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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
PF00543P-IINitrogen regulatory protein P-II
PF04275P-mevalo_kinasePhosphomevalonate kinase
PF12669P12Virus attachment protein p12 family
PF08062P120RP120R (NUC006) repeat
PF12233p12IHuman adult T cell leukemia/lymphoma virus protein
PF04699P16-ArcARP2/3 complex 16 kDa subunit (p16-Arc)
PF07392P19Arf_NCyclin-dependent kinase inhibitor 2a p19Arf N-terminus
PF07194P2P2 response regulator binding domain
PF04062P21-ArcARP2/3 complex ARPC3 (21 kDa) subunit
PF10548P22_AR_CP22AR C-terminal domain
PF10547P22_AR_NP22_AR N-terminal domain
PF11651P22_CoatProteinP22 coat protein - gene protein 5
PF14549P22_CroDNA-binding transcriptional regulator Cro
PF11650P22_Tail-4P22 tail accessory factor
PF05517p25-alphap25-alpha
PF00864P2X_receptorATP P2X receptor
PF06891P2_Phage_GpRP2 phage tail completion protein R (GpR)
PF07390P30Mycoplasma P30 protein
PF06581p31cometMad1 and Cdc20-bound-Mad2 binding
PF15302P33MONOXP33 mono-oxygenase
PF04045P34-ArcArp2/3 complex, 34 kD subunit p34-Arc
PF02331P35Apoptosis preventing protein
PF08727P3APoliovirus 3A protein like
PF00067p450Cytochrome P450
PF08944p47_phox_CNADPH oxidase subunit p47Phox, C terminal domain
PF08336P4Ha_NProlyl 4-Hydroxylase alpha-subunit, N-terminal region
PF12409P5-ATPaseP5-type ATPase cation transporter
PF00870P53P53 DNA-binding domain
PF14936p53-inducible11Tumour protein p53-inducible protein 11
PF11619P53_CTranscription factor P53 - C terminal domain
PF08563P53_TADP53 transactivation motif
PF07710P53_tetramerP53 tetramerisation motif
PF14748P5CR_dimerPyrroline-5-carboxylate reductase dimerisation
PF10546P63CP63C domain
PF08061P68HRP68HR (NUC004) repeat
PF02225PAPA domain
PF07472PA-IILFucose-binding lectin II (PA-IIL)
PF07828PA-ILPA-IL-like protein
PF07691PA14PA14 domain
PF10528PA14_2GLEYA domain
PF04636PA26PA26 p53-induced protein (sestrin)
PF02251PA28_alphaProteasome activator pa28 alpha subunit
PF02252PA28_betaProteasome activator pa28 beta subunit
PF05138PaaA_PaaCPhenylacetic acid catabolic protein
PF06243PaaBPhenylacetic acid degradation B
PF05488PAAR_motifPAAR motif
PF14738PaaSYMPSolute carrier (proton/amino acid symporter), TRAMD3 or PAT1
PF07848PaaXPaaX-like protein
PF08223PaaX_CPaaX-like protein C-terminal domain
PF13969Pab87_octPab87 octamerisation domain
PF00658PABPPoly-adenylate binding protein, unique domain
PF09754PAC2PAC2 family
PF05375Pacifastin_IPacifastin inhibitor (LCMII)
PF14000Packaging_FIDNA packaging protein FI
PF10254Pacs-1PACS-1 cytosolic sorting protein
PF10495PACT_coil_coilPericentrin-AKAP-450 domain of centrosomal targeting protein
PF03068PADProtein-arginine deiminase (PAD)
PF03551PadRTranscriptional regulator PadR-like family
PF08063PADR1PADR1 (NUC008) domain
PF08527PAD_MProtein-arginine deiminase (PAD) middle domain
PF08526PAD_NProtein-arginine deiminase (PAD) N-terminal domain
PF04371PAD_porphPorphyromonas-type peptidyl-arginine deiminase
PF03283PAEPectinacetylesterase
PF03403PAF-AH_p_IIPlatelet-activating factor acetylhydrolase, isoform II
PF03985Paf1Paf1
PF10255Paf67RNA polymerase I-associated factor PAF67
PF15347PAGPhosphoprotein associated with glycosphingolipid-enriched
PF15284PAGKPhage-encoded virulence factor
PF09411PagLLipid A 3-O-deacylase (PagL)
PF07017PagPAntimicrobial peptide resistance and lipid A acylation protein PagP
PF02671PAHPaired amphipathic helix repeat
PF09699Paired_CXXCH_1Doubled CXXCH motif (Paired_CXXCH_1)
PF08316Pal1Pal1 cell morphology protein
PF08733PalHPalH/RIM21
PF02089Palm_thioestPalmitoyl protein thioesterase
PF00291PALPPyridoxal-phosphate dependent enzyme
PF03656Pam16Pam16
PF08566Pam17Mitochondrial import protein Pam17
PF07145PAM2Ataxin-2 C-terminal region
PF02569Pantoate_ligasePantoate-beta-alanine ligase
PF02548Pantoate_transfKetopantoate hydroxymethyltransferase
PF00024PAN_1PAN domain
PF08276PAN_2PAN-like domain
PF08277PAN_3PAN-like domain
PF14295PAN_4PAN domain
PF03309Pan_kinaseType III pantothenate kinase
PF08417PaOPheophorbide a oxygenase
PF08601PAP1Transcription factor PAP1
PF01569PAP2PAP2 superfamily
PF14378PAP2_3PAP2 superfamily
PF14360PAP2_CPAP2 superfamily C-terminal
PF04795PAPA-1PAPA-1-like conserved region
PF03333PapBAdhesin biosynthesis transcription regulatory protein
PF13953PapC_CPapC C-terminal domain
PF13954PapC_NPapC N-terminal domain
PF14874PapD-likeFlagellar-associated PapD-like
PF02753PapD_CPili assembly chaperone PapD, C-terminal domain
PF00345PapD_NPili and flagellar-assembly chaperone, PapD N-terminal domain
PF03628PapG_CPapG chaperone-binding domain
PF03627PapG_NPapG carbohydrate binding domain
PF03025Papilloma_E5Papillomavirus E5
PF05776Papilloma_E5APapillomavirus E5A protein
PF14855PapJPilus-assembly fibrillin subunit, chaperone
PF02380Papo_T_antigenT-antigen specific domain
PF01507PAPS_reductPhosphoadenosine phosphosulfate reductase family
PF03828PAP_assocCid1 family poly A polymerase
PF04928PAP_centralPoly(A) polymerase central domain
PF02711Pap_E4E4 protein
PF04755PAP_fibrillinPAP_fibrillin
PF06864PAP_PilOPilin accessory protein (PilO)
PF04926PAP_RNA-bindPoly(A) polymerase predicted RNA binding domain
PF06521PAR1PAR1 protein
PF10609ParAParA/MinD ATPase like
PF03285ParalemminParalemmin
PF01508Paramecium_SAParamecium surface antigen domain
PF01692Paramyxo_CParamyxovirus non-structural protein c
PF00973Paramyxo_ncapParamyxovirus nucleocapsid protein
PF02725Paramyxo_NS_CNon-structural protein C
PF01806Paramyxo_PParamyxovirinae P phosphoprotein C-terminal region
PF14320Paramyxo_PCTPhosphoprotein P region PCT disordered
PF13825Paramyxo_PNTParamyxovirus structural protein V/P N-terminus
PF03210Paramyx_P_V_CParamyxovirus P/V phosphoprotein C-terminal
PF01279ParathyroidParathyroid hormone family
PF08775ParBParB family
PF02195ParBcParB-like nuclease domain
PF08857ParBc_2Putative ParB-like nuclease
PF10274ParcGParkin co-regulated protein
PF09386ParDAntitoxin ParD
PF07425PardaxinPardaxin
PF06344Parecho_VpGParechovirus Genome-linked protein
PF05942PaREP1Archaeal PaREP1/PaREP8 family
PF07903PaRep2aPaRep2a protein
PF07775PaRep2bPaRep2b protein
PF09274ParGParG
PF05028PARG_catPoly (ADP-ribose) glycohydrolase (PARG)
PF00644PARPPoly(ADP-ribose) polymerase catalytic domain
PF02877PARP_regPoly(ADP-ribose) polymerase, regulatory domain
PF01358PARP_regulatoryPoly A polymerase regulatory subunit
PF00740Parvo_coatParvovirus coat protein VP2
PF08398Parvo_coat_NParvovirus coat protein VP1
PF01057Parvo_NS1Parvovirus non-structural protein NS1
PF00989PASPAS fold
PF03793PASTAPASTA domain
PF13596PAS_10PAS domain
PF14598PAS_11PAS domain
PF08446PAS_2PAS fold
PF08447PAS_3PAS fold
PF08448PAS_4PAS fold
PF07310PAS_5PAS domain
PF08348PAS_6YheO-like PAS domain
PF12860PAS_7PAS fold
PF13188PAS_8PAS domain
PF13426PAS_9PAS domain
PF09016Pas_SaposinPas factor saposin fold
PF09770PAT1Topoisomerase II-associated protein PAT1
PF01734PatatinPatatin-like phospholipase
PF02460PatchedPatched family
PF09593Pathogen_betaC1Beta-satellite pathogenicity beta C1 protein
PF00292PAX'Paired box' domain
PF12403Pax2_CPaired-box protein 2 C terminal
PF12360Pax7Paired box protein 7
PF03535PaxillinPaxillin family
PF15364PAXIP1_CPAXIP1-associated-protein-1 C term PTIP binding protein
PF05625PAXNEBPAXNEB protein
PF02170PAZPAZ domain
PF12212PAZ_siRNAbindPiwi/Argonaute/Zwille siRNA-binding domain
PF05870PA_decarboxPhenolic acid decarboxylase (PAD)
PF00564PB1PB1 domain
PF11986PB1-F2Influenza A Proapoptotic protein
PF05874PBANPheromone biosynthesis activating neuropeptide (PBAN)
PF03792PBCPBC domain
PF08789PBCV_basic_adapPBCV-specific basic adaptor domain
PF00786PBDP21-Rho-binding domain
PF01161PBPPhosphatidylethanolamine-binding protein
PF14889PBP-Tp47_aPenicillin-binding protein Tp47 domain a
PF14888PBP-Tp47_cPenicillin-binding protein Tp47 domain C
PF14812PBP1_TMTransmembrane domain of transglycosylase PBP1 at N-terminal
PF07943PBP5_CPenicillin-binding protein 5, C-terminal domain
PF03717PBP_dimerPenicillin-binding Protein dimerisation domain
PF01395PBP_GOBPPBP/GOBP family
PF12727PBP_likePBP superfamily domain
PF12849PBP_like_2PBP superfamily domain
PF07222PBP_sp32Proacrosin binding protein sp32
PF00427PBS_linker_polyPhycobilisome Linker polypeptide
PF13839PC-EsteraseGDSL/SGNH-like Acyl-Esterase family found in Pmr5 and Cas1p
PF02229PC4Transcriptional Coactivator p15 (PC4)
PF06466PCAF_NPCAF (P300/CBP-associated factor) N-terminal domain
PF09341Pcc1Transcription factor Pcc1
PF12391PCDO_beta_NProtocatechuate 3,4-dioxygenase beta subunit N terminal
PF07418PCEMA1Acidic phosphoprotein precursor PCEMA1
PF09461PcFPhytotoxin PcF protein
PF14284PcfJPcfJ-like protein
PF14058PcfKPcfK-like protein
PF01399PCIPCI domain
PF12237PCIF1_WWPhosphorylated CTD interacting factor 1 WW domain
PF10075PCI_Csn8COP9 signalosome, subunit CSN8
PF01135PCMTProtein-L-isoaspartate(D-aspartate) O-methyltransferase (PCMT)
PF02747PCNA_CProliferating cell nuclear antigen, C-terminal domain
PF00705PCNA_NProliferating cell nuclear antigen, N-terminal domain
PF15473PCNPPEST, proteolytic signal-containing nuclear protein family
PF02429PCPPeridinin-chlorophyll A binding protein
PF08369PCP_redProto-chlorophyllide reductase 57 kD subunit
PF01884PcrBPcrB family
PF03462PCRFPCRF domain
PF13798PCYCGCProtein of unknown function with PCYCGC motif
PF01851PC_repProteasome/cyclosome repeat
PF09310PD-C2-AF1POU domain, class 2, associating factor 1
PF07676PD40WD40-like Beta Propeller Repeat
PF14756Pdase_C33_assocPeptidase_C33-associated domain
PF04194PDCD2_CProgrammed cell death protein 2, C-terminal putative domain
PF07147PDCD9Mitochondrial 28S ribosomal protein S30 (PDCD9)
PF12705PDDEXK_1PD-(D/E)XK nuclease superfamily
PF12784PDDEXK_2PD-(D/E)XK nuclease family transposase
PF13366PDDEXK_3PD-(D/E)XK nuclease superfamily
PF14281PDDEXK_4PD-(D/E)XK nuclease superfamily
PF11645PDDEXK_5PD-(D/E)XK endonuclease
PF04868PDE6_gammaRetinal cGMP phosphodiesterase, gamma subunit
PF08629PDE8PDE8 phosphodiesterase
PF00233PDEase_I3'5'-cyclic nucleotide phosphodiesterase
PF02112PDEase_IIcAMP phosphodiesterases class-II
PF08499PDEase_I_N3'5'-cyclic nucleotide phosphodiesterase N-terminal
PF00341PDGFPDGF/VEGF domain
PF04692PDGF_NPlatelet-derived growth factor, N terminal region
PF13190PDGLEPDGLE domain
PF02153PDHPrephenate dehydrogenase
PF08370PDR_assocPlant PDR ABC transporter associated
PF06422PDR_CDRCDR ABC transporter
PF00800PDTPrephenate dehydratase
PF06130PduLPropanediol utilisation protein PduL
PF10662PduV-EutPEthanolamine utilisation - propanediol utilisation
PF04166PdxAPyridoxal phosphate biosynthetic protein PdxA
PF03740PdxJPyridoxal phosphate biosynthesis protein PdxJ
PF00595PDZPDZ domain (Also known as DHR or GLGF)
PF12812PDZ_1PDZ-like domain
PF13180PDZ_2PDZ domain
PF10600PDZ_assocPDZ-associated domain of NMDA receptors
PF00934PEPE family
PF08237PE-PPEPE-PPE domain
PF08111Pea-VEAacidPea-VEAacid family
PF05278PEARLI-4Arabidopsis phospholipase-like protein (PEARLI 4)
PF05041Pecanex_CPecanex protein (C-terminus)
PF03211Pectate_lyasePectate lyase
PF14583Pectate_lyase22Oligogalacturonate lyase
PF06917Pectate_lyase_2Periplasmic pectate lyase
PF12708Pectate_lyase_3Pectate lyase superfamily protein
PF01095PectinesterasePectinesterase
PF09492Pec_lyasePectic acid lyase
PF00544Pec_lyase_CPectate lyase
PF04431Pec_lyase_NPectate lyase, N terminus
PF08182PedibinPedibin/Hym-346 family
PF08308PEGAPEGA domain
PF07623PEGSRPProtein of unknown function (DUF1584)
PF15275PEHEPEHE domain
PF04710PellinoPellino
PF15608PELOTA_1PELOTA RNA binding domain
PF02452PemKPemK-like protein
PF04191PEMTPhospholipid methyltransferase
PF10251PEN-2Presenilin enhancer-2 subunit of gamma secretase
PF05927PenaeidinPenaeidin
PF03965Penicillinase_RPenicillinase repressor
PF01804Penicil_amidasePenicillin amidase
PF00805PentapeptidePentapeptide repeats (8 copies)
PF01469Pentapeptide_2Pentapeptide repeats (8 copies)
PF13576Pentapeptide_3Pentapeptide repeats (9 copies)
PF13599Pentapeptide_4Pentapeptide repeats (9 copies)
PF00354PentaxinPentaxin family
PF05524PEP-utilisers_NPEP-utilising enzyme, N-terminal
PF00391PEP-utilizersPEP-utilising enzyme, mobile domain
PF02896PEP-utilizers_CPEP-utilising enzyme, TIM barrel domain
PF05131Pep3_Vps18Pep3/Vps18/deep orange family
PF00311PEPcasePhosphoenolpyruvate carboxylase
PF14010PEPcase_2Phosphoenolpyruvate carboxylase
PF00821PEPCKPhosphoenolpyruvate carboxykinase
PF01293PEPCK_ATPPhosphoenolpyruvate carboxykinase
PF06394Pepsin-I3Pepsin inhibitor-3-like repeated domain
PF03413PepSYPeptidase propeptide and YPEB domain
PF13670PepSY_2Peptidase propeptide and YPEB domain
PF03929PepSY_TMPepSY-associated TM helix
PF13172PepSY_TM_1PepSY-associated TM helix
PF13703PepSY_TM_2PepSY-associated TM helix
PF13706PepSY_TM_3PepSY-associated TM helix
PF05380Peptidase_A17Pao retrotransposon peptidase
PF03566Peptidase_A21Peptidase family A21
PF04258Peptidase_A22BSignal peptide peptidase
PF01478Peptidase_A24Type IV leader peptidase family
PF03418Peptidase_A25Germination protease
PF12384Peptidase_A2BTy3 transposon peptidase
PF12382Peptidase_A2ERetrotransposon peptidase
PF02160Peptidase_A3Cauliflower mosaic virus peptidase (A3)
PF01828Peptidase_A4Peptidase A4 family
PF01829Peptidase_A6Peptidase A6 family
PF01252Peptidase_A8Signal peptidase (SPase) II
PF00112Peptidase_C1Papain family cysteine protease
PF01640Peptidase_C10Peptidase C10 family
PF03415Peptidase_C11Clostripain family
PF01088Peptidase_C12Ubiquitin carboxyl-terminal hydrolase, family 1
PF01650Peptidase_C13Peptidase C13 family
PF00656Peptidase_C14Caspase domain
PF01470Peptidase_C15Pyroglutamyl peptidase
PF01831Peptidase_C16Peptidase C16 family
PF03051Peptidase_C1_2Peptidase C1-like family
PF00648Peptidase_C2Calpain family cysteine protease
PF05381Peptidase_C21Tymovirus endopeptidase
PF05379Peptidase_C23Carlavirus endopeptidase
PF03510Peptidase_C242C endopeptidase (C24) cysteine protease family
PF01364Peptidase_C25Peptidase family C25
PF03785Peptidase_C25_CPeptidase family C25, C terminal ig-like domain
PF07722Peptidase_C26Peptidase C26
PF05407Peptidase_C27Rubella virus endopeptidase
PF05408Peptidase_C28Foot-and-mouth virus L-proteinase
PF00548Peptidase_C33C cysteine protease (picornain 3C)
PF05409Peptidase_C30Coronavirus endopeptidase C30
PF05410Peptidase_C31Porcine arterivirus-type cysteine proteinase alpha
PF05411Peptidase_C32Equine arteritis virus putative proteinase
PF05412Peptidase_C33Equine arterivirus Nsp2-type cysteine proteinase
PF05413Peptidase_C34Putative closterovirus papain-like endopeptidase
PF05415Peptidase_C36Beet necrotic yellow vein furovirus-type papain-like endopeptidase
PF05416Peptidase_C37Southampton virus-type processing peptidase
PF03412Peptidase_C39Peptidase C39 family
PF13529Peptidase_C39_2Peptidase_C39 like family
PF12381Peptidase_C3GTungro spherical virus-type peptidase
PF00863Peptidase_C4Peptidase family C4
PF05417Peptidase_C41Hepatitis E cysteine protease
PF05533Peptidase_C42Beet yellows virus-type papain-like endopeptidase C42
PF05543Peptidase_C47Staphopain peptidase C47
PF02902Peptidase_C48Ulp1 protease family, C-terminal catalytic domain
PF00770Peptidase_C5Adenovirus endoprotease
PF03568Peptidase_C50Peptidase family C50
PF05550Peptidase_C53Pestivirus Npro endopeptidase C53
PF03416Peptidase_C54Peptidase family C54
PF03290Peptidase_C57Vaccinia virus I7 processing peptidase
PF03543Peptidase_C58Yersinia/Haemophilus virulence surface antigen
PF00851Peptidase_C6Helper component proteinase
PF12380Peptidase_C62Gill-associated viral 3C-like peptidase
PF10275Peptidase_C65Peptidase C65 Otubain
PF03577Peptidase_C69Peptidase family C69
PF01830Peptidase_C7Peptidase C7 family
PF12385Peptidase_C70Papain-like cysteine protease AvrRpt2
PF12386Peptidase_C71Pseudomurein endo-isopeptidase Pei
PF12387Peptidase_C74Pestivirus NS2 peptidase
PF07910Peptidase_C78Peptidase family C78
PF03569Peptidase_C8Peptidase family C8
PF11713Peptidase_C80Peptidase C80 family
PF01707Peptidase_C9Peptidase family C9
PF06035Peptidase_C93Bacterial transglutaminase-like cysteine proteinase BTLCP
PF05903Peptidase_C97PPPDE putative peptidase domain
PF15499Peptidase_C98Ubiquitin-specific peptidase-like, SUMO isopeptidase
PF11962Peptidase_G2Peptidase_G2, IMC autoproteolytic cleavage domain
PF01433Peptidase_M1Peptidase family M1
PF00413Peptidase_M10Matrixin
PF08548Peptidase_M10_CPeptidase M10 serralysin C terminal
PF05548Peptidase_M11Gametolysin peptidase M11
PF01431Peptidase_M13Peptidase family M13
PF05649Peptidase_M13_NPeptidase family M13
PF00246Peptidase_M14Zinc carboxypeptidase
PF01427Peptidase_M15D-ala-D-ala dipeptidase
PF05951Peptidase_M15_2Bacterial protein of unknown function (DUF882)
PF08291Peptidase_M15_3Peptidase M15
PF13539Peptidase_M15_4D-alanyl-D-alanine carboxypeptidase
PF00675Peptidase_M16Insulinase (Peptidase family M16)
PF05193Peptidase_M16_CPeptidase M16 inactive domain
PF00883Peptidase_M17Cytosol aminopeptidase family, catalytic domain
PF02789Peptidase_M17_NCytosol aminopeptidase family, N-terminal domain
PF02127Peptidase_M18Aminopeptidase I zinc metalloprotease (M18)
PF01244Peptidase_M19Membrane dipeptidase (Peptidase family M19)
PF01401Peptidase_M2Angiotensin-converting enzyme
PF01546Peptidase_M20Peptidase family M20/M25/M40
PF00814Peptidase_M22Glycoprotease family
PF01551Peptidase_M23Peptidase family M23
PF00557Peptidase_M24Metallopeptidase family M24
PF07580Peptidase_M26_CM26 IgA1-specific Metallo-endopeptidase C-terminal region
PF05342Peptidase_M26_NM26 IgA1-specific Metallo-endopeptidase N-terminal region
PF01742Peptidase_M27Clostridial neurotoxin zinc protease
PF04389Peptidase_M28Peptidase family M28
PF02073Peptidase_M29Thermophilic metalloprotease (M29)
PF01432Peptidase_M3Peptidase family M3
PF10460Peptidase_M30Peptidase M30
PF02074Peptidase_M32Carboxypeptidase Taq (M32) metallopeptidase
PF02102Peptidase_M35Deuterolysin metalloprotease (M35) family
PF02128Peptidase_M36Fungalysin metallopeptidase (M36)
PF08439Peptidase_M3_NOligopeptidase F
PF01447Peptidase_M4Thermolysin metallopeptidase, catalytic domain
PF01434Peptidase_M41Peptidase family M41
PF05343Peptidase_M42M42 glutamyl aminopeptidase
PF05572Peptidase_M43Pregnancy-associated plasma protein-A
PF03410Peptidase_M44Protein G1
PF01435Peptidase_M48Peptidase family M48
PF03571Peptidase_M49Peptidase family M49
PF02868Peptidase_M4_CThermolysin metallopeptidase, alpha-helical domain
PF02163Peptidase_M50Peptidase family M50
PF13398Peptidase_M50BPeptidase M50B-like
PF07998Peptidase_M54Peptidase family M54
PF04951Peptidase_M55D-aminopeptidase
PF05569Peptidase_M56BlaR1 peptidase M56
PF12388Peptidase_M57Dual-action HEIGH metallo-peptidase
PF05547Peptidase_M6Immune inhibitor A peptidase M6
PF05299Peptidase_M61M61 glycyl aminopeptidase
PF09471Peptidase_M64IgA Peptidase M64
PF10462Peptidase_M66Peptidase M66
PF02031Peptidase_M7Streptomyces extracellular neutral proteinase (M7) family
PF12389Peptidase_M73Camelysin metallo-endopeptidase
PF03411Peptidase_M74Penicillin-insensitive murein endopeptidase
PF09375Peptidase_M75Imelysin
PF09768Peptidase_M76Peptidase M76 family
PF01457Peptidase_M8Leishmanolysin
PF13678Peptidase_M85NFkB-p65-degrading zinc protease
PF01752Peptidase_M9Collagenase
PF06167Peptidase_M90Glucose-regulated metallo-peptidase M90
PF14891Peptidase_M91Effector protein
PF08453Peptidase_M9_NPeptidase family M9 N-terminal
PF13485Peptidase_MA_2Peptidase MA superfamily
PF00450Peptidase_S10Serine carboxypeptidase
PF00768Peptidase_S11D-alanyl-D-alanine carboxypeptidase
PF02113Peptidase_S13D-Ala-D-Ala carboxypeptidase 3 (S13) family
PF02129Peptidase_S15X-Pro dipeptidyl-peptidase (S15 family)
PF00716Peptidase_S21Assemblin (Peptidase family S21)
PF00717Peptidase_S24Peptidase S24-like
PF10502Peptidase_S26Signal peptidase, peptidase S26
PF05577Peptidase_S28Serine carboxypeptidase S28
PF02907Peptidase_S29Hepatitis C virus NS3 protease
PF00944Peptidase_S3Alphavirus core protein
PF01577Peptidase_S30Potyvirus P1 protease
PF05578Peptidase_S31Pestivirus NS3 polyprotein peptidase S31
PF05579Peptidase_S32Equine arteritis virus serine endopeptidase S32
PF05576Peptidase_S37PS-10 peptidase S37
PF02122Peptidase_S39Peptidase S39
PF03572Peptidase_S41Peptidase family S41
PF10459Peptidase_S46Peptidase S46
PF03574Peptidase_S48Peptidase family S48
PF01343Peptidase_S49Peptidase family S49
PF08496Peptidase_S49_NPeptidase family S49 N-terminal
PF03575Peptidase_S51Peptidase family S51
PF05580Peptidase_S55SpoIVB peptidase S55
PF03576Peptidase_S58Peptidase family S58
PF02395Peptidase_S6Immunoglobulin A1 protease
PF08192Peptidase_S64Peptidase family S64
PF02016Peptidase_S66LD-carboxypeptidase
PF10461Peptidase_S68Peptidase S68
PF00949Peptidase_S7Peptidase S7, Flavivirus NS3 serine protease
PF13884Peptidase_S74Chaperone of endosialidase
PF13611Peptidase_S76Serine peptidase of plant viral polyprotein, P1
PF00082Peptidase_S8Subtilase family
PF07230Peptidase_S80Bacteriophage T4-like capsid assembly protein (Gp20)
PF00326Peptidase_S9Prolyl oligopeptidase family
PF02897Peptidase_S9_NProlyl oligopeptidase, N-terminal beta-propeller domain
PF01136Peptidase_U32Peptidase family U32
PF04586Peptidase_U35Caudovirus prohead protease
PF14550Peptidase_U35_2Putative phage protease XkdF
PF03419Peptidase_U4Sporulation factor SpoIIGA
PF10464Peptidase_U40Peptidase U40
PF10463Peptidase_U49Peptidase U49
PF05582Peptidase_U57YabG peptidase U57
PF03420Peptidase_U9Prohead core protein protease
PF01195Pept_tRNA_hydroPeptidyl-tRNA hydrolase
PF08530PepX_CX-Pro dipeptidyl-peptidase C-terminal non-catalytic domain
PF09168PepX_NX-Prolyl dipeptidyl aminopeptidase PepX, N-terminal
PF01327Pep_deformylasePolypeptide deformylase
PF01562Pep_M12B_propepReprolysin family propeptide
PF13714PEP_mutasePhosphoenolpyruvate phosphomutase
PF04080Per1Per1-like
PF06590PerBPerB protein
PF06069PerCPerC transcriptional activator
PF07054Pericardin_rptPericardin like repeat
PF03036PerilipinPerilipin family
PF12114Period_CPeriod protein 2/3C-terminal region
PF00532Peripla_BP_1Periplasmic binding proteins and sugar binding domain of LacI family
PF01497Peripla_BP_2Periplasmic binding protein
PF13377Peripla_BP_3Periplasmic binding protein-like domain
PF13407Peripla_BP_4Periplasmic binding protein domain
PF13433Peripla_BP_5Periplasmic binding protein domain
PF13458Peripla_BP_6Periplasmic binding protein
PF08259PeriviscerokinPeriviscerokinin family
PF15629Perm-CXXCPermuted single zf-CXXC unit
PF02405PermeasePermease
PF00141peroxidasePeroxidase
PF01328Peroxidase_2Peroxidase, family 2
PF04088Peroxin-13_NPeroxin 13, N-terminal region
PF12827Peroxin-22Peroxisomal biogenesis protein family
PF04882Peroxin-3Peroxin-3
PF03212PertactinPertactin
PF09275Pertus-S4-toxPertussis toxin S4 subunit
PF09276Pertus-S5-toxPertussis toxin S5 subunit
PF02917Pertussis_S1Pertussis toxin, subunit 1
PF02918Pertussis_S2S3Pertussis toxin, subunit 2 and 3, C-terminal domain
PF07149Pes-10Pes-10
PF06732Pescadillo_NPescadillo N-terminus
PF06297PETPET Domain
PF05476PET122PET122
PF08634Pet127Mitochondrial protein Pet127
PF10203Pet191_NCytochrome c oxidase assembly protein PET191
PF08692Pet20Mitochondrial protein Pet20
PF02529PetGCytochrome B6-F complex subunit 5
PF05115PetLCytochrome B6-F complex subunit VI (PetL)
PF08041PetMPetM family of cytochrome b6f complex subunit 7
PF03742PetNPetN
PF09262PEX-1NPeroxisome biogenesis factor 1, N-terminal
PF09263PEX-2NPeroxisome biogenesis factor 1, N-terminal
PF05648PEX11Peroxisomal biogenesis factor 11 (PEX11)
PF04695Pex14_NPeroxisomal membrane anchor protein (Pex14p) conserved region
PF08610Pex16Peroxisomal membrane protein (Pex16)
PF04614Pex19Pex19 protein family
PF06398Pex24pIntegral peroxisomal membrane peroxin
PF07163Pex26Pex26 protein
PF04757Pex2_Pex12Pex2 / Pex12 amino terminal region
PF12484PE_PPE_CPolymorphic PE/PPE proteins C terminal
PF03011PFEMPPFEMP DBL domain
PF09216Pfg27Pfg27
PF00365PFKPhosphofructokinase
PF00294PfkBpfkB family carbohydrate kinase
PF02901PFLPyruvate formate lyase
PF12367PFO_beta_CPyruvate ferredoxin oxidoreductase beta subunit C terminal
PF09070PFUPFU (PLAA family ubiquitin binding)
PF11567PfUIS3Plasmodium falciparum UIS3 membrane protein
PF10333Pga1GPI-Mannosyltransferase II co-activator
PF07543PGA2Protein trafficking PGA2
PF13994PgaDPgaD-like protein
PF07644PGAMPPlanctomycete PGAMP
PF07819PGAP1PGAP1-like protein
PF09587PGA_capBacterial capsule synthesis protein PGA_cap
PF15437PGBA_CPlasminogen-binding protein pgbA C-terminal
PF15436PGBA_NPlasminogen-binding protein pgbA N-terminal
PF15549PGC7_StellaPGC7/Stella/Dppa3 domain
PF14083PGDYGPGDYG protein
PF13962PGGDomain of unknown function
PF00342PGIPhosphoglucose isomerase
PF00162PGKPhosphoglycerate kinase
PF08665PglZPglZ domain
PF02878PGM_PMM_IPhosphoglucomutase/phosphomannomutase, alpha/beta/alpha domain I
PF02879PGM_PMM_IIPhosphoglucomutase/phosphomannomutase, alpha/beta/alpha domain II
PF02880PGM_PMM_IIIPhosphoglucomutase/phosphomannomutase, alpha/beta/alpha domain III
PF00408PGM_PMM_IVPhosphoglucomutase/phosphomannomutase, C-terminal domain
PF04608PgpAPhosphatidylglycerophosphatase A
PF09656PGPGWPutative transmembrane protein (PGPGW)
PF09419PGP_phosphataseMitochondrial PGP phosphatase
PF01471PG_binding_1Putative peptidoglycan binding domain
PF08823PG_binding_2Putative peptidoglycan binding domain
PF09374PG_binding_3Predicted Peptidoglycan domain
PF12229PG_binding_4Putative peptidoglycan binding domain
PF00169PHPH domain
PF09638Ph1570Ph1570 protein
PF06542PHA-1Regulator protein PHA-1
PF07167PhaC_NPoly-beta-hydroxybutyrate polymerase (PhaC) N-terminus
PF10653Phage-A118_gp45Protein gp45 of Bacteriophage A118
PF09215Phage-Gp8Bacteriophage T4, Gp8
PF09077Phage-MuB_CMu B transposition protein, C terminal
PF09306Phage-scaffoldBacteriophage, scaffolding protein
PF09097Phage-tail_1Baseplate structural protein, domain 1
PF09096Phage-tail_2Baseplate structural protein, domain 2
PF13550Phage-tail_3Putative phage tail protein
PF10145PhageMin_TailPhage-related minor tail protein
PF09251PhageP22-tailSalmonella phage P22 tail-spike
PF09584Phageshock_PspDPhage shock protein PspD (Phageshock_PspD)
PF09583Phageshock_PspGPhage shock protein G (Phageshock_PspG)
PF08200Phage_1_1Bacteriophage 1.1 Protein
PF08010Phage_30_3Bacteriophage protein GP30.3
PF06019Phage_30_8Phage GP30.8 protein
PF05930Phage_AlpAProphage CP4-57 regulatory protein (AlpA)
PF06530Phage_antitermQPhage antitermination protein Q
PF06323Phage_antiter_QPhage antitermination protein Q
PF10554Phage_ASHAsh protein family
PF05354Phage_attachPhage Head-Tail Attachment
PF02304Phage_BScaffold protein B
PF04717Phage_base_VPhage-related baseplate assembly protein
PF09356Phage_BR0599Phage conserved hypothetical protein BR0599
PF12025Phage_CPhage protein C
PF05065Phage_capsidPhage capsid family
PF09018Phage_Capsid_P3P3 major capsid protein
PF03864Phage_cap_EPhage major capsid protein E
PF05125Phage_cap_P2Phage major capsid protein, P2 family
PF05269Phage_CIIBacteriophage CII protein
PF07022Phage_CI_reprBacteriophage CI repressor helix-turn-helix domain
PF09063Phage_coatPhage PP7 coat protein
PF05357Phage_Coat_APhage Coat Protein A
PF05356Phage_Coat_BPhage Coat protein B
PF05371Phage_Coat_Gp8Phage major coat protein, Gp8
PF05352Phage_connectorPhage Connector (GP10)
PF05135Phage_connect_1Phage gp6-like head-tail connector protein
PF10743Phage_CoxRegulatory phage protein cox
PF06892Phage_CP76Phage regulatory protein CII (CP76)
PF05144Phage_CRIPhage replication protein CRI
PF02303Phage_DNA_bindHelix-destabilising protein
PF11126Phage_DsbATranscriptional regulator DsbA
PF05367Phage_endo_IPhage endonuclease I
PF02305Phage_FCapsid protein (F protein)
PF03335Phage_fiberPhage tail fibre repeat
PF03406Phage_fiber_2Phage tail fibre repeat
PF06820Phage_fiber_CPutative prophage tail fibre C-terminus
PF05798Phage_FRD3Bacteriophage FRD3 protein
PF02306Phage_GMajor spike protein (G protein)
PF11108Phage_glycop_gLViral glycoprotein L
PF07410Phage_Gp111Streptococcus thermophilus bacteriophage Gp111 protein
PF10666Phage_Gp14Phage protein Gp14
PF06854Phage_Gp15Bacteriophage Gp15 protein
PF09355Phage_Gp19Phage protein Gp19/Gp15/Gp42
PF06810Phage_GP20Phage minor structural protein GP20
PF10669Phage_Gp23Protein gp23 (Bacteriophage A118)
PF13876Phage_gp49_66Phage protein (N4 Gp49/phage Sf6 gene 66) family
PF11246Phage_gp53Base plate wedge protein 53
PF05840Phage_GPABacteriophage replication gene A protein (GPA)
PF05954Phage_GPDPhage late control gene D protein (GPD)
PF05926Phage_GPLPhage head completion protein (GPL)
PF05929Phage_GPOPhage capsid scaffolding protein (GPO) serine peptidase
PF11113Phage_head_chapHead assembly gene product
PF11133Phage_head_fibrHead fiber protein
PF06120Phage_HK97_TLTMTail length tape measure protein
PF04688Phage_holinPhage lysis protein, holin
PF04531Phage_holin_1Bacteriophage holin
PF04550Phage_holin_2Phage holin family 2
PF05106Phage_holin_3Phage holin family (Lysis protein S)
PF05105Phage_holin_4Holin family
PF06946Phage_holin_5Phage holin
PF10746Phage_holin_6Phage holin family 6
PF11031Phage_holin_TBacteriophage T holin
PF11110Phage_hub_GP28Baseplate hub distal subunit
PF05521Phage_H_T_joinPhage head-tail joining protein
PF00589Phage_integrasePhage integrase family
PF13009Phage_Integr_2Putative phage integrase
PF09003Phage_integ_NBacteriophage lambda integrase, N-terminal domain
PF02899Phage_int_SAM_1Phage integrase, N-terminal SAM-like domain
PF12834Phage_int_SAM_2Phage integrase, N-terminal
PF14659Phage_int_SAM_3Phage integrase, N-terminal SAM-like domain
PF13495Phage_int_SAM_4Phage integrase, N-terminal SAM-like domain
PF13102Phage_int_SAM_5Phage integrase SAM-like domain
PF06992Phage_lambda_PReplication protein P
PF06894Phage_lambd_GpGBacteriophage lambda minor tail protein (GpG)
PF03245Phage_lysisBacteriophage Rz lysis protein
PF00959Phage_lysozymePhage lysozyme
PF03863Phage_mat-APhage maturation protein
PF06152Phage_min_cap2Phage minor capsid protein 2
PF05939Phage_min_tailPhage minor tail protein
PF04233Phage_Mu_FPhage Mu protein F like protein
PF07352Phage_Mu_GamBacteriophage Mu Gam like protein
PF06890Phage_Mu_Gp45Bacteriophage Mu Gp45 protein
PF06322Phage_NinHPhage NinH protein
PF07471Phage_Nu1Phage DNA packaging protein Nu1
PF06194Phage_Orf51Phage Conserved Open Reading Frame 51
PF06528Phage_P2_GpEPhage P2 GpE
PF06995Phage_P2_GpUPhage P2 GpU
PF04860Phage_portalPhage portal protein
PF05136Phage_portal_2Phage portal protein, lambda family
PF09669Phage_pRhaPhage regulatory protein Rha (Phage_pRha)
PF05133Phage_prot_Gp6Phage portal protein, SPP1 Gp6-like
PF04492Phage_rep_OBacteriophage replication protein O
PF09681Phage_rep_org_NN-terminal phage replisome organiser (Phage_rep_org_N)
PF10789Phage_RpbAPhage RNA polymerase binding, RpbA
PF04984Phage_sheath_1Phage tail sheath protein
PF11134Phage_stabilisePhage stabilisation protein
PF06841Phage_T4_gp19T4-like virus tail tube protein gp19
PF06919Phage_T4_Gp30_7Phage Gp30.7 protein
PF03903Phage_T4_gp36Phage T4 tail fibre
PF06591Phage_T4_NddT4-like phage nuclear disruption protein (Ndd)
PF05396Phage_T7_CapsidPhage T7 capsid assembly protein
PF03906Phage_T7_tailPhage T7 tail fibre protein
PF06222Phage_TACPhage tail assembly chaperone
PF04630Phage_tailPhage major tail protein
PF06199Phage_tail_2Phage major tail protein 2
PF08813Phage_tail_3Phage tail protein
PF05100Phage_tail_LPhage minor tail protein L
PF08400phage_tail_NProphage tail fibre N-terminal
PF05069Phage_tail_SPhage virion morphogenesis family
PF06223Phage_tail_TMinor tail protein T
PF06141Phage_tail_UPhage minor tail protein U
PF05489Phage_tail_XPhage Tail Protein X
PF10668Phage_terminasePhage terminase small subunit
PF07141Phage_term_smaPutative bacteriophage terminase small subunit
PF05944Phage_term_smalPhage small terminase subunit
PF04761Phage_TregLactococcus bacteriophage putative transcription regulator
PF04985Phage_tubePhage tail tube protein FII
PF05155Phage_XPhage X family
PF09693Phage_XkdXPhage uncharacterised protein (Phage_XkdX)
PF03334PhaG_MnhG_YufBNa+/H+ antiporter subunit
PF09602PhaP_BmegPolyhydroxyalkanoic acid inclusion protein (PhaP_Bmeg)
PF05597PhasinPoly(hydroxyalcanoate) granule associated protein (phasin)
PF09361Phasin_2Phasin protein
PF09246PHATPHAT
PF09650PHA_gran_rgnPutative polyhydroxyalkanoic acid system protein (PHA_gran_rgn)
PF09712PHA_synth_III_EPoly(R)-hydroxyalkanoic acid synthase subunit (PHA_synth_III_E)
PF12551PHBC_NPoly-beta-hydroxybutyrate polymerase N terminal
PF05233PHB_accPHB accumulation regulatory domain
PF07879PHB_acc_NPHB/PHA accumulation regulator DNA-binding domain
PF06850PHB_depo_CPHB de-polymerase C-terminus
PF00628PHDPHD-finger
PF02604PhdYeFM_antitoxAntitoxin Phd_YefM, type II toxin-antitoxin system
PF13831PHD_2PHD-finger
PF13922PHD_3PHD domain of transcriptional enhancer, Asx
PF02332Phenol_HydroxMethane/Phenol/Toluene Hydroxylase
PF06099Phenol_hyd_subPhenol hydroxylase subunit
PF13557Phenol_MetA_degPutative MetA-pathway of phenol degradation
PF04663Phenol_monooxPhenol hydroxylase conserved region
PF09662Phenyl_P_gammaPhenylphosphate carboxylase gamma subunit (Phenyl_P_gamma)
PF08015PheromoneFungal mating-type pheromone
PF07976Phe_hydrox_dimPhenol hydroxylase, C-terminal dimerisation domain
PF02912Phe_tRNA-synt_NAminoacyl tRNA synthetase class II, N-terminal domain
PF08916Phe_ZIPPhenylalanine zipper
PF03660PHF5PHF5-like protein
PF09524Phg_2220_CConserved phage C-terminus (Phg_2220_C)
PF06720Phi-29_GP16_7Bacteriophage phi-29 early protein GP16.7
PF05435Phi-29_GP3Phi-29 DNA terminal protein GP3
PF05464Phi-29_GP4Phi-29-like late genes activator (early protein GP4)
PF12699phiKZ_IPphiKZ-like phage internal head proteins
PF04674Phi_1Phosphate-induced protein 1 conserved region
PF07243Phlebovirus_G1Phlebovirus glycoprotein G1
PF07245Phlebovirus_G2Phlebovirus glycoprotein G2
PF07246Phlebovirus_NSMPhlebovirus nonstructural protein NS-M
PF03831PhnAPhnA protein
PF08274PhnA_Zn_RibbonPhnA Zinc-Ribbon
PF06754PhnGPhosphonate metabolism protein PhnG
PF05845PhnHBacterial phosphonate metabolism protein (PhnH)
PF05861PhnIBacterial phosphonate metabolism protein (PhnI)
PF06007PhnJPhosphonate metabolism protein PhnJ
PF01384PHO4Phosphate transporter family
PF11124Pho86Inorganic phosphate transporter Pho86
PF10032Pho88Phosphate transport (Pho88)
PF09423PhoDPhoD-like phosphatase
PF02562PhoHPhoH-like protein
PF10142PhoPQ_relatedPhoPQ-activated pathogenicity-related protein
PF08918PhoQ_SensorPhoQ Sensor
PF02114PhosducinPhosducin
PF10143PhosphMutase2,3-bisphosphoglycerate-independent phosphoglycerate mutase
PF01663PhosphodiestType I phosphodiesterase / nucleotide pyrophosphatase
PF04185PhosphoesterasePhosphoesterase family
PF04272PhospholambanPhospholamban
PF00068Phospholip_A2_1Phospholipase A2
PF05826Phospholip_A2_2Phospholipase A2
PF09056Phospholip_A2_3Prokaryotic phospholipase A2
PF04916Phospholip_BPhospholipase B
PF12974Phosphonate-bdABC transporter, phosphonate, periplasmic substrate-binding protein
PF00922PhosphoproteinVesiculovirus phosphoprotein
PF00343PhosphorylaseCarbohydrate phosphorylase
PF10195Phospho_p8DNA-binding nuclear phosphoprotein p8
PF13914PhostensinPhostensin PP1-binding and SH3-binding region
PF13916Phostensin_NPP1-regulatory protein, Phostensin N-terminal
PF08543Phos_pyr_kinPhosphomethylpyrimidine kinase
PF00124Photo_RCPhotosynthetic reaction centre protein
PF01895PhoUPhoU domain
PF01865PhoU_divProtein of unknown function DUF47
PF02811PHPPHP domain
PF13263PHP_CPHP-associated
PF08005PHRPHR domain
PF11131PhrC_PhrFRap-phr extracellular signalling
PF14728PHTB1_CPTHB1 C-terminus
PF14727PHTB1_NPTHB1 N-terminus
PF12129Phtf-FEM1B_bdgMale germ-cell putative homeodomain transcription factor
PF00360PHYPhytochrome region
PF00502PhycobilisomePhycobilisome protein
PF02972Phycoerythr_abPhycoerythrin, alpha/beta chain
PF05721PhyHPhytanoyl-CoA dioxygenase (PhyH)
PF02333PhytasePhytase
PF13449Phytase-likeEsterase-like activity of phytase
PF15438Phyto-AmpAntigenic membrane protein of phytoplasma
PF05023PhytochelatinPhytochelatin synthase
PF09328Phytochelatin_CDomain of unknown function (DUF1984)
PF07124Phytoreo_P8Phytoreovirus outer capsid protein P8
PF05451Phytoreo_PnsPhytoreovirus nonstructural protein Pns10/11
PF07236Phytoreo_S7Phytoreovirus S7 protein
PF05878Phyto_Pns9_10Phytoreovirus nonstructural protein Pns9/Pns10
PF03284PHZA_PHZBPhenazine biosynthesis protein A/B
PF02567PhzC-PhzFPhenazine biosynthesis-like protein
PF15411PH_10Pleckstrin homology domain
PF15413PH_11Pleckstrin homology domain
PF08458PH_2Plant pleckstrin homology-like region
PF14593PH_3PH domain
PF15404PH_4Pleckstrin homology domain
PF15405PH_5Pleckstrin homology domain
PF15406PH_6Pleckstrin homology domain
PF15408PH_7Pleckstrin homology domain
PF15409PH_8Pleckstrin homology domain
PF15410PH_9Pleckstrin homology domain
PF14844PH_BEACHPH domain associated with Beige/BEACH
PF00388PI-PLC-XPhosphatidylinositol-specific phospholipase C, X domain
PF00387PI-PLC-YPhosphatidylinositol-specific phospholipase C, Y domain
PF08577PI31_Prot_CPI31 proteasome regulator
PF11566PI31_Prot_NPI31 proteasome regulator N-terminal
PF00613PI3KaPhosphoinositide 3-kinase family, accessory domain (PIK domain)
PF10486PI3K_1B_p101Phosphoinositide 3-kinase gamma adapter protein p101 subunit
PF00792PI3K_C2Phosphoinositide 3-kinase C2
PF02192PI3K_p85BPI3-kinase family, p85-binding domain
PF00794PI3K_rbdPI3-kinase family, ras-binding domain
PF00454PI3_PI4_kinasePhosphatidylinositol 3- and 4-kinase
PF06363Picorna_P3APicornaviridae P3A protein
PF02226Pico_P1APicornavirus coat protein (VP4)
PF00947Pico_P2APicornavirus core protein 2A
PF01552Pico_P2BPicornavirus 2B protein
PF00640PIDPhosphotyrosine interaction domain (PTB/PID)
PF14719PID_2Phosphotyrosine interaction domain (PTB/PID)
PF05092PIFPer os infectivity
PF05970PIF1PIF1-like helicase
PF06699PIG-FGPI biosynthesis protein family Pig-F
PF10181PIG-HGPI-GlcNAc transferase complex, PIG-H component
PF02585PIG-LGlcNAc-PI de-N-acetylase
PF08510PIG-PPIG-P
PF10510PIG-SPhosphatidylinositol-glycan biosynthesis class S protein
PF06728PIG-UGPI transamidase subunit PIG-U
PF08320PIG-XPIG-X / PBN1
PF15159PIG-YPhosphatidylinositol N-acetylglucosaminyltransferase subunit Y
PF08288PIGAPIGA (GPI anchor biosynthesis)
PF06324Pigment_DHPigment-dispersing hormone (PDH)
PF04987PigNPhosphatidylinositolglycan class N (PIG-N)
PF08190PIH1pre-RNA processing PIH1/Nop17
PF11522Pik1Yeast phosphatidylinositol-4-OH kinase Pik1
PF13805Pil1Eisosome component PIL1
PF10623PilIPlasmid conjugative transfer protein PilI
PF00114PilinPilin (bacterial filament)
PF14245Pilin_PilAType IV pilin PilA
PF11530Pilin_PilXMinor type IV pilin, PilX
PF13675PilJType IV pili methyl-accepting chemotaxis transducer N-term
PF07419PilMPilM
PF11104PilM_2Type IV pilus assembly protein PilM;
PF05137PilNFimbrial assembly protein (PilN)
PF04350PilOPilus assembly protein, PilO
PF04351PilPPilus assembly protein, PilP
PF08805PilSPilS N terminal
PF15453PiltProtein incorporated later into Tight Junctions
PF09476Pilus_CpaDPilus biogenesis CpaD protein (pilus_cpaD)
PF11356Pilus_PilPType IV pilus biogenesis
PF13681PilXType IV pilus assembly protein PilX C-term
PF14341PilX_NPilX N-terminal
PF07238PilZPilZ domain
PF01850PINPIN domain
PF04696Pinin_SDK_memApinin/SDK/memA/ protein conserved region
PF04697Pinin_SDK_Npinin/SDK conserved region
PF14324PINITPINIT domain
PF10130PIN_2PIN domain
PF13470PIN_3PIN domain
PF13638PIN_4PIN domain
PF12260PIP49_CProtein-kinase domain of FAM69
PF14875PIP49_NN-term cysteine-rich ER, FAM69
PF01504PIP5KPhosphatidylinositol-4-phosphate 5-Kinase
PF07108PipAPipA protein
PF00399PIRYeast PIR protein repeat
PF02678PirinPirin
PF05726Pirin_CPirin C-terminal cupin domain
PF15099PIRTPhosphoinositide-interacting protein family
PF06201PITHPITH domain
PF02171PiwiPiwi domain
PF12306PixAInclusion body protein
PF00224PKPyruvate kinase, barrel domain
PF00801PKDPKD domain
PF08016PKD_channelPolycystin cation channel
PF02827PKIcAMP-dependent protein kinase inhibitor
PF02173pKIDpKID domain
PF00069PkinaseProtein kinase domain
PF00433Pkinase_CProtein kinase C terminal domain
PF07714Pkinase_TyrProtein tyrosine kinase
PF06878Pkip-1Pkip-1 protein
PF12474PKKPolo kinase kinase
PF14032PknH_CPknH-like extracellular domain
PF08636Pkr1ER protein Pkr1
PF02887PK_CPyruvate kinase, alpha/beta domain
PF02253PLA1Phospholipase A1
PF06951PLA2G12Group XII secretory phospholipase A2 precursor (PLA2G12)
PF01735PLA2_BLysophospholipase catalytic domain
PF02988PLA2_inhPhospholipase A2 inhibitor
PF08686PLACPLAC (protease and lacunin) domain
PF04749PLAC8PLAC8 family
PF15205PLAC9Placenta-specific protein 9
PF07595Planc_extracelPlanctomycete extracellular
PF10532Plant_all_betaPlant specific N-all beta domain
PF06694Plant_NMP1Plant nuclear matrix protein 1 (NMP1)
PF04827Plant_tranPlant transposon protein
PF01307Plant_vir_protPlant viral movement protein
PF10533Plant_zn_clustPlant zinc cluster domain
PF05015Plasmid_killerPlasmid maintenance system killer protein
PF01672Plasmid_partiPutative plasmid partition protein
PF09686Plasmid_RAQPRDPlasmid protein of unknown function (Plasmid_RAQPRD)
PF05016Plasmid_stabilPlasmid stabilisation system protein
PF10784Plasmid_stab_BPlasmid stability protein
PF12703plasmid_ToxinToxin of toxin-antitoxin type 1 system
PF06769Plasmid_TxePlasmid encoded toxin Txe
PF05403Plasmodium_HRPPlasmodium histidine-rich protein (HRPII/III)
PF05795Plasmodium_VirPlasmodium vivax Vir protein
PF09715Plasmod_dom_1Plasmodium protein of unknown function (Plasmod_dom_1)
PF07981Plasmod_MYXSPDYPlasmodium repeat_MYXSPDY
PF06247Plasmod_Pvs28Plasmodium ookinete surface protein Pvs28
PF01477PLATPLAT/LH2 domain
PF04640PLATZPLATZ transcription factor
PF08703PLC-beta_CPLC-beta C terminal
PF00614PLDcPhospholipase D Active site motif
PF13091PLDc_2PLD-like domain
PF13918PLDc_3PLD-like domain
PF13396PLDc_NPhospholipase_D-nuclease N-terminal
PF12357PLD_CPhospholipase D C terminal
PF00681PlectinPlectin repeat
PF08337Plexin_cytoplPlexin cytoplasmic RasGAP domain
PF01690PLRV_ORF5Potato leaf roll virus readthrough protein
PF08429PLU-1PLU-1-like protein
PF07715PlugTonB-dependent Receptor Plug Domain
PF10559Plug_transloconPlug domain of Sec61p
PF03126Plus-3Plus-3 domain
PF11477PM0188Sialyltransferase PMO188
PF15150PMAIP1Phorbol-12-myristate-13-acetate-induced
PF01523PmbA_TldDPutative modulator of DNA gyrase
PF09373PMBRPseudomurein-binding repeat
PF08066PMC2NTPMC2NT (NUC016) domain
PF10536PMDPlant mobile domain
PF04043PMEIPlant invertase/pectin methylesterase inhibitor
PF05287PMGPMG protein
PF01238PMI_typeIPhosphomannose isomerase type I
PF03332PMMEukaryotic phosphomannomutase
PF14100PmoAMethane oxygenase PmoA
PF08114PMP1_2ATPase proteolipid family
PF00822PMP22_ClaudinPMP-22/EMP/MP20/Claudin family
PF01679Pmp3Proteolipid membrane potential modulator
PF14416PMR5NPMR5 N terminal Domain
PF11183PmrDPolymyxin resistance protein PmrD
PF15322PMSI1Protein missing in infertile sperm 1, putative
PF01625PMSRPeptide methionine sulfoxide reductase
PF02366PMTDolichyl-phosphate-mannose-protein mannosyltransferase
PF13231PMT_2Dolichyl-phosphate-mannose-protein mannosyltransferase
PF11647PMT_CC-terminal region of Pasteurella multocida toxin residues 569-1285
PF06436Pneumovirus_M2Pneumovirus matrix protein 2 (M2)
PF05539Pneumo_att_GPneumovirinae attachment membrane glycoprotein G
PF07380Pneumo_M2Pneumovirus M2 protein
PF03393Pneumo_matrixPneumovirus matrix protein
PF03246Pneumo_ncapPneumovirus nucleocapsid protein
PF03438Pneumo_NS1Pneumovirus NS1 protein
PF02478Pneumo_phosprotPneumovirus phosphoprotein
PF12222PNGaseAPeptide N-acetyl-beta-D-glucosaminyl asparaginase amidase A
PF08645PNK3PPolynucleotide kinase 3 phosphatase
PF14893PNMAPNMA
PF03726PNPasePolyribonucleotide nucleotidyltransferase, RNA binding domain
PF12111PNPase_CPolyribonucleotide phosphorylase C terminal
PF10590PNPOx_CPyridoxine 5'-phosphate oxidase C-terminal dimerisation region
PF01048PNP_UDP_1Phosphorylase superfamily
PF15365PNRCProline-rich nuclear receptor coactivator
PF02233PNTBNAD(P) transhydrogenase beta subunit
PF10450POC1POC1 chaperone
PF10114PocRSensory domain found in PocR
PF05808PodoplaninPodoplanin
PF05894Podovirus_Gp16Podovirus DNA encapsidation protein (Gp16)
PF03833PolC_DP2DNA polymerase II large subunit DP2
PF01357Pollen_allerg_1Pollen allergen
PF01620Pollen_allerg_2Ribonuclease (pollen allergen)
PF01190Pollen_Ole_e_IPollen proteins Ole e I like
PF00659POLO_boxPOLO box duplicated region
PF01743PolyA_polPoly A polymerase head domain
PF12626PolyA_pol_arg_CPolymerase A arginine-rich C-terminus
PF12627PolyA_pol_RNAbdProbable RNA and SrmB- binding site of polymerase A
PF01518PolyG_polSigma NS protein
PF00738PolyhedrinPolyhedrin
PF03364Polyketide_cycPolyketide cyclase / dehydrase and lipid transport
PF10604Polyketide_cyc2Polyketide cyclase / dehydrase and lipid transport
PF01736Polyoma_agnoPolyomavirus agnoprotein
PF00718Polyoma_coatPolyomavirus coat protein
PF00761Polyoma_coat2Polyomavirus coat protein
PF06431Polyoma_lg_T_CPolyomavirus large T antigen C-terminus
PF00348polyprenyl_syntPolyprenyl synthetase
PF01522Polysacc_deac_1Polysaccharide deacetylase
PF04748Polysacc_deac_2Divergent polysaccharide deacetylase
PF15421Polysacc_deac_3Putative polysaccharide deacetylase
PF14099Polysacc_lyasePolysaccharide lyase
PF01943Polysacc_syntPolysaccharide biosynthesis protein
PF02719Polysacc_synt_2Polysaccharide biosynthesis protein
PF13440Polysacc_synt_3Polysaccharide biosynthesis protein
PF04669Polysacc_synt_4Polysaccharide biosynthesis
PF14667Polysacc_synt_CPolysaccharide biosynthesis C-terminal domain
PF08485Polysacc_syn_2CPolysaccharide biosynthesis protein C-terminal
PF02563Poly_exportPolysaccharide biosynthesis/export protein
PF08418Pol_alpha_B_NDNA polymerase alpha subunit B N-terminal
PF15229POM121POM121 family
PF09437Pombe_5TMPombe specific 5TM protein
PF07442PonericinPonericin
PF06978POP1Ribonucleases P/MRP protein subunit POP1
PF04831PopeyePopeye protein conserved region
PF08170POPLDPOPLD (NUC188) domain
PF01558PORPyruvate ferredoxin/flavodoxin oxidoreductase
PF11565PorBAlpha helical Porin B
PF00267Porin_1Gram-negative porin
PF02530Porin_2Porin subfamily
PF01459Porin_3Eukaryotic porin
PF13609Porin_4Gram-negative porin
PF09381Porin_OmpGOuter membrane protein G (OmpG)
PF11389Porin_OmpL1Leptospira porin protein OmpL1
PF07396Porin_O_PPhosphate-selective porin O and P
PF01379Porphobil_deamPorphobilinogen deaminase, dipyromethane cofactor binding domain
PF03900Porphobil_deamCPorphobilinogen deaminase, C-terminal domain
PF09697Porph_gingProtein of unknown function (Porph_ging)
PF11955PORRPlant organelle RNA recognition domain
PF01855POR_NPyruvate flavodoxin/ferredoxin oxidoreductase, thiamine diP-bdg
PF13797Post_transc_regPost-transcriptional regulator
PF02765POT1Telomeric single stranded DNA binding POT1/CDC13
PF11404Potassium_channPotassium voltage-gated channel
PF09604Potass_KdpFF subunit of K+-transporting ATPase (Potass_KdpF)
PF00280potato_inhibitPotato inhibitor I family
PF06184Potex_coatPotexvirus coat protein
PF08478POTRA_1POTRA domain, FtsQ-type
PF08479POTRA_2POTRA domain, ShlB-type
PF13608Potyvirid-P3Protein P3 of Potyviral polyprotein
PF00767Poty_coatPotyvirus coat protein
PF08440Poty_PPPotyviridae polyprotein
PF00157PouPou domain - N-terminal to homeobox domain
PF07526POXAssociated with HOX
PF06227PoxvirusdsDNA Poxvirus
PF04395Poxvirus_B22RPoxvirus B22R protein
PF13168Poxvirus_B22R_CPoxvirus B22R protein C-terminal
PF13169Poxvirus_B22R_NPoxvirus B22R protein N-terminal
PF05061Pox_A11Poxvirus A11 Protein
PF04651Pox_A12Poxvirus A12 protein
PF05767Pox_A14Poxvirus virion envelope protein A14
PF05323Pox_A21Poxvirus A21 Protein
PF04848Pox_A22Poxvirus A22 protein
PF04584Pox_A28Poxvirus A28 family
PF06086Pox_A30L_A26LOrthopoxvirus A26L/A30L protein
PF05771Pox_A31Poxvirus A31 protein
PF04665Pox_A32Poxvirus A32 protein
PF05288Pox_A3LPoxvirus A3L Protein
PF04948Pox_A51Poxvirus A51 protein
PF04924Pox_A6Poxvirus A6 protein
PF04745Pox_A8VITF-3 subunit protein
PF04835Pox_A9A9 protein conserved region
PF03286Pox_Ag35Pox virus Ag35 surface protein
PF10640Pox_ATPase-GTmRNA capping enzyme N-terminal, ATPase and guanylyltransferase
PF04508Pox_A_type_incViral A-type inclusion protein repeat
PF03336Pox_C4_C10Poxvirus C4/C10 protein
PF03287Pox_C7_F8APoxvirus C7/F8A protein
PF04701Pox_D2Pox virus D2 protein
PF04580Pox_D3Chordopoxvirinae D3 protein
PF03288Pox_D5Poxvirus D5 protein-like
PF04805Pox_E10E10-like protein conserved region
PF04497Pox_E2-likePoxviridae protein
PF04656Pox_E6Pox virus E6 protein
PF03394Pox_E8Poxvirus E8 protein
PF04943Pox_F11Poxvirus F11 protein
PF03337Pox_F12LPoxvirus F12L protein
PF04596Pox_F15Poxvirus protein F15
PF04708Pox_F16Poxvirus F16 protein
PF04767Pox_F17DNA-binding 11 kDa phosphoprotein
PF04599Pox_G5Poxvirus G5 protein
PF05503Pox_G7Poxvirus G7-like
PF04787Pox_H7Late protein H7
PF03289Pox_I1Poxvirus protein I1
PF04661Pox_I3Poxvirus I3 ssDNA-binding protein
PF04713Pox_I5Poxvirus protein I5
PF04595Pox_I6Poxvirus I6-like family
PF05718Pox_int_transPoxvirus intermediate transcription factor
PF03338Pox_J1Poxvirus J1 protein
PF03339Pox_L3_FP4Poxvirus L3/FP4 protein
PF04872Pox_L5Poxvirus L5 protein family
PF03356Pox_LP_H2Viral late protein H2
PF04887Pox_M2Poxvirus M2 protein
PF03291Pox_MCELmRNA capping enzyme
PF03341Pox_mRNA-capPoxvirus mRNA capping enzyme, small subunit
PF05313Pox_P21Poxvirus P21 membrane protein
PF03213Pox_P35Poxvirus P35 protein
PF03395Pox_P4APoxvirus P4A protein
PF03292Pox_P4BPoxvirus P4B major core protein
PF03296Pox_polyA_polPoxvirus poly(A) polymerase nucleotidyltransferase domain
PF12629Pox_polyA_pol_CPoxvirus poly(A) polymerase C-terminal domain
PF12630Pox_polyA_pol_NPoxvirus poly(A) polymerase N-terminal domain
PF03294Pox_Rap94RNA polymerase-associated transcription specificity factor, Rap94
PF03340Pox_RifPoxvirus rifampicin resistance protein
PF03293Pox_RNA_polPoxvirus DNA-directed RNA polymerase, 18 kD subunit
PF05320Pox_RNA_Pol_19Poxvirus DNA-directed RNA polymerase 19 kDa subunit
PF05273Pox_RNA_Pol_22Poxvirus RNA polymerase 22 kDa subunit
PF03396Pox_RNA_pol_35Poxvirus DNA-directed RNA polymerase, 35 kD subunit
PF05445Pox_ser-thr_kinPoxvirus serine/threonine protein kinase
PF04490Pox_T4_CPoxvirus T4 protein, C terminus
PF04491Pox_T4_NPoxvirus T4 protein, N terminus
PF03295Pox_TAA1Poxvirus trans-activator protein A1 C-terminal
PF03355Pox_TAPViral Trans-Activator Protein
PF04441Pox_VERT_largePoxvirus early transcription factor (VETF), large subunit
PF05566Pox_vIL-18BPOrthopoxvirus interleukin 18 binding protein
PF04947Pox_VLTF3Poxvirus Late Transcription Factor VLTF3 like
PF04498Pox_VP8_L4RPoxvirus nucleic acid binding protein VP8/L4R
PF00550PP-bindingPhosphopantetheine attachment site
PF14573PP-binding_2Acyl-carrier
PF07430PP1Phloem filament protein PP1
PF10488PP1c_bdgPhosphatase-1 catalytic subunit binding region
PF15276PP1_bindProtein phosphatase 1 binding
PF05361PP1_inhibitorPKC-activated protein phosphatase-1 inhibitor
PF14299PP2Phloem protein 2
PF10252PP28Casein kinase substrate phosphoprotein PP28
PF00481PP2CProtein phosphatase 2C
PF13672PP2C_2Protein phosphatase 2C
PF07830PP2C_CProtein serine/threonine phosphatase 2C, C-terminal domain
PF02818PPAKPPAK motif
PF12577PPARgamma_NPPAR gamma N-terminal region
PF04151PPCBacterial pre-peptidase C-terminal domain
PF15060PPDFLDifferentiation and proliferation regulator
PF01326PPDK_NPyruvate phosphate dikinase, PEP/pyruvate binding domain
PF00823PPEPPE family
PF07491PPI_Ypi1Protein phosphatase inhibitor
PF03976PPK2Polyphosphate kinase 2 (PPK2)
PF12142PPO1_DWLPolyphenol oxidase middle domain
PF12143PPO1_KFDVProtein of unknown function (DUF_B2219)
PF15503PPP1R35_CProtein phosphatase 1 regulatory subunit 35 C-terminus
PF09184PPP4R2PPP4R2
PF08321PPP5PPP5 TPR repeat region
PF14895PPPI_inhibProtein phosphatase 1 inhibitor
PF01535PPRPPR repeat
PF12854PPR_1PPR repeat
PF13041PPR_2PPR repeat family
PF13812PPR_3Pentatricopeptide repeat domain
PF01239PPTAProtein prenyltransferase alpha subunit repeat
PF14427Pput2613-deamPput_2613-like deaminase
PF00519PPV_E1_CPapillomavirus helicase
PF00524PPV_E1_NE1 Protein, N terminal domain
PF00511PPV_E2_CE2 (early) protein, C terminal
PF00508PPV_E2_NE2 (early) protein, N terminal
PF02541Ppx-GppAPpx/GppA phosphatase family
PF02503PP_kinasePolyphosphate kinase middle domain
PF13090PP_kinase_CPolyphosphate kinase C-terminal domain
PF13089PP_kinase_NPolyphosphate kinase N-terminal domain
PF03012PP_M1Phosphoprotein
PF04193PQ-loopPQ loop repeat
PF04403PqiAParaquat-inducible protein A
PF01011PQQPQQ enzyme repeat
PF08042PqqAPqqA family
PF05402PqqDCoenzyme PQQ synthesis protein D (PqqD)
PF13360PQQ_2PQQ-like domain
PF13570PQQ_3PQQ-like domain
PF01502PRA-CHPhosphoribosyl-AMP cyclohydrolase
PF01503PRA-PHPhosphoribosyl-ATP pyrophosphohydrolase
PF03208PRA1PRA1 family protein
PF00697PRAIN-(5'phosphoribosyl)anthranilate (PRA) isomerase
PF09372PRANCPRANC domain
PF15314PRAPProline-rich acidic protein 1, pregnancy-specific uterine
PF05239PRCPRC-barrel domain
PF14343PrcB_CPrcB C-terminal
PF10253PRCCMitotic checkpoint regulator, MAD2B-interacting
PF03967PRCHPhotosynthetic reaction centre, H-chain N-terminal region
PF00874PRDPRD domain
PF09214Prd1-P2Bacteriophage Prd1, adsorption protein P2
PF08270PRD_MgaM protein trans-acting positive regulator (MGA) PRD domain
PF05033Pre-SETPre-SET motif
PF02996PrefoldinPrefoldin subunit
PF01920Prefoldin_2Prefoldin subunit
PF13758Prefoldin_3Prefoldin subunit
PF04707PRELIPRELI-like family
PF07156Prenylcys_lyasePrenylcysteine lyase
PF00432PrenyltransPrenyltransferase and squalene oxidase repeat
PF01255PrenyltransfPutative undecaprenyl diphosphate synthase
PF13243Prenyltrans_1Prenyltransferase-like
PF13249Prenyltrans_2Prenyltransferase-like
PF09687PRESANPlasmodium RESA N-terminal
PF01080PresenilinPresenilin
PF09029Preseq_ALAS5-aminolevulinate synthase presequence
PF07530PRE_C2HCAssociated with zinc fingers
PF06875PRFPlethodontid receptivity factor PRF
PF09480PrgHType III secretion system protein PrgH-EprH (PrgH)
PF12666PrgIPrgI family protein
PF09627PrgUPrgU-like protein
PF07929PRiA4_ORF3Plasmid pRiA4b ORF-3-like protein
PF00156PribosyltranPhosphoribosyl transferase domain
PF13793Pribosyltran_NN-terminal domain of ribose phosphate pyrophosphokinase
PF14572Pribosyl_synthPhosphoribosyl synthetase-associated domain
PF07445priB_priCPrimosomal replication protein priB and priC
PF08708PriCT_1Primase C terminal 1 (PriCT-1)
PF08707PriCT_2Primase C terminal 2 (PriCT-2)
PF09250Prim-PolBifunctional DNA primase/polymerase, N-terminal
PF08273Prim_Zn_RibbonZinc-binding domain of primase-helicase
PF00377PrionPrion/Doppel alpha-helical domain
PF11587Prion_bPrPpMajor prion protein bPrPp - N terminal
PF03991Prion_octapepCopper binding octapeptide repeat
PF03063PrismanePrismane/CO dehydrogenase family
PF00485PRKPhosphoribulokinase / Uridine kinase family
PF06798PrkAPrkA serine protein kinase C-terminal domain
PF07915PRKCSHGlucosidase II beta subunit-like protein
PF12999PRKCSH-likeGlucosidase II beta subunit-like
PF13015PRKCSH_1Glucosidase II beta subunit-like protein
PF06325PrmARibosomal protein L11 methyltransferase (PrmA)
PF05185PRMT5PRMT5 arginine-N-methyltransferase
PF13010pRN1_helicalPrimase helical domain
PF15174PRNTPrion-related protein testis-specific
PF09286Pro-kuma_activPro-kumamolisin, activation domain
PF05824Pro-MCHPro-melanin-concentrating hormone (Pro-MCH)
PF07421Pro-NT_NNNeurotensin/neuromedin N precursor
PF15240Pro-richProline-rich
PF15455Pro-rich_19Proline-rich 19
PF08082PRO8NTPRO8NT (NUC069), PrP8 N-terminal domain
PF08083PROCNPROCN (NUC071) domain
PF08084PROCTPROCT (NUC072) domain
PF00235ProfilinProfilin
PF02161Prog_receptorProgesterone receptor
PF12177Proho_convertProhormone convertase enzyme
PF14457Prok-E2_AProkaryotic E2 family A
PF14461Prok-E2_BProkaryotic E2 family B
PF14459Prok-E2_CProkaryotic E2 family C
PF14460Prok-E2_DProkaryotic E2 family D
PF14462Prok-E2_EProkaryotic E2 family E
PF14464Prok-JABProkaryotic homologs of the JAB domain
PF14446Prok-RING_1Prokaryotic RING finger family 1
PF14445Prok-RING_2Prokaryotic RING finger family 2
PF14447Prok-RING_4Prokaryotic RING finger family 4
PF09228Prok-TraMProkaryotic Transcriptional repressor TraM
PF06607ProkineticinProkineticin
PF14454Prok_UbProkaryotic Ubiquitin
PF15621PROL5-SMRProline-rich submaxillary gland androgen-regulated family
PF15172Prolactin_RPProlactin-releasing peptide
PF05617Prolamin_likeProlamin-like
PF05478PromininProminin
PF03759PRONEPRONE (Plant-specific Rop nucleotide exchanger)
PF08127Propeptide_C1Peptidase family C1 propeptide
PF08126Propeptide_C25Propeptide_C25
PF02244Propep_M14Carboxypeptidase activation peptide
PF06605Prophage_tailProphage endopeptidase tail
PF04352ProQProQ/FINO family
PF09180ProRS-C_1Prolyl-tRNA synthetase, C-terminal
PF09181ProRS-C_2Prolyl-tRNA synthetase, C-terminal
PF07259ProSAASProSAAS precursor
PF07376ProsysteminProsystemin
PF08188Protamine_3Spermatozal protamine family
PF00260Protamine_P1Protamine P1
PF00841Protamine_P2Sperm histone P2
PF00227ProteasomeProteasome subunit
PF10584Proteasome_A_NProteasome subunit A N-terminal signature
PF10508Proteasom_PSMBProteasome non-ATPase 26S subunit
PF04683Proteasom_Rpn13Proteasome complex subunit Rpn13 ubiquitin receptor
PF12283Protein_KBacteriophage protein K
PF03247ProthymosinProthymosin/parathymosin family
PF08374ProtocadherinProtocadherin
PF11563ProtoglobinProtoglobin
PF02428Prot_inhib_IIPotato type II proteinase inhibitor family
PF05373Pro_3_hydrox_CL-proline 3-hydroxylase, C-terminal
PF02983Pro_Al_proteaseAlpha-lytic protease prodomain
PF00484Pro_CACarbonic anhydrase
PF01619Pro_dhProline dehydrogenase
PF14850Pro_dh-DNA_bdgDNA-binding domain of Proline dehydrogenase
PF00160Pro_isomeraseCyclophilin type peptidyl-prolyl cis-trans isomerase/CLD
PF05544Pro_racemaseProline racemase
PF02840Prp18Prp18 domain
PF08606Prp19Prp19/Pso4-like
PF06991Prp19_bindSplicing factor, Prp19-binding domain
PF06424PRP1_NPRP1 splicing factor, N-terminal
PF12230PRP21_like_PPre-mRNA splicing factor PRP21 like protein
PF08572PRP3pre-mRNA processing factor 3 (PRP3)
PF09785Prp31_CPrp31 C terminal domain
PF03371PRP38PRP38 family
PF12871PRP38_assocPre-mRNA-splicing factor 38-associated hydrophilic C-term
PF08799PRP4pre-mRNA processing factor 4 (PRP4) like
PF12134PRP8_domainIVPRP8 domain IV core
PF04303PrpFPrpF protein
PF06506PrpR_NPropionate catabolism activator
PF07069PRRSV_2bPorcine reproductive and respiratory syndrome virus 2b
PF02340PRRSV_EnvPRRSV putative envelope protein
PF13367PrsW-proteaseProtease prsW family
PF11202PRTase_1Phosphoribosyl transferase (PRTase)
PF15609PRTase_2Phosphoribosyl transferase
PF15610PRTase_3PRTase ComF-like
PF01366PRTPHerpesvirus processing and transport protein
PF08372PRT_CPlant phosphoribosyltransferase C-terminal
PF13765PRYSPRY-associated domain
PF12465Pr_beta_CProteasome beta subunits C terminal
PF14765PS-DHPolyketide synthase dehydratase
PF00223PsaA_PsaBPhotosystem I psaA/psaB protein
PF02531PsaDPsaD
PF02605PsaLPhotosystem I reaction centre subunit XI
PF07465PsaMPhotosystem I protein M (PsaM)
PF05479PsaNPhotosystem I reaction centre subunit N (PSAN or PSI-N)
PF08078PsaXPsaX family
PF03912Psb28Psb28 protein
PF00737PsbHPhotosystem II 10 kDa phosphoprotein
PF02532PsbIPhotosystem II reaction centre I protein (PSII 4.8 kDa protein)
PF01788PsbJPsbJ
PF02533PsbKPhotosystem II 4 kDa reaction centre component
PF02419PsbLPsbL protein
PF05151PsbMPhotosystem II reaction centre M protein (PsbM)
PF02468PsbNPhotosystem II reaction centre N protein (psbN)
PF01789PsbPPsbP
PF05757PsbQOxygen evolving enhancer protein 3 (PsbQ)
PF04725PsbRPhotosystem II 10 kDa polypeptide PsbR
PF01405PsbTPhotosystem II reaction centre T protein
PF06514PsbUPhotosystem II 12 kDa extrinsic protein (PsbU)
PF07123PsbWPhotosystem II reaction centre W protein (PsbW)
PF06596PsbXPhotosystem II reaction centre X protein (PsbX)
PF06298PsbYPhotosystem II protein Y (PsbY)
PF07635PSCyt1Planctomycete cytochrome C
PF07583PSCyt2Protein of unknown function (DUF1549)
PF07627PSCyt3Protein of unknown function (DUF1588)
PF07587PSD1Protein of unknown function (DUF1553)
PF07624PSD2Protein of unknown function (DUF1585)
PF07626PSD3Protein of unknown function (DUF1587)
PF07631PSD4Protein of unknown function (DUF1592)
PF07637PSD5Protein of unknown function (DUF1595)
PF12588PSDCPhophatidylserine decarboxylase
PF01416PseudoU_synth_1tRNA pseudouridine synthase
PF00849PseudoU_synth_2RNA pseudouridylate synthase
PF07276PSGPApopolysialoglycoprotein (PSGP)
PF01437PSIPlexin repeat
PF06952PsiAPsiA protein
PF06290PsiBPlasmid SOS inhibition protein (PsiB)
PF06146PsiEPhosphate-starvation-inducible E
PF07769PsiF_repeatpsiF repeat
PF00421PSIIPhotosystem II protein
PF14870PSII_BNRPhotosynthesis system II assembly factor YCF48
PF13326PSII_Pbs27Photosystem II Pbs27
PF05969PSII_Ycf12Photosystem II complex subunit Ycf12
PF00796PSI_8Photosystem I reaction centre subunit VIII
PF02427PSI_PsaEPhotosystem I reaction centre subunit IV / PsaE
PF02507PSI_PsaFPhotosystem I reaction centre subunit III
PF03244PSI_PsaHPhotosystem I reaction centre subunit VI
PF01701PSI_PsaJPhotosystem I reaction centre subunit IX / PsaJ
PF01241PSI_PSAKPhotosystem I psaG / psaK
PF06404PSKPhytosulfokine precursor protein (PSK)
PF07704PSK_trans_facRv0623-like transcription factor
PF04046PSPPSP
PF04468PSP1PSP1 C-terminal conserved region
PF05825PSP94Beta-microseminoprotein (PSP-94)
PF04012PspA_IM30PspA/IM30 family
PF06667PspBPhage shock protein B
PF04024PspCPspC domain
PF04839PSRP-3_Ycf65Plastid and cyanobacterial ribosomal protein (PSRP-3 / Ycf65)
PF07636PSRTPSRT
PF03034PSSPhosphatidyl serine synthase
PF07455PsuPhage polarity suppression protein (Psu)
PF02666PS_DcarbxylasePhosphatidylserine decarboxylase
PF04230PS_pyruv_transPolysaccharide pyruvyl transferase
PF04886PTPT repeat
PF07591PT-HINTPretoxin HINT domain
PF14449PT-TGPre-toxin TG
PF04829PT-VENNPre-toxin domain with VENN motif
PF11468PTase_Orf2Aromatic prenyltransferase Orf2
PF01515PTA_PTBPhosphate acetyl/butaryl transferase
PF08416PTBPhosphotyrosine-binding domain
PF12738PTCB-BRCTtwin BRCT domain
PF15028PTCRAPre-T-cell antigen receptor
PF02126PTEPhosphotriesterase family
PF10409PTEN_C2C2 domain of PTEN tumour-suppressor protein
PF01329Pterin_4aPterin 4 alpha carbinolamine dehydratase
PF00809Pterin_bindPterin binding enzyme
PF01981PTH2Peptidyl-tRNA hydrolase PTH2
PF01091PTN_MK_CPTN/MK heparin-binding protein family, C-terminal domain
PF05196PTN_MK_NPTN/MK heparin-binding protein family, N-terminal domain
PF03095PTPAPhosphotyrosyl phosphate activator (PTPA) protein
PF04387PTPLAProtein tyrosine phosphatase-like protein, PTPLA
PF14566PTPlike_phytaseInositol hexakisphosphate
PF01242PTPS6-pyruvoyl tetrahydropterin synthase
PF10131PTPS_related6-pyruvoyl-tetrahydropterin synthase related domain; membrane protein
PF12453PTP_NProtein tyrosine phosphatase N terminal
PF12789PTRPhage tail repeat like
PF00854PTR2POT family
PF15237PTRF_SDPRPTRF/SDPR family
PF00381PTS-HPrPTS HPr component phosphorylation site
PF03829PTSIIA_gutAPTS system glucitol/sorbitol-specific IIA component
PF03830PTSIIB_sorbPTS system sorbose subfamily IIB component
PF01885PTS_2-RNARNA 2'-phosphotransferase, Tpt1 / KptA family
PF00358PTS_EIIA_1phosphoenolpyruvate-dependent sugar phosphotransferase system, EIIA 1
PF00359PTS_EIIA_2Phosphoenolpyruvate-dependent sugar phosphotransferase system, EIIA 2
PF00367PTS_EIIBphosphotransferase system, EIIB
PF02378PTS_EIICPhosphotransferase system, EIIC
PF13303PTS_EIIC_2Phosphotransferase system, EIIC
PF02255PTS_IIAPTS system, Lactose/Cellobiose specific IIA subunit
PF02302PTS_IIBPTS system, Lactose/Cellobiose specific IIB subunit
PF01472PUAPUA domain
PF14306PUA_2PUA-like domain
PF09409PUBPUB domain
PF03209PUCCPUCC protein
PF07905PucRPurine catabolism regulatory protein-like family
PF03714PUDBacterial pullanase-associated domain
PF00806PUFPumilio-family RNA binding repeat
PF05398PufQPufQ cytochrome subunit
PF08324PULPUL domain
PF11773PulGType II secretory pathway pseudopilin
PF09691PulS_OutSBacterial chaperone lipoprotein (PulS_OutS)
PF05639PupPup-like protein
PF03136Pup_ligasePup-ligase protein
PF04845PurAPurA ssDNA and RNA-binding protein
PF02700PurSPhosphoribosylformylglycinamidine (FGAM) synthase
PF02245Pur_DNA_glycoMethylpurine-DNA glycosylase (MPG)
PF09182PuR_NBacterial purine repressor, N-terminal
PF06971Put_DNA-bind_NPutative DNA-binding protein N-terminus
PF06888Put_PhosphatasePutative Phosphatase
PF06637PV-1PV-1 protein (PLVAP)
PF01862PvlArgDCPyruvoyl-dependent arginine decarboxylase (PvlArgDC)
PF07768PVL_ORF50PVL ORF-50-like family
PF12433PV_NSP1Parvovirus non-structural protein 1
PF01480PWIPWI domain
PF00855PWWPPWWP domain
PF00787PXPX domain
PF02194PXAPXA domain
PF12828PXBPX-associated
PF12778PXPVPXPV repeat (3 copies)
PF15214PXT1Peroxisomal testis-specific protein 1
PF02436PYC_OADAConserved carboxylase domain
PF07831PYNP_CPyrimidine nucleoside phosphorylase C-terminal domain
PF11112PyocinActivatorPyocin activator protein PrtN
PF06958Pyocin_SS-type Pyocin
PF08052PyrBI_leaderPyrBI operon leader peptide
PF01948PyrIAspartate carbamoyltransferase regulatory chain, allosteric domain
PF00282Pyridoxal_deCPyridoxal-dependent decarboxylase conserved domain
PF12766Pyridox_oxase_2Pyridoxamine 5'-phosphate oxidase
PF01243Pyridox_oxidasePyridoxamine 5'-phosphate oxidase
PF12900Pyridox_ox_2Pyridoxamine 5'-phosphate oxidase
PF13883Pyrid_oxidase_2Pyridoxamine 5'-phosphate oxidase
PF02758PYRINPAAD/DAPIN/Pyrin domain
PF02748PyrI_CAspartate carbamoyltransferase regulatory chain, metal binding domain
PF00719PyrophosphataseInorganic pyrophosphatase
PF03013Pyr_excisePyrimidine dimer DNA glycosylase
PF00070Pyr_redoxPyridine nucleotide-disulphide oxidoreductase
PF07992Pyr_redox_2Pyridine nucleotide-disulphide oxidoreductase
PF13738Pyr_redox_3Pyridine nucleotide-disulphide oxidoreductase
PF02852Pyr_redox_dimPyridine nucleotide-disulphide oxidoreductase, dimerisation domain
PF09690PYST-C1Plasmodium yoelii subtelomeric region (PYST-C1)
PF09689PY_rept_46Plasmodium yoelii repeat (PY_rept_46)
PF06640P_CP protein C-terminus
PF06321P_gingi_FimAMajor fimbrial subunit protein (FimA)
PF01483P_proproteinProprotein convertase P-domain