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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
PF02773S-AdoMet_synt_CS-adenosylmethionine synthetase, C-terminal domain
PF02772S-AdoMet_synt_MS-adenosylmethionine synthetase, central domain
PF00438S-AdoMet_synt_NS-adenosylmethionine synthetase, N-terminal domain
PF05756S-antigenS-antigen protein
PF07752S-layerS-layer protein
PF02574S-methyl_transHomocysteine S-methyltransferase
PF00575S1S1 RNA binding domain
PF14444S1-likeS1-like
PF02265S1-P1_nucleaseS1/P1 Nuclease
PF15427S100PBPRS100P-binding protein
PF03501S10_plectinPlectin/S10 domain
PF06756S19Chorion protein S19 C-terminal
PF04689S1FADNA binding protein S1FA
PF13509S1_2S1 domain
PF01479S4S4 domain
PF07422s48_45Sexual stage antigen s48/45 domain
PF13275S4_2S4 domain
PF05116S6PPSucrose-6F-phosphate phosphohydrolase
PF08472S6PP_CSucrose-6-phosphate phosphohydrolase C-terminal
PF00277SAASerum amyloid A protein
PF04382SABSAB domain
PF12209SAC3Leucine permease transcriptional regulator helical domain
PF03399SAC3_GANPSAC3/GANP/Nin1/mts3/eIF-3 p25 family
PF03435Saccharop_dhSaccharopine dehydrogenase
PF04455Saccharop_dh_NLOR/SDH bifunctional enzyme conserved region
PF07738Sad1_UNCSad1 / UNC-like C-terminal
PF02182SAD_SRASAD/SRA domain
PF08573SAE2DNA repair protein endonuclease SAE2/CtIP C-terminus
PF08666SAFSAF domain
PF09460Saf-Nte_pilinSaf-pilin pilus formation protein
PF13144SAF_2SAF-like
PF04092SAGSRS domain
PF12767SAGA-Tad1Transcriptional regulator of RNA polII, SAGA, subunit
PF01259SAICAR_syntSAICAR synthetase
PF12115Salp15Salivary protein of 15kDa inhibits CD4+ T cell activation
PF09506Salt_tol_PaseGlucosylglycerol-phosphate phosphatase (Salt_tol_Pase)
PF05924SAMPSAMP Motif
PF00536SAM_1SAM domain (Sterile alpha motif)
PF07647SAM_2SAM domain (Sterile alpha motif)
PF01887SAM_adeno_transS-adenosyl-l-methionine hydroxide adenosyltransferase
PF01536SAM_decarboxAdenosylmethionine decarboxylase
PF04445SAM_MTPutative SAM-dependent methyltransferase
PF02198SAM_PNTSterile alpha motif (SAM)/Pointed domain
PF01342SANDSAND domain
PF09133SANTASANTA (SANT Associated)
PF02037SAPSAP domain
PF06487SAP18Sin3 associated polypeptide p18 (SAP18)
PF15476SAP25Histone deacetylase complex subunit SAP25
PF13867SAP30_Sin3_bdgSin3 binding region of histone deacetylase complex subunit SAP30
PF02199SapASaposin A-type domain
PF05184SapB_1Saposin-like type B, region 1
PF03489SapB_2Saposin-like type B, region 2
PF07277SapCSapC
PF04499SAPSSIT4 phosphatase-associated protein
PF03058Sar8_2Sar8.2 family
PF11409SARASmad anchor for receptor activation (SARA)
PF04790Sarcoglycan_1Sarcoglycan complex subunit protein
PF05510Sarcoglycan_2Sarcoglycan alpha/epsilon
PF05366SarcolipinSarcolipin
PF15385SARGSpecifically androgen-regulated gene protein
PF12133Sars6Open reading frame 6 from SARS coronavirus
PF12383SARS_3bSevere acute respiratory syndrome coronavirus 3b protein
PF09399SARS_lipid_bindSARS lipid binding protein
PF08779SARS_X4SARS coronavirus X4 like
PF03343SART-1SART-1 family
PF09368Sas10Sas10 C-terminal domain
PF04000Sas10_Utp3Sas10/Utp3/C1D family
PF15460SAS4Something about silencing, SAS, complex subunit 4
PF00269SASPSmall, acid-soluble spore proteins, alpha/beta type
PF04259SASP_gammaSmall, acid-soluble spore protein, gamma-type
PF15160SASRP1Spermatogenesis-associated serine-rich protein 1
PF06426SATase_NSerine acetyltransferase, N-terminal
PF11561Saw1Single strand annealing-weakened 1
PF10260SAYSvFNUncharacterized conserved domain (SAYSvFN)
PF06739SBBPBeta-propeller repeat
PF13558SbcCD_CPutative exonuclease SbcCD, C subunit
PF12320SbcD_CType 5 capsule protein repressor C-terminal domain
PF01172SBDSShwachman-Bodian-Diamond syndrome (SBDS) protein
PF09377SBDS_CSBDS protein C-terminal domain
PF01758SBFSodium Bile acid symporter family
PF12335SBF2Myotubularin protein
PF11621Sbi-IVC3 binding domain 4 of IgG-bind protein SBI
PF05992SbmA_BacASbmA/BacA-like family
PF03110SBPSBP domain
PF05694SBP5656kDa selenium binding protein (SBP56)
PF01547SBP_bac_1Bacterial extracellular solute-binding protein
PF07596SBP_bac_10Protein of unknown function (DUF1559)
PF13531SBP_bac_11Bacterial extracellular solute-binding protein
PF00497SBP_bac_3Bacterial extracellular solute-binding proteins, family 3
PF00496SBP_bac_5Bacterial extracellular solute-binding proteins, family 5 Middle
PF13343SBP_bac_6Bacterial extracellular solute-binding protein
PF03480SBP_bac_7Bacterial extracellular solute-binding protein, family 7
PF13416SBP_bac_8Bacterial extracellular solute-binding protein
PF08313SCA7SCA7, zinc-binding domain
PF11418Scaffolding_proPhi29 scaffolding protein
PF04144SCAMPSCAMP family
PF02023SCANSCAN domain
PF04405ScdA_NDomain of Unknown function (DUF542)
PF02404SCFStem cell factor
PF02667SCFA_transShort chain fatty acid transporter
PF04486SchA_CurDSchA/CurD like domain
PF10148SCHIP-1Schwannomin-interacting protein 1
PF15050SCIMPSCIMP protein
PF05463SclerostinSclerostin (SOST)
PF10384Scm3Centromere protein Scm3
PF02630SCO1-SenCSCO1/SenC
PF05483SCP-1Synaptonemal complex protein 1 (SCP-1)
PF14428SCP1201-deamSCP1.201-like deaminase
PF02036SCP2SCP-2 sterol transfer family
PF13530SCP2_2Sterol carrier protein domain
PF02616ScpA_ScpBScpA/B protein
PF05229SCPUSpore Coat Protein U domain
PF03803ScramblaseScramblase
PF15224SCRG1Scrapie-responsive protein 1
PF06876SCRLPlant self-incompatibility response (SCRL) protein
PF10261Scs3pInositol phospholipid synthesis and fat-storage-inducing TM
PF02982Scytalone_dhScytalone dehydratase
PF08970SdaSporulation inhibitor A
PF05285SDA1SDA1
PF00375SDFSodium:dicarboxylate symporter family
PF03937Sdh5Flavinator of succinate dehydrogenase
PF03313SDH_alphaSerine dehydratase alpha chain
PF03315SDH_betaSerine dehydratase beta chain
PF01127Sdh_cytSuccinate dehydrogenase/Fumarate reductase transmembrane subunit
PF01972SDH_sahSerine dehydrogenase proteinase
PF06977SdiA-regulatedSdiA-regulated
PF13630SdpISdpI/YhfL protein family
PF12278SDP_NSex determination protein N terminal
PF10425SdrG_C_CC-terminus of bacterial fibrinogen-binding adhesin
PF08598Sds3Sds3-like
PF08491SESqualene epoxidase
PF12390Se-cys_synth_NSelenocysteine synthase N terminal
PF01390SEASEA domain
PF07322Seadorna_Vp10Seadornavirus Vp10
PF07407Seadorna_VP6Seadornavirus VP6 protein
PF07387Seadorna_VP7Seadornavirus VP7
PF15432Sec-ASP3Accessory Sec secretory system ASP3
PF02810SEC-CSEC-C motif
PF00995Sec1Sec1 family
PF07393Sec10Exocyst complex component Sec10
PF04091Sec15Exocyst complex subunit Sec15-like
PF12932Sec16Vesicle coat trafficking protein Sec16 mid-region
PF12931Sec16_CSec23-binding domain of Sec16
PF12935Sec16_NVesicle coat trafficking protein Sec16 N-terminus
PF03908Sec20Sec20
PF08033Sec23_BSSec23/Sec24 beta-sandwich domain
PF04815Sec23_helicalSec23/Sec24 helical domain
PF04811Sec23_trunkSec23/Sec24 trunk domain
PF06428Sec2pGDP/GTP exchange factor Sec2p
PF15277Sec3-PIP2_bindExocyst complex component SEC3 N-terminal PIP2 binding PH
PF11549Sec31Protein transport protein SEC31
PF04136Sec34Sec34-like family
PF08314Sec39Secretory pathway protein Sec39
PF09763Sec3_CExocyst complex component Sec3
PF15278Sec3_C_2Sec3 exocyst complex subunit
PF15469Sec5Exocyst complex component Sec5
PF06046Sec6Exocyst complex component Sec6
PF03911Sec61_betaSec61beta family
PF03839Sec62Translocation protein Sec62
PF02889Sec63Sec63 Brl domain
PF09802Sec66Preprotein translocase subunit Sec66
PF01369Sec7Sec7 domain
PF12783Sec7_NGuanine nucleotide exchange factor in Golgi transport N-terminal
PF04048Sec8_exocystSec8 exocyst complex component specific domain
PF07517SecA_DEADSecA DEAD-like domain
PF01043SecA_PP_bindSecA preprotein cross-linking domain
PF07516SecA_SWSecA Wing and Scaffold domain
PF02556SecBPreprotein translocase subunit SecB
PF13721SecD-TM1SecD export protein N-terminal TM region
PF02355SecD_SecFProtein export membrane protein
PF00584SecESecE/Sec61-gamma subunits of protein translocation complex
PF03840SecGPreprotein translocase SecG subunit
PF05364SecIII_SopE_NSalmonella type III secretion SopE effector N-terminus
PF06558SecMSecretion monitor precursor protein (SecM)
PF00263SecretinBacterial type II and III secretion system protein
PF03958Secretin_NBacterial type II/III secretion system short domain
PF07655Secretin_N_2Secretin N-terminal domain
PF05281Secretogranin_VNeuroendocrine protein 7B2 precursor (Secretogranin V)
PF04856SecurinSecurin sister-chromatid separation inhibitor
PF00344SecYSecY translocase
PF07549Sec_GGSecD/SecF GG Motif
PF11416Sed5pIntegral membrane protein Sed5p
PF04628Sedlin_NSedlin, N-terminal conserved region
PF14797SEEEEDSerine-rich region of AP3B1, clathrin-adaptor complex
PF15357SEEK1Psoriasis susceptibility 1 candidate 1
PF06443SEF14_adhesinSEF14-like adhesin
PF08357SEFIRSEFIR domain
PF06775SeipinPutative adipose-regulatory protein (Seipin)
PF08238Sel1Sel1 repeat
PF03841SelAL-seryl-tRNA selenium transferase
PF09105SelB-wing_1Elongation factor SelB, winged helix
PF09106SelB-wing_2Elongation factor SelB, winged helix
PF09107SelB-wing_3Elongation factor SelB, winged helix
PF11524SeleniumBindingSelenium binding protein
PF06936Selenoprotein_SSelenoprotein S (SelS)
PF05938Self-incomp_S1Plant self-incompatibility protein S1
PF04593SelP_CSelenoprotein P, C terminal region
PF04592SelP_NSelenoprotein P, N terminal region
PF01641SelRSelR domain
PF01403SemaSema domain
PF05474SemenogelinSemenogelin
PF01118Semialdhyde_dhSemialdehyde dehydrogenase, NAD binding domain
PF02774Semialdhyde_dhCSemialdehyde dehydrogenase, dimerisation domain
PF09631Sen15Sen15 protein
PF12726SEN1_NSEN1 N terminal
PF06911SenescenceSenescence-associated protein
PF04520Senescence_regSenescence regulator
PF13796SensorPutative sensor
PF13755Sensor_TM1Sensor N-terminal transmembrane domain
PF14577SEO_CSieve element occlusion C-terminus
PF14576SEO_NSieve element occlusion N-terminus
PF08059SEPSEP domain
PF08806Sep15_SelMSep15/SelM redox domain
PF06622SepQSepQ protein
PF00735SeptinSeptin
PF13845Septum_formSeptum formation
PF06066SepZSepZ
PF03925SeqASeqA protein
PF05482Serendipity_ASerendipity locus alpha protein (SRY-A)
PF04360SerglycinSerglycin
PF06873SerHCell surface immobilisation antigen SerH
PF03348SerincSerine incorporator (Serinc)
PF08824Serine_richSerine rich protein interaction domain
PF03383Serpentine_r_xaCaenorhabditis serpentine receptor-like protein, class xa
PF00079SerpinSerpin (serine protease inhibitor)
PF05540Serpulina_VSPSerpulina hyodysenteriae variable surface protein
PF06031SERTASERTA motif
PF00273Serum_albuminSerum albumin family
PF02403Seryl_tRNA_NSeryl-tRNA synthetase N-terminal domain
PF06821Ser_hydrolaseSerine hydrolase
PF00856SETSET domain
PF11767SET_assocHistone lysine methyltransferase SET associated
PF08138Sex_peptideSex peptide (SP) family
PF06705SF-assemblinSF-assemblin/beta giardin
PF12108SF3a60_bindingdSplicing factor SF3a60 binding domain
PF08920SF3b1Splicing factor 3B subunit 1
PF07189SF3b10Splicing factor 3B subunit 10 (SF3b10)
PF08457Sfi1Sfi1 spindle body protein
PF10638Sfi1_CSpindle body associated protein C-terminus
PF03749SfsASugar fermentation stimulation protein
PF15210SFTA2Surfactant-associated protein 2
PF08209Sgf11Sgf11 (transcriptional regulation protein)
PF15467SGIIISecretogranin-3
PF08450SGLSMP-30/Gluconolaconase/LRE-like region
PF12793SgrR_NSugar transport-related sRNA regulator N-term
PF05002SGSSGS domain
PF07093SGT1SGT1 protein
PF01445SHViral small hydrophobic protein
PF00017SH2SH2 domain
PF14633SH2_2SH2 domain
PF04908SH3BGRSH3-binding, glutamic acid-rich protein
PF05276SH3BP5SH3 domain-binding protein 5 (SH3BP5)
PF00018SH3_1SH3 domain
PF07653SH3_2Variant SH3 domain
PF08239SH3_3Bacterial SH3 domain
PF06347SH3_4Bacterial SH3 domain
PF08460SH3_5Bacterial SH3 domain
PF12913SH3_6SH3 domain of the SH3b1 type
PF12914SH3_7SH3 domain of SH3b2 type
PF13457SH3_8SH3-like domain
PF14604SH3_9Variant SH3 domain
PF14999ShadooShadow of prion protein, neuroprotective
PF11601Shal-typeShal-type voltage-gated potassium channels
PF03983SHD1SLA1 homology domain 1, SHD1
PF11435She2pRNA binding protein She2p
PF05546She9_MDM33She9 / Mdm33 family
PF06128Shigella_OspCShigella flexneri OspC protein
PF01488Shikimate_DHShikimate / quinate 5-dehydrogenase
PF08501Shikimate_dh_NShikimate dehydrogenase substrate binding domain
PF07004SHIPPO-rptSperm-tail PG-rich repeat
PF13908ShisaWnt and FGF inhibitory regulator
PF01549ShKShK domain-like
PF03865ShlBHaemolysin secretion/activation protein ShlB/FhaC/HecB
PF00464SHMTSerine hydroxymethyltransferase
PF10516SHNi-TPRSHNi-TPR
PF09851SHOCTShort C-terminal domain
PF03579SHPSmall hydrophobic protein
PF04925SHQ1SHQ1 protein
PF08229SHR3_chaperoneER membrane protein SH3
PF02491SHS2_FTSASHS2 domain inserted in FTSA
PF03876SHS2_Rpb7-NSHS2 domain found in N terminus of Rpb7p/Rpc25p/MJ0397
PF04917Shufflon_NBacterial shufflon protein, N-terminal constant region
PF07557Shugoshin_CShugoshin C terminus
PF07558Shugoshin_NShugoshin N-terminal coiled-coil region
PF09032Siah-Interact_NSiah interacting protein, N terminal
PF09264Sial-lect-inserVibrio cholerae sialidase, lectin insertion
PF02973SialidaseSialidase, N-terminal domain
PF12135Sialidase_penCSialidase enzyme penultimate C terminal domain
PF03482SICsic protein
PF12887SICA_alphaSICA extracellular alpha domain
PF12878SICA_betaSICA extracellular beta domain
PF12879SICA_CSICA C-terminal inner membrane domain
PF09119SicP-bindingSicP binding
PF11778SIDSeptation initiation
PF13965SID-1_RNA_chandsRNA-gated channel SID-1
PF12252SidEDot/Icm substrate protein
PF14163SieBSuperinfection exclusion protein B
PF06767SifSif protein
PF00158Sigma54_activatSigma-54 interaction domain
PF14532Sigma54_activ_2Sigma-54 interaction domain
PF00309Sigma54_AIDSigma-54 factor, Activator interacting domain (AID)
PF04963Sigma54_CBDSigma-54 factor, core binding domain
PF04552Sigma54_DBDSigma-54, DNA binding domain
PF07638Sigma70_ECFECF sigma factor
PF04546Sigma70_nerSigma-70, non-essential region
PF03979Sigma70_r1_1Sigma-70 factor, region 1.1
PF00140Sigma70_r1_2Sigma-70 factor, region 1.2
PF04542Sigma70_r2Sigma-70 region 2
PF04539Sigma70_r3Sigma-70 region 3
PF04545Sigma70_r4Sigma-70, region 4
PF08281Sigma70_r4_2Sigma-70, region 4
PF02454Sigma_1sSigma 1s protein
PF03084Sigma_1_2Reoviral Sigma1/Sigma2 family
PF13791Sigma_reg_CSigma factor regulator C-terminal
PF13800Sigma_reg_NSigma factor regulator N-terminal
PF03842Silic_transpSilicon transporter
PF04402SIMPLProtein of unknown function (DUF541)
PF06621SIM_CSingle-minded protein C-terminus
PF05422SIN1Stress-activated map kinase interacting protein 1 (SIN1)
PF08295Sin3_corepressSin3 family co-repressor
PF03145SinaSeven in absentia protein family
PF08671SinIAnti-repressor SinI
PF04801Sin_NSin-like protein conserved region
PF04954SIPSiderophore-interacting protein
PF04938SIP1Survival motor neuron (SMN) interacting protein 1 (SIP1)
PF09052SipASalmonella invasion protein A
PF05565Sipho_Gp157Siphovirus Gp157
PF14594Sipho_Gp37Siphovirus ReqiPepy6 Gp37-like protein
PF05709Sipho_tailPhage tail protein
PF11603Sir1Regulatory protein Sir1
PF02146SIR2Sir2 family
PF13289SIR2_2SIR2-like domain
PF04247SirBInvasion gene expression up-regulator, SirB
PF14823Sirohm_synth_CSirohaem biosynthesis protein C-terminal
PF14824Sirohm_synth_MSirohaem biosynthesis protein central
PF01380SISSIS domain
PF13580SIS_2SIS domain
PF15330SITSHP2-interacting transmembrane adaptor protein, SIT
PF05458SivaCd27 binding protein (Siva)
PF08693SKG6Transmembrane alpha-helix domain
PF01202SKIShikimate kinase
PF02731SKIP_SNWSKIP/SNW domain
PF02437Ski_SnoSKI/SNO/DAC family
PF03935SKN1Beta-glucan synthesis-associated protein (SKN1)
PF01466Skp1Skp1 family, dimerisation domain
PF03931Skp1_POZSkp1 family, tetramerisation domain
PF03530SK_channelCalcium-activated SK potassium channel
PF03595SLAC1Voltage-dependent anion channel
PF15301SLAINSLAIN motif-containing family
PF06214SLAMSignaling lymphocytic activation molecule (SLAM) protein
PF03217SLAPBacterial surface layer protein
PF05889SLA_LP_auto_agSoluble liver antigen/liver pancreas antigen (SLA/LP autoantigen)
PF10531SLBBSLBB domain
PF15247SLBP_RNA_bindHistone RNA hairpin-binding protein RNA-binding domain
PF08639SLD3DNA replication regulator SLD3
PF05916Sld5GINS complex protein
PF07620SLEI_LeptospiraSLEI
PF00395SLHS-layer homology domain
PF09111SLIDESLIDE
PF03843SlpOuter membrane lipoprotein Slp family
PF07333SLR1-BPS locus-related glycoprotein 1 binding pollen coat protein (SLR1-BP)
PF14611SLSMitochondrial inner-membrane-bound regulator
PF01464SLTTransglycosylase SLT domain
PF13406SLT_2Transglycosylase SLT domain
PF02258SLT_betaShiga-like toxin beta subunit
PF14718SLT_LSoluble lytic murein transglycosylase L domain
PF11708Slu7Pre-mRNA splicing Prp18-interacting factor
PF09494Slx4Slx4 endonuclease
PF15341SLX9Ribosome biogenesis protein SLX9
PF12485SLYLymphocyte signaling adaptor protein
PF04102SlyXSlyX
PF14438SM-ATXAtaxin 2 SM domain
PF09057Smac_DIABLOSecond Mitochondria-derived Activator of Caspases
PF15477SMAPSmall acidic protein family
PF06470SMC_hingeSMC proteins Flexible Hinge Domain
PF02463SMC_NRecF/RecN/SMC N terminal domain
PF07574SMC_Nse1Nse1 non-SMC component of SMC5-6 complex
PF03467Smg4_UPF3Smg-4/UPF3 family
PF09346SMI1_KNR4SMI1 / KNR4 family (SUKH-1)
PF04802SMK-1Component of IIS longevity pathway SMK-1
PF06003SMNSurvival motor neuron protein (SMN)
PF12510SmoothelinSmoothelin cytoskeleton protein
PF04927SMPSeed maturation protein
PF04355SmpA_OmlASmpA / OmlA family
PF01668SmpBSmpB protein
PF10144SMP_2Bacterial virulence factor haemolysin
PF01713SmrSmr domain
PF15181SMRP1Spermatid-specific manchette-related protein 1
PF06695Sm_multidrug_exPutative small multi-drug export protein
PF14619SnACSnf2-ATP coupling, chromatin remodelling complex
PF14938SNAPSoluble NSF attachment protein, SNAP
PF00835SNAP-25SNAP-25 family
PF15497SNAPc19snRNA-activating protein complex subunit 19, SNAPc subunit 19
PF11035SnAPC_2_likeSmall nuclear RNA activating complex subunit 2-like
PF09808SNAPc_SNAP43Small nuclear RNA activating complex (SNAPc), subunit SNAP43
PF14712Snapin_PallidinSnapin/Pallidin
PF05739SNARESNARE domain
PF09335SNARE_assocSNARE associated Golgi protein
PF00565SNaseStaphylococcal nuclease homologue
PF00209SNFSodium:neurotransmitter symporter family
PF08455SNF2_assocBacterial SNF2 helicase associated
PF00176SNF2_NSNF2 family N-terminal domain
PF04855SNF5SNF5 / SMARCB1 / INI1
PF03357Snf7Snf7
PF09051SNN_cytoplasmStannin cytoplasmic
PF09050SNN_linkerStannin unstructured linker
PF09049SNN_transmembStannin transmembrane
PF01174SNOSNO glutamine amidotransferase family
PF07366SnoaLSnoaL-like polyketide cyclase
PF12680SnoaL_2SnoaL-like domain
PF13474SnoaL_3SnoaL-like domain
PF13577SnoaL_4SnoaL-like domain
PF07192SNURFSNURF/RPN4 protein
PF11538Snurportin1Snurportin1
PF15279SOBPSine oculis-binding protein
PF12610SOCSSuppressor of cytokine signalling
PF07525SOCS_boxSOCS box
PF00080Sod_CuCopper/zinc superoxide dismutase (SODC)
PF02777Sod_Fe_CIron/manganese superoxide dismutases, C-terminal domain
PF00081Sod_Fe_NIron/manganese superoxide dismutases, alpha-hairpin domain
PF09055Sod_NiNickel-containing superoxide dismutase
PF04158Sof1Sof1-like domain
PF10428SOG2RAM signalling pathway protein
PF03619Solute_trans_aOrganic solute transporter Ostalpha
PF01033Somatomedin_BSomatomedin B domain
PF03002SomatostatinSomatostatin/Cortistatin family
PF13981SopASopA-like central domain
PF13979SopA_CSopA-like catalytic domain
PF11047SopDSalmonella outer protein D
PF07487SopE_GEFSopE GEF domain
PF07682SORSulphur oxygenase reductase
PF02208SorbSorbin homologous domain
PF09666SororinSororin protein
PF04203SortaseSortase family
PF03700Sorting_nexinSorting nexin, N-terminal domain
PF01680SOR_SNZSOR/SNZ family
PF04832SOULSOUL heme-binding protein
PF04267SoxDSarcosine oxidase, delta subunit family
PF06525SoxESulfocyanin (SoxE)
PF04268SoxGSarcosine oxidase, gamma subunit family
PF12336SOXpSOX transcription factor
PF13501SoxYSulfur oxidation protein SoxY
PF08770SoxZSulphur oxidation protein SoxZ
PF12067Sox_C_TADSox C-terminal transactivation domain
PF12444Sox_NSox developmental protein N terminal
PF14313Soyouz_moduleN-terminal region of Paramyxovirinae phosphoprotein (P)
PF03172Sp100Sp100 domain
PF03014SP2Structural protein 2
PF07354Sp38Zona-pellucida-binding protein (Sp38)
PF08616SPAStabilization of polarity axis
PF14028SpaB_CSpaB C-terminal domain
PF15307SPACA7Sperm acrosome-associated protein 7
PF02090SPAMSalmonella surface presentation of antigen gene type M protein
PF02510SPANSurface presentation of antigens protein
PF07458SPAN-XSperm protein associated with nucleus, mapped to X chromosome
PF10591SPARC_Ca_bdgSecreted protein acidic and rich in cysteine Ca binding region
PF13186SPASMIron-sulfur cluster-binding domain
PF15212SPATA19Spermatogenesis-associated protein 19, mitochondrial
PF15175SPATA24Spermatogenesis-associated protein 24
PF15218SPATA25Spermatogenesis-associated protein 25
PF14909SPATA6Spermatogenesis-assoc protein 6
PF14649Spatacsin_CSpatacsin C-terminus
PF15256SPATIALSPATIAL
PF07780Spb1_CSpb1 C-terminal domain
PF06645SPC12Microsomal signal peptidase 12 kDa subunit (SPC12)
PF04573SPC22Signal peptidase subunit
PF08286Spc24Spc24 subunit of Ndc80
PF06703SPC25Microsomal signal peptidase 25 kDa subunit (SPC25)
PF11544Spc42pSpindle pole body component Spc42p
PF08317Spc7Spc7 kinetochore protein
PF15577Spc7_C2Spc7_C2
PF15402Spc7_NN-terminus of kinetochore NMS complex subunit Spc7
PF04130Spc97_Spc98Spc97 / Spc98 family
PF05122SpdBMobile element transfer protein
PF03771SPDYDomain of unknown function (DUF317)
PF10136SpecificRecombSite-specific recombinase
PF00435SpectrinSpectrin repeat
PF15059Speriolin_CSperiolin C-terminus
PF15058Speriolin_NSperiolin N terminus
PF01564Spermine_synthSpermine/spermidine synthase
PF08250Sperm_act_pepSperm-activating peptides
PF05324Sperm_Ag_HE2Sperm antigen HE2
PF15171SpexinNeuropeptide secretory protein family, NPQ, spexin
PF14764SPG48AP-5 complex subunit, vesicle trafficking
PF05541SpheroidinEntomopoxvirus spheroidin protein
PF12138Spherulin4Spherulation-specific family 4
PF11260Spidroin_MaSpMajor ampullate spidroin 1 and 2
PF09408Spike_rec_bindSpike receptor binding domain
PF02513Spin-SstySpin/Ssty Family
PF08234Spindle_Spc25Chromosome segregation protein Spc25
PF05215SpiralinSpiralin
PF04435SPKDomain of unknown function (DUF545)
PF11132SplATranscriptional regulator protein (SplA)
PF08769Spo0A_CSporulation initiation factor Spo0A C terminal
PF07070Spo0MSpoOM protein
PF03533SPO11_likeSPO11 homologue
PF05032Spo12Spo12 family
PF08631SPO22Meiosis protein SPO22/ZIP4 like
PF03907Spo7Spo7-like protein
PF15407Spo7_2_NSporulation protein family 7
PF01052SpoASurface presentation of antigens (SPOA)
PF14689SPOB_aSensor_kinase_SpoOB-type, alpha-helical domain
PF14682SPOB_abSporulation initiation phospho-transferase B, C-terminal
PF07744SPOCSPOC domain
PF11964SpoIIAA-likeSpoIIAA-like
PF08486SpoIIDStage II sporulation protein
PF07228SpoIIEStage II sporulation protein E (SpoIIE)
PF06686SpoIIIACStage III sporulation protein AC/AD protein family
PF12685SpoIIIAHSpoIIIAH-like protein
PF12116SpoIIIDStage III sporulation protein D
PF07454SpoIIPStage II sporulation protein P (SpoIIP)
PF14171SpoIISA_toxinToxin SpoIISA, type II toxin-antitoxin system
PF14185SpoIISB_antitoxAntitoxin SpoIISB, type II toxin-antitoxin system
PF06468Spond_NSpondin_N
PF09388SpoOE-likeSpo0E like sporulation regulatory protein
PF05036SPORSporulation related domain
PF11122Spore-coat_CotDInner spore coat protein D
PF10612Spore-coat_CotZSpore coat protein Z
PF14153Spore_coat_CotOSpore coat protein CotO
PF05504Spore_GerACSpore germination B3/ GerAC like, C-terminal
PF09671Spore_GerQSpore coat protein (Spore_GerQ)
PF09548Spore_III_ABStage III sporulation protein AB (spore_III_AB)
PF09546Spore_III_AEStage III sporulation protein AE (spore_III_AE)
PF09581Spore_III_AFStage III sporulation protein AF (Spore_III_AF)
PF09551Spore_II_RStage II sporulation protein R (spore_II_R)
PF09547Spore_IV_AStage IV sporulation protein A (spore_IV_A)
PF03845Spore_permeaseSpore germination protein
PF09575Spore_SspJSmall spore protein J (Spore_SspJ)
PF09578Spore_YabQSpore cortex protein YabQ (Spore_YabQ)
PF14147Spore_YhaLSporulation protein YhaL
PF09580Spore_YhcN_YlaJSporulation lipoprotein YhcN/YlaJ (Spore_YhcN_YlaJ)
PF09577Spore_YpjBSporulation protein YpjB (SpoYpjB)
PF09579Spore_YtfJSporulation protein YtfJ (Spore_YtfJ)
PF14034Spore_YtrHSporulation protein YtrH
PF09560Spore_YunBSporulation protein YunB (Spo_YunB)
PF05642Sporozoite_P67Sporozoite P67 surface antigen
PF12164SporV_AAStage V sporulation protein AA
PF07084Spot_14Thyroid hormone-inducible hepatic protein Spot 14
PF02590SPOUT_MTasePredicted SPOUT methyltransferase
PF14419SPOUT_MTase_2AF2226-like SPOUT RNA Methylase fused to THUMP
PF00588SpoU_methylaseSpoU rRNA Methylase family
PF12105SpoU_methylas_CSpoU, rRNA methylase, C-terminal
PF08032SpoU_sub_bindRNA 2'-O ribose methyltransferase substrate binding
PF08183SpoVStage V sporulation protein family
PF03862SpoVASpoVA protein
PF13782SpoVABStage V sporulation protein AB
PF07451SpoVADStage V sporulation protein AD (SpoVAD)
PF14097SpoVAEStage V sporulation protein AE1
PF04026SpoVGSpoVG
PF14069SpoVIFStage VI sporulation protein F
PF04293SpoVRSpoVR like protein
PF04232SpoVSStage V sporulation protein S (SpoVS)
PF07448Spp-24Secreted phosphoprotein 24 (Spp-24)
PF15356SPR1Psoriasis susceptibility locus 2
PF12118SprA-relatedSprA-related family
PF14349SprA_NMotility related/secretion protein
PF13573SprBSprB repeat
PF05210SproutySprouty protein (Spry)
PF14820SPRR2Small proline-rich 2
PF10263SprT-likeSprT-like family
PF00622SPRYSPRY domain
PF08644SPT16FACT complex subunit (SPT16/CDC68)
PF08243SPT2SPT2 chromatin protein
PF12090Spt20Spt20 family
PF06093Spt4Spt4/RpoE2 zinc finger
PF03439Spt5-NGNEarly transcription elongation factor of RNA pol II, NGN section
PF11942Spt5_NSpt5 transcription elongation factor, acidic N-terminal
PF14632SPT6_acidicAcidic N-terminal SPT6
PF03539Spuma_A9PTaseSpumavirus aspartic protease (A9)
PF03534SpvBSalmonella virulence plasmid 65kDa B protein
PF05563SpvDSalmonella plasmid virulence protein SpvD
PF03779SPWSPW repeat
PF03105SPXSPX domain
PF11357Spy1Cell cycle regulatory protein
PF08999SP_C-PropepSurfactant protein C, N terminal propeptide
PF00494SQS_PSYSqualene/phytoene synthase
PF00299SquashSquash family serine protease inhibitor
PF10500SR-25Nuclear RNA-splicing-associated protein
PF07304SRA1Steroid receptor RNA activator (SRA1)
PF08832SRC-1Steroid receptor coactivator
PF00530SRCRScavenger receptor cysteine-rich domain
PF15494SRCR_2Scavenger receptor cysteine-rich domain
PF03125SreC. elegans Sre G protein-coupled chemoreceptor
PF00319SRF-TFSRF-type transcription factor (DNA-binding and dimerisation domain)
PF07520SrfBVirulence factor SrfB
PF02118SrgSrg family chemoreceptor
PF08236SRISRI (Set2 Rpb1 interacting) domain
PF04086SRP-alpha_NSignal recognition particle, alpha subunit, N-terminal
PF02290SRP14Signal recognition particle 14kD protein
PF01922SRP19SRP19 protein
PF00660SRP1_TIP1Seripauperin and TIP1 family
PF05022SRP40_CSRP40, C-terminal domain
PF00448SRP54SRP54-type protein, GTPase domain
PF02881SRP54_NSRP54-type protein, helical bundle domain
PF08492SRP72SRP72 RNA-binding domain
PF05486SRP9-21Signal recognition particle 9 kDa protein (SRP9)
PF09439SRPRBSignal recognition particle receptor beta subunit
PF02978SRP_SPBSignal peptide binding domain
PF07709SRRSeven Residue Repeat
PF07985SRR1SRR1
PF15230SRRM_CSerine/arginine repetitive matrix protein C-terminus
PF09201SRXSRX
PF00436SSBSingle-strand binding protein family
PF10141ssDNA-exonuc_CSingle-strand DNA-specific exonuclease, C terminal domain
PF04503SSDPSingle-stranded DNA binding protein, SSDP
PF07179SseBSseB protein N-terminal domain
PF14581SseB_CSseB protein C-terminal domain
PF04888SseCSecretion system effector C (SseC) like family
PF00474SSFSodium:solute symporter family
PF14723SSFA2_CSperm-specific antigen 2 C-terminus
PF04686SsgAStreptomyces sporulation and cell division protein, SsgA
PF00720SSISubtilisin inhibitor-like
PF04056Ssl1Ssl1-like
PF06933SSP160Special lobe-specific silk protein SSP160
PF04386SspBStringent starvation protein B
PF08141SspHSmall acid-soluble spore protein H family
PF14098SSPISmall, acid-soluble spore protein I
PF08176SspKSmall acid-soluble spore protein K family
PF08177SspNSmall acid-soluble spore protein N family
PF08175SspOSmall acid-soluble spore protein O family
PF08179SspPSmall acid-soluble spore protein P family
PF03531SSrecogStructure-specific recognition protein (SSRP1)
PF04722Ssu72Ssu72-like protein
PF11966SSUREFibronectin-binding repeat
PF07935SSV1_ORF_D-335ORF D-335-like protein
PF09514SSXRDSSXRD motif
PF05030SSXTSSXT protein (N-terminal region)
PF04184ST7ST7 protein
PF08514STAGSTAG domain
PF03298StanniocalcinStanniocalcin family
PF14731Staphopain_proStaphopain proregion
PF09022Staphostatin_AStaphostatin A
PF09023Staphostatin_BStaphostatin B
PF04022StaphylcoagulseStaphylocoagulase repeat
PF02821StaphylokinaseStaphylokinase/Streptokinase family
PF05480Staph_haemoStaphylococcus haemolytic protein
PF01123Stap_Strp_toxinStaphylococcal/Streptococcal toxin, OB-fold domain
PF02876Stap_Strp_tox_CStaphylococcal/Streptococcal toxin, beta-grasp domain
PF01852STARTSTART domain
PF01740STASSTAS domain
PF13466STAS_2STAS domain
PF12162STAT1_TAZ2bindSTAT1 TAZ2 binding domain
PF12188STAT2_CSignal transducer and activator of transcription 2 C terminal
PF14596STAT6_CSTAT6 C-terminal
PF03875StatherinStatherin
PF00836StathminStathmin family
PF01017STAT_alphaSTAT protein, all-alpha domain
PF02864STAT_bindSTAT protein, DNA binding domain
PF02865STAT_intSTAT protein, protein interaction domain
PF12638StaygreenStaygreen protein
PF10330Stb3Putative Sin3 binding protein
PF06406StbAStbA protein
PF09075STb_secreteHeat-stable enterotoxin B, secretory
PF12898Stc1Stc1 domain
PF02200STESTE like transcription factor
PF02116STE2Fungal pheromone mating factor STE2 GPCR
PF02076STE3Pheromone A receptor
PF11610Ste5Scaffold protein Ste5-Fus5 binding region
PF09235Ste50p-SAMSte50p, sterile alpha motif
PF12194Ste5_CProtein kinase Fus3-binding
PF03015SterileMale sterility protein
PF02544Steroid_dh3-oxo-5-alpha-steroid 4-dehydrogenase
PF12349Sterol-sensingSterol-sensing domain of SREBP cleavage-activation
PF08498Sterol_MT_CSterol methyltransferase C-terminal
PF04885Stig1Stigma-specific protein, Stig1
PF15253STIL_NSCL-interrupting locus protein N-terminus
PF13756Stimulus_sens_1Stimulus-sensing domain
PF09061StirrupStirrup
PF10494Stk19Serine-threonine protein kinase 19
PF09598Stm1_NStm1
PF07660STNSecretin and TonB N terminus short domain
PF10451Stn1Telomere regulation protein Stn1
PF09170STN1_2CST, Suppressor of cdc thirteen homolog, complex subunit STN1
PF12659Stn1_CTelomere capping C-terminal wHTH
PF12191stn_TNFRSF12ATumour necrosis factor receptor stn_TNFRSF12A_TNFR domain
PF11585StomoxynInsect antimicrobial peptide, stomoxyn
PF12016Stonin2_NStonin 2
PF05217STOPSTOP protein
PF10264Stork_headWinged helix Storkhead-box1 domain
PF06638StrabismusStrabismus protein
PF11083Streptin-ImmunLantibiotic streptin immunity protein
PF06100Strep_67kDa_antStreptococcal 67 kDa myosin-cross-reactive antigen like family
PF04270Strep_his_triadStreptococcal histidine triad protein
PF14404Strep_pepRibosomally synthesized peptide in Streptomyces species
PF06696Strep_SA_repStreptococcal surface antigen repeat
PF01657Stress-antifungSalt stress response/antifungal
PF08232StriatinStriatin family
PF10266StrumpellinHereditary spastic paraplegia protein strumpellin
PF03088Str_synthStrictosidine synthase
PF02516STT3Oligosaccharyl transferase STT3 subunit
PF03481SUA5Putative GTP-binding controlling metal-binding
PF01300Sua5_yciO_yrdCTelomere recombination
PF11420Subtilosin_ABacteriocin subtilosin A
PF13607Succ_CoA_ligSuccinyl-CoA ligase like flavodoxin domain
PF02910Succ_DH_flav_CFumarate reductase flavoprotein C-term
PF00862Sucrose_synthSucrose synthase
PF06999Suc_Fer-likeSucrase/ferredoxin-like
PF11633SUD-MSingle-stranded poly(A) binding domain
PF05843SufSuppressor of forked protein (Suf)
PF02657SufEFe-S metabolism associated domain
PF05076SUFUSuppