir
PF10197Cir_NN-terminal domain of CBF1 interacting co-repressor CIR
PF04487CITEDCITED
PF04223CitFCitrate lyase, alpha subunit (CitF)
PF01874CitGATP:dephospho-CoA triphosphoribosyl transferase
PF03600CitMHSCitrate transporter
PF08218Citrate_ly_ligCitrate lyase ligase C-terminal domain
PF00285Citrate_syntCitrate synthase
PF05520Citrus_P18Citrus tristeza virus P18 protein
PF12431CitTTranscriptional regulator
PF03802CitXApo-citrate lyase phosphoribosyl-dephospho-CoA transferase
PF12605CK1gamma_CCasein kinase 1 gamma C terminal
PF15011CK2SCasein Kinase 2 substrate
PF15297CKAP2_CCytoskeleton-associated protein 2 C-terminus
PF01111CKSCyclin-dependent kinase regulatory subunit
PF01214CK_II_betaCasein kinase II regulatory subunit
PF03805CLAGCytoadherence-linked asexual protein
PF14769CLAMPFlagellar C1a complex subunit C1a-32
PF12348CLASP_NCLASP N terminal
PF04021Class_IIIsignalClass III signal peptide
PF00637ClathrinRegion in Clathrin and VPS
PF09268Clathrin-linkClathrin, heavy-chain linker
PF15045Clathrin_bdgClathrin-binding box of Aftiphilin, vesicle trafficking
PF13838Clathrin_H_linkClathrin-H-link
PF01086Clathrin_lg_chClathrin light chain
PF01394Clathrin_propelClathrin propeller repeat
PF01217Clat_adaptor_sClathrin adaptor complex small chain
PF13903Claudin_2PMP-22/EMP/MP20/Claudin tight junction
PF06653Claudin_3Tight junction protein, Claudin-like
PF05452ClavaninClavanin
PF07062Clc-likeClc-like
PF08434CLCA_NCalcium-activated chloride channel
PF07675Cleaved_AdhesinCleaved Adhesin Domain
PF03505ClenterotoxClostridium enterotoxin
PF12032CLIPRegulatory CLIP domain of proteinases
PF02487CLN3CLN3 protein
PF15014CLN5Ceroid-lipofuscinosis neuronal protein 5
PF15156CLN6Ceroid-lipofuscinosis neuronal protein 6
PF03515CloacinColicin-like bacteriocin tRNase domain
PF03513Cloacin_immunCloacin immunity protein
PF01785Closter_coatClosterovirus coat protein
PF06597Clostridium_P47Clostridium P-47 protein
PF06807Clp1Pre-mRNA cleavage complex II protein Clp1
PF10431ClpB_D2-smallC-terminal, D2-small domain, of ClpB protein
PF02617ClpSATP-dependent Clp protease adaptor protein ClpS
PF05602CLPTM1Cleft lip and palate transmembrane protein 1 (CLPTM1)
PF02861Clp_NClp amino terminal domain
PF00574CLP_proteaseClp protease
PF10383Clr2Transcription-silencing protein Clr2
PF14420Clr5Clr5 domain
PF10607CLTHCTLH/CRA C-terminal to LisH motif domain
PF13236CLUClustered mitochondria
PF10234Cluap1Clusterin-associated protein-1
PF01093ClusterinClusterin
PF15044CLU_NMitochondrial function, CLU-N-term
PF03026CM1Influenza C virus M1 protein
PF03021CM2Influenza C virus M2 protein
PF02353CMASMycolic acid cyclopropane synthetase
PF08583Cmc1Cytochrome c oxidase biogenesis protein Cmc1 like
PF02543CmcH_NodUCarbamoyltransferase
PF04989CmcICephalosporin hydroxylase
PF02627CMDCarboxymuconolactone decarboxylase family
PF14617CMS1U3-containing 90S pre-ribosomal complex subunit
PF12467CMV_1aCucumber mosaic virus 1a protein family
PF12503CMV_1a_CCucumber mosaic virus 1a protein C terminal
PF08001CMV_USCMV US
PF09316Cmyb_CC-myb, C-terminal
PF07736CM_1Chorismate mutase type I
PF01817CM_2Chorismate mutase type II
PF08077Cm_res_leaderChloramphenicol resistance gene leader peptide
PF05738Cna_BCna protein B-type domain
PF12717Cnd1non-SMC mitotic condensation complex subunit 1
PF12922Cnd1_Nnon-SMC mitotic condensation complex subunit 1, N-term
PF05786Cnd2Condensin complex subunit 2
PF12719Cnd3Nuclear condensing complex subunits, C-term domain
PF05785CNF1Rho-activating domain of cytotoxic necrotizing factor
PF00780CNHCNH domain
PF09447Cnl2_NKP2Cnl2/NKP2 family protein
PF00027cNMP_bindingCyclic nucleotide-binding domain
PF08750CNP1CNP1-like family
PF05881CNPase2',3'-cyclic nucleotide 3'-phosphodiesterase (CNP or CNPase)
PF15043CNRIP1CB1 cannabinoid receptor-interacting protein 1
PF01110CNTFCiliary neurotrophic factor
PF00795CN_hydrolaseCarbon-nitrogen hydrolase
PF08695Coa1Cytochrome oxidase complex assembly protein 1
PF01121CoaEDephospho-CoA kinase
PF08764CoagulaseStaphylococcus aureus coagulase
PF02035CoagulinCoagulin
PF07718Coatamer_beta_CCoatomer beta C-terminal region
PF10389CoatBBacteriophage coat protein B
PF14806Coatomer_b_CplaCoatomer beta subunit appendage platform
PF04733Coatomer_ECoatomer epsilon subunit
PF04053Coatomer_WDADCoatomer WD associated region
PF07875Coat_FCoat F domain
PF07552Coat_XSpore Coat Protein X and V domain
PF02629CoA_bindingCoA binding domain
PF13380CoA_binding_2CoA binding domain
PF13727CoA_binding_3CoA-binding domain
PF01144CoA_transCoenzyme A transferase
PF02515CoA_transf_3CoA-transferase family III
PF01122Cobalamin_bindEukaryotic cobalamin-binding protein
PF02572CobA_CobO_BtuRATP:corrinoid adenosyltransferase BtuR/CobO/CobP
PF03186CobD_CbibCobD/Cbib protein
PF09469CoblCordon-bleu ubiquitin-like domain
PF02514CobN-Mg_chelCobN/Magnesium Chelatase
PF04833COBRACOBRA-like protein
PF06209COBRA1Cofactor of BRCA1 (COBRA1)
PF02654CobSCobalamin-5-phosphate synthase
PF12556CobS_NCobaltochelatase CobS subunit N terminal
PF06213CobTCobalamin biosynthesis protein CobT
PF11775CobT_CCobalamin biosynthesis protein CobT VWA domain
PF02283CobUCobinamide kinase / cobinamide phosphate guanyltransferase
PF02492cobWCobW/HypB/UreG, nucleotide-binding domain
PF07683CobW_CCobalamin synthesis protein cobW C-terminal domain
PF01923Cob_adeno_transCobalamin adenosyltransferase
PF15296Codanin-1_CCodanin-1 C-terminus
PF06018CodYCodY GAF-like domain
PF00135COesteraseCarboxylesterase family
PF01983CofCGuanylyl transferase CofC like
PF00241Cofilin_ADFCofilin/tropomyosin-type actin-binding protein
PF06148COG2COG (conserved oligomeric Golgi) complex component, COG2
PF08318COG4COG4 transport protein
PF10392COG5Golgi transport complex subunit 5
PF06419COG6Conserved oligomeric complex COG6
PF10191COG7Golgi complex component 7 (COG7)
PF00963CohesinCohesin domain
PF12765Cohesin_HEATHEAT repeat associated with sister chromatid cohesion
PF10345Cohesin_loadCohesin loading factor
PF06054CoiACompetence protein CoiA-like family
PF05710CoiledCoiled coil
PF09813Coiled-coil_56Coiled-coil domain-containing protein 56
PF06286ColeoptericinColeoptericin
PF01410COLFIFibrillar collagen C-terminal domain
PF01024ColicinColicin pore forming domain
PF12639Colicin-DNaseDNase/tRNase domain of colicin-like bacteriocin
PF12106Colicin_CColicin C terminal ribonuclease domain
PF11429Colicin_DColicin D
PF11504Colicin_IaColicin Ia
PF03857Colicin_imColicin immunity protein
PF09204Colicin_immunBacterial self-protective colicin-like immunity
PF14859Colicin_MColicin M
PF01320Colicin_PyocinColicin immunity protein / pyocin immunity protein
PF02674Colicin_VColicin V production protein
PF01114ColipaseColipase, N-terminal domain
PF15083Colipase-likeColipase-like
PF02740Colipase_CColipase, C-terminal domain
PF01391CollagenCollagen triple helix repeat (20 copies)
PF05737Collagen_bindCollagen binding domain
PF12904Collagen_bind_2Putative collagen-binding domain of a collagenase
PF07484CollarPhage Tail Collar Domain
PF01484Col_cuticle_NNematode cuticle collagen N-terminal domain
PF02679ComA(2R)-phospho-3-sulfolactate synthase (ComA)
PF03047ComCCOMC family
PF10719ComFBLate competence development protein ComFB
PF14173ComGGComG operon protein 7
PF11033ComJCompetence protein J (ComJ)
PF06338ComKComK protein
PF02247Como_LCPLarge coat protein
PF02248Como_SCPSmall coat protein
PF11598COMPCartilage oligomeric matrix protein
PF05205COMPASS-Shg1COMPASS (Complex proteins associated with Set1p) component shg1
PF03772CompetenceCompetence protein
PF11546CompInhib_SCINStaphylococcal complement inhibitor SCIN
PF00329Complex1_30kDaRespiratory-chain NADH dehydrogenase, 30 Kd subunit
PF00346Complex1_49kDaRespiratory-chain NADH dehydrogenase, 49 Kd subunit
PF01512Complex1_51KRespiratory-chain NADH dehydrogenase 51 Kd subunit
PF05347Complex1_LYRComplex 1 protein (LYR family)
PF13232Complex1_LYR_1Complex1_LYR-like
PF13233Complex1_LYR_2Complex1_LYR-like
PF05952ComXBacillus competence pheromone ComX
PF10815ComZComZ
PF10346Con-6Conidiation protein 6
PF00668CondensationCondensation domain
PF12422Condensin2nSMCCondensin II non structural maintenance of chromosomes subunit
PF00029ConnexinConnexin
PF03508Connexin43Gap junction alpha-1 protein (Cx43)
PF03509Connexin50Gap junction alpha-8 protein (Cx50)
PF10582Connexin_CCCGap junction channel protein cysteine-rich domain
PF02950ConotoxinConotoxin
PF15281Consortin_CConsortin C-terminus
PF03601Cons_hypoth698Conserved hypothetical protein 698
PF03602Cons_hypoth95Conserved hypothetical protein 95
PF14395COOH-NH2_ligPhage phiEco32-like COOH.NH2 ligase-type 2
PF08752COP-gamma_platfCoatomer gamma subunit appendage platform subdomain
PF14218COP23Circadian oscillating protein COP23
PF05275CopBCopper resistance protein B precursor (CopB)
PF04234CopCCopC domain
PF05425CopDCopper resistance protein D
PF07970COPIIcoated_ERVEndoplasmic reticulum vesicle transporter
PF07002CopineCopine
PF08507COPI_assocCOPI associated protein
PF06957COPI_CCoatomer (COPI) alpha subunit C-terminus
PF11525CopKCopper resistance protein K
PF00127Copper-bindCopper binding proteins, plastocyanin/azurin family
PF00649Copper-fistCopper fist DNA binding domain
PF15340COPR5Cooperator of PRMT5 family
PF01218Coprogen_oxidasCoproporphyrinogen III oxidase
PF05019Coq4Coenzyme Q (ubiquinone) biosynthesis protein Coq4
PF03232COQ7Ubiquinone biosynthesis protein COQ7
PF08511COQ9COQ9
PF04803Cor1Cor1/Xlr/Xmr conserved region
PF01544CorACorA-like Mg2+ transporter protein
PF03471CorC_HlyCTransporter associated domain
PF03311CornichonCornichon protein
PF02389CornifinCornifin (SPRR) family
PF05528Coronavirus_5Coronavirus gene 5 protein
PF04694Corona_3Coronavirus ORF3 protein
PF06336Corona_5aCoronavirus 5a protein
PF03262Corona_6B_7BCoronavirus 6B/7B protein
PF02398Corona_7Coronavirus protein 7
PF03187Corona_ICorona nucleocapsid I protein
PF01635Corona_MCoronavirus M matrix/glycoprotein
PF06145Corona_NS1Coronavirus nonstructural protein NS1
PF04753Corona_NS2Coronavirus non-structural protein NS2
PF05213Corona_NS2ACoronavirus NS2A protein
PF03053Corona_NS3bORF3b coronavirus protein
PF03905Corona_NS4Coronavirus non-structural protein NS4
PF12093Corona_NS8Coronavirus NS8 protein
PF00937Corona_nucleocaCoronavirus nucleocapsid protein
PF06478Corona_RPol_NCoronavirus RPol N-terminus
PF01600Corona_S1Coronavirus S1 glycoprotein
PF01601Corona_S2Coronavirus S2 glycoprotein
PF09727CortBP2Cortactin-binding protein-2
PF09304Cortex-I_coilCortexillin I, coiled coil
PF11057CortexinCortexin of kidney
PF14705CostarsCostars
PF10628CotEOuter spore coat protein E (CotE)
PF08757CotHCotH protein
PF11007CotJASpore coat associated protein JA (CotJA)
PF12652CotJBCotJB protein
PF13657Couple_hipAHipA N-terminal domain
PF00115COX1Cytochrome C and Quinol oxidase polypeptide I
PF14880COX14Cytochrome oxidase c assembly
PF02628COX15-CtaACytochrome oxidase assembly protein
PF14138COX16Cytochrome c oxidase assembly protein COX16
PF05051COX17Cytochrome C oxidase copper chaperone (COX17)
PF00116COX2Cytochrome C oxidase subunit II, periplasmic domain
PF09125COX2-transmembCytochrome C oxidase subunit II, transmembrane
PF02790COX2_TMCytochrome C oxidase subunit II, transmembrane domain
PF00510COX3Cytochrome c oxidase subunit III
PF02936COX4Cytochrome c oxidase subunit IV
PF03626COX4_proProkaryotic Cytochrome C oxidase subunit IV
PF07835COX4_pro_2Bacterial aa3 type cytochrome c oxidase subunit IV
PF02284COX5ACytochrome c oxidase subunit Va
PF01215COX5BCytochrome c oxidase subunit Vb
PF02046COX6ACytochrome c oxidase subunit VIa
PF02297COX6BCytochrome oxidase c subunit VIb
PF02937COX6CCytochrome c oxidase subunit VIc
PF02238COX7aCytochrome c oxidase subunit VIIa
PF05392COX7BCytochrome C oxidase chain VIIB
PF02935COX7CCytochrome c oxidase subunit VIIc
PF02285COX8Cytochrome oxidase c subunit VIII
PF06240COXGCarbon monoxide dehydrogenase subunit G (CoxG)
PF08113CoxIIaCytochrome c oxidase subunit IIa family
PF06481COX_ARMCOX Aromatic Rich Motif
PF12557Co_AT_NCob(I)alamin adenosyltransferase N terminal
PF03450CO_deh_flav_CCO dehydrogenase flavoprotein C-terminal domain
PF02552CO_dhCO dehydrogenase beta subunit/acetyl-CoA synthase epsilon subunit
PF02672CP12CP12 domain
PF04516CP2CP2 transcription factor
PF01383CpcDCpcD/allophycocyanin linker domain
PF07823CPDaseCyclic phosphodiesterase-like protein
PF09367CpeSCpeS-like protein
PF06206CpeTCpeT/CpcT family (DUF1001)
PF15481CPG4Chondroitin proteoglycan 4
PF08144CPLCPL (NUC119) domain
PF08230Cpl-7Cpl-7 lysozyme C-terminal domain
PF00166Cpn10Chaperonin 10 Kd subunit
PF00118Cpn60_TCP1TCP-1/cpn60 chaperonin family
PF14507CppA_CCppA C-terminal
PF14506CppA_NCppA N-terminal
PF00289CPSase_L_chainCarbamoyl-phosphate synthase L chain, N-terminal domain
PF02786CPSase_L_D2Carbamoyl-phosphate synthase L chain, ATP binding domain
PF02787CPSase_L_D3Carbamoyl-phosphate synthetase large chain, oligomerisation domain
PF00988CPSase_sm_chainCarbamoyl-phosphate synthase small chain, CPSase domain
PF13299CPSF100_CCleavage and polyadenylation factor 2 C-terminal
PF11718CPSF73-100_CPre-mRNA 3'-end-processing endonuclease polyadenylation factor C-term
PF03178CPSF_ACPSF A subunit region
PF07931CPTChloramphenicol phosphotransferase-like protein
PF09717CPW_WPCPlasmodium falciparum domain of unknown function (CPW_WPC)
PF14353CpXCCpXC protein
PF04174CP_ATPgrasp_1A circularly permuted ATPgrasp
PF14403CP_ATPgrasp_2Circularly permuted ATP-grasp type 2
PF10147CR6_interactGrowth arrest and DNA-damage-inducible proteins-interacting protein 1
PF06589CRACircumsporozoite-related antigen (CRA)
PF00650CRAL_TRIOCRAL/TRIO domain
PF13716CRAL_TRIO_2Divergent CRAL/TRIO domain
PF03765CRAL_TRIO_NCRAL/TRIO, N-terminal domain
PF07016CRAM_rptCysteine-rich acidic integral membrane protein precursor
PF07046CRA_rptCytoplasmic repetitive antigen (CRA) like repeat
PF02537CRCBCrcB-like protein
PF08624CRC_subunitChromatin remodelling complex Rsc7/Swp82 subunit
PF05981CreACreA protein
PF01321Creatinase_NCreatinase/Prolidase N-terminal domain
PF02633CreatininaseCreatinine amidohydrolase
PF09030Creb_bindingCreb binding
PF06123CreDInner membrane protein CreD
PF11520Cren7Chromatin protein Cren7
PF10472CReP_NeIF2-alpha phosphatase phosphorylation constitutive repressor
PF00473CRFCorticotropin-releasing factor family
PF05428CRF-BPCorticotropin-releasing factor binding protein (CRF-BP)
PF10380CRF1Transcription factor CRF1
PF10534CRIC_ras_sigConnector enhancer of kinase suppressor of ras
PF07416Crinivirus_P26Crinivirus P26 protein
PF10235CriptMicrotubule-associated protein CRIPT
PF08562CrispCrisp
PF08798CRISPR_assocCRISPR associated protein
PF09827CRISPR_Cas2CRISPR associated protein Cas2
PF09481CRISPR_Cse1CRISPR-associated protein Cse1 (CRISPR_cse1)
PF09485CRISPR_Cse2CRISPR-associated protein Cse2 (CRISPR_cse2)
PF07417CrlTranscriptional regulator Crl
PF08767CRM1_CCRM1 C terminal
PF09048CroCro
PF00325CrpBacterial regulatory proteins, crp family
PF05745CRPAChlamydia 15 kDa cysteine-rich outer membrane protein (CRPA)
PF08762CRPV_capsidCRPV capsid protein like
PF01985CRS1_YhbYCRS1 / YhbY (CRM) domain
PF08627CRT-likeCRT-like
PF08728CRT10CRT10
PF07143CrtCHydroxyneurosporene synthase (CrtC)
PF01147Crust_neurohormCrustacean CHH/MIH/GIH neurohormone family
PF03858Crust_neuro_HCrustacean neurohormone H
PF07029CryBP1CryBP1 protein
PF12546Cryptochrome_CBlue/Ultraviolet sensing protein C terminal
PF00030CrystallBeta/Gamma crystallin
PF00525CrystallinAlpha crystallin A chain, N terminal
PF09076Crystall_2Beta/Gamma crystallin
PF08964Crystall_3Beta/Gamma crystallin
PF04969CSCS domain
PF05532CsbDCsbD-like
PF00313CSD'Cold-shock' DNA-binding domain
PF08506Cse1Cse1
PF05337CSF-1Macrophage colony stimulating factor-1 (CSF-1)
PF10627CsgECurli assembly protein CsgE
PF10614CsgFType VIII secretion system (T8SS), CsgF protein
PF03783CsgGCurli production assembly/transport component CsgG
PF08943CsiDCsiD
PF12539Csm1Chromosome segregation protein Csm1/Pcs1
PF12288CsoS2_MCarboxysome shell peptide mid-region
PF08936CsoSCACarboxysome Shell Carbonic Anhydrase
PF02599CsrAGlobal regulator protein family
PF12792CSS-motifCSS motif domain associated with EAL
PF06002CST-IAlpha-2,3-sialyltransferase (CST-I)
PF02554CstACarbon starvation protein CstA
PF14327CSTF2_hingeHinge domain of cleavage stimulation factor subunit 2
PF14304CSTF_CTranscription termination and cleavage factor C-terminal
PF15623CT47Cancer/testis gene family 47
PF04442CtaG_Cox11Cytochrome c oxidase assembly protein CtaG/Cox11
PF15489CTC1CST, telomere maintenance, complex subunit CTC1
PF15491CTC1_2CST, telomere maintenance, complex subunit CTC1
PF12815CTDSpt5 C-terminal nonapeptide repeat binding Spt4
PF01556CTDIIDnaJ C terminal domain
PF04818CTD_bindRNA polymerase II-binding domain.
PF09696Ctf8Ctf8
PF00859CTF_NFICTF/NF-I family transcription modulation region
PF06934CTIFatty acid cis/trans isomerase (CTI)
PF10482CtIP_NTumour-suppressor protein CtIP N-terminal domain
PF12243CTK3CTD kinase subunit gamma CTK3
PF12350CTK3_CCTD kinase subunit gamma CTK3 C-terminus
PF07863CtnDOT_TraJHomologues of TraJ from Bacteroides conjugative transposon
PF08347CTNNB1_bindingN-terminal CTNNB1 binding
PF08216CTNNBLCatenin-beta-like, Arm-motif containing nuclear
PF01982CTP-dep_RFKaseDomain of unknown function DUF120
PF06418CTP_synth_NCTP synthase N-terminus
PF01148CTP_transf_1Cytidylyltransferase family
PF01467CTP_transf_2Cytidylyltransferase
PF02348CTP_transf_3Cytidylyltransferase
PF04145CtrCtr copper transporter family
PF05848CtsRFirmicute transcriptional repressor of class III stress genes (CtsR)
PF06922CTV_P13Citrus tristeza virus P13 protein
PF04808CTV_P23Citrus tristeza virus (CTV) P23 protein
PF07184CTV_P33Citrus tristeza virus P33 protein
PF06706CTV_P6Citrus tristeza virus 6-kDa protein
PF07459CTX_RstBCTX phage RstB protein
PF11617Cu-binding_MopEProtein metal binding site
PF00394Cu-oxidaseMulticopper oxidase
PF07731Cu-oxidase_2Multicopper oxidase
PF07732Cu-oxidase_3Multicopper oxidase
PF02578Cu-oxidase_4Multi-copper polyphenol oxidoreductase laccase
PF01082Cu2_monooxygenCopper type II ascorbate-dependent monooxygenase, N-terminal domain
PF03712Cu2_monoox_CCopper type II ascorbate-dependent monooxygenase, C-terminal domain
PF00431CUBCUB domain
PF02408CUB_2CUB-like domain
PF03263Cucumo_2BCucumovirus protein 2B
PF00760Cucumo_coatCucumovirus coat protein
PF02845CUECUE domain
PF11515Cul7Mouse development and cellular proliferation protein Cullin-7
PF00888CullinCullin family
PF03556Cullin_bindingCullin binding
PF10557Cullin_Nedd8Cullin protein neddylation domain
PF00190Cupin_1Cupin
PF07883Cupin_2Cupin domain
PF05899Cupin_3Protein of unknown function (DUF861)
PF08007Cupin_4Cupin superfamily protein
PF06172Cupin_5Cupin superfamily (DUF985)
PF12852Cupin_6Cupin
PF12973Cupin_7ChrR Cupin-like domain
PF13621Cupin_8Cupin-like domain
PF13473Cupredoxin_1Cupredoxin-like domain
PF07012Curlin_rptCurlin associated repeat
PF07325Curto_V2Curtovirus V2 protein
PF07436Curto_V3Curtovirus V3 protein
PF11604CusF_EcCopper binding periplasmic protein CusF
PF02376CUTCUT domain
PF11500Cut12Spindle pole body formation-associated protein
PF08559Cut8_CCut8 six-helix bundle
PF14483Cut8_MCut8 dimerisation domain
PF14482Cut8_NCut8 proteasome-binding domain
PF03091CutA1CutA1 divalent ion tolerance protein
PF03932CutCCutC family
PF08140Cuticle_1Crustacean cuticle protein repeat
PF08184Cuticle_2Cuticle protein 7 isoform family
PF11018Cuticle_3Pupal cuticle protein C1
PF01083CutinaseCutinase
PF01179Cu_amine_oxidCopper amine oxidase, enzyme domain
PF07833Cu_amine_oxidN1Copper amine oxidase N-terminal domain
PF02727Cu_amine_oxidN2Copper amine oxidase, N2 domain
PF02728Cu_amine_oxidN3Copper amine oxidase, N3 domain
PF02298Cu_bind_likePlastocyanin-like domain
PF08881CVNHCVNH domain
PF12542CWC25Pre-mRNA splicing factor
PF08315cwf18cwf18 pre-mRNA splicing factor
PF08312cwf21cwf21 domain
PF04677CwfJ_C_1Protein similar to CwfJ C-terminus 1
PF04676CwfJ_C_2Protein similar to CwfJ C-terminus 2
PF04889Cwf_Cwc_15Cwf15/Cwc15 cell cycle control protein
PF01473CW_binding_1Putative cell wall binding repeat
PF04122CW_binding_2Putative cell wall binding repeat 2
PF01705CXCX module
PF15211CXCL17VEGF co-regulated chemokine 1
PF12109CXCR4_NCXCR4 Chemokine receptor N terminal
PF03128CXCXCCXCXC repeat
PF03692CxxCxxCCPutative zinc- or iron-chelating domain
PF02560Cyanate_lyaseCyanate lyase C-terminal domain
PF05328CybSCybS
PF10438Cyc-maltodext_CCyclo-malto-dextrinase C-terminal domain
PF09087Cyc-maltodext_NCyclomaltodextrinase, N-terminal
PF04199CyclasePutative cyclase
PF04673Cyclase_polyketPolyketide synthesis cyclase
PF08613CyclinCyclin
PF02984Cyclin_CCyclin, C-terminal domain
PF00134Cyclin_NCyclin, N-terminal domain
PF04126Cyclophil_likeCyclophilin-like
PF03784CyclotideCyclotide family
PF09600Cyd_oper_YbgECyd operon protein YbgE (Cyd_oper_YbgE)
PF15241Cylicin_NCylicin N-terminus
PF05865Cypo_polyhedrinCypovirus polyhedrin protein
PF10414CysG_dimeriserSirohaem synthase dimerisation region
PF00031CystatinCystatin domain
PF12734CYSTMCysteine-rich TM module stress tolerance
PF00007Cys_knotCystine-knot domain
PF01053Cys_Met_Meta_PPCys/Met metabolism PLP-dependent enzyme
PF14206Cys_rich_CPCCCysteine-rich CPCC
PF14255Cys_rich_CPXGCysteine-rich CPXCG
PF14375Cys_rich_CWCCysteine-rich CWC
PF00839Cys_rich_FGFRCysteine rich repeat
PF14205Cys_rich_KTRCysteine-rich KTR
PF14194Cys_rich_VLPCysteine-rich VLP
PF00173Cyt-b5Cytochrome b5-like Heme/Steroid binding domain
PF12378CytadhesinP1Trypsin-sensitive surface-exposed protein
PF07271Cytadhesin_P30Cytadhesin P30/P32
PF08802CytB6-F_Fe-SCytochrome B6-F complex Fe-S subunit
PF01928CYTHCYTH domain
PF02224Cytidylate_kinCytidylate kinase
PF13189Cytidylate_kin2Cytidylate kinase-like family
PF15153CYTL1Cytokine-like protein 1
PF09786CytochromB561_NCytochrome B561, N terminal
PF10643Cytochrome-c551Photosystem P840 reaction-centre cytochrome c-551
PF13435Cytochrome_C554Cytochrome c554 and c-prime
PF14522Cytochrome_C7Cytochrome c7
PF11783Cytochrome_cBCytochrome c bacterial
PF13442Cytochrome_CBB3Cytochrome C oxidase, cbb3-type, subunit III
PF05038Cytochrom_B558aCytochrome Cytochrome b558 alpha-subunit
PF00283Cytochrom_B559Cytochrome b559, alpha (gene psbE) and beta (gene psbF)subunits
PF00284Cytochrom_B559aLumenal portion of Cytochrome b559, alpha (gene psbE) subunit
PF03188Cytochrom_B561Eukaryotic cytochrome b561
PF07361Cytochrom_B562Cytochrome b562
PF00032Cytochrom_B_CCytochrome b(C-terminal)/b6/petD
PF00033Cytochrom_B_NCytochrome b(N-terminal)/b6/petB
PF13631Cytochrom_B_N_2Cytochrome b(N-terminal)/b6/petB
PF00034Cytochrom_CCytochrome c
PF02167Cytochrom_C1Cytochrome C1 family
PF14537Cytochrom_c3_2Cytochrome c3
PF14495Cytochrom_C550Cytochrome c-550 domain
PF02335Cytochrom_C552Cytochrome c552
PF02085Cytochrom_CIIIClass III cytochrome C family
PF01322Cytochrom_C_2Cytochrome C'
PF01578Cytochrom_C_asmCytochrome C assembly protein
PF02239Cytochrom_D1Cytochrome D1 heme domain
PF03264Cytochrom_NNTNapC/NirT cytochrome c family, N-terminal region
PF02276CytoC_RCPhotosynthetic reaction centre cytochrome C subunit
PF09265Cytokin-bindCytokinin dehydrogenase 1, FAD and cytokinin binding
PF10407Cytokin_check_NCdc14 phosphatase binding protein N-terminus
PF01801Cytomega_gLCytomegalovirus glycoprotein L
PF06084Cytomega_TRL10Cytomegalovirus TRL10 protein
PF05984Cytomega_UL20ACytomegalovirus UL20A protein
PF06284Cytomega_UL84Cytomegalovirus UL84 protein
PF05963Cytomega_US3Cytomegalovirus US3 protein
PF09000CytotoxicCytotoxic
PF01265Cyto_heme_lyaseCytochrome c/c1 heme lyase
PF02322Cyto_ox_2Cytochrome oxidase subunit II
PF12270Cyt_c_ox_IVCytochrome c oxidase subunit IV
PF13682CZBChemoreceptor zinc-binding domain
PF09719C_GCAxxG_C_CPutative redox-active protein (C_GCAxxG_C_C)
PF02363C_tripleXCysteine rich repeat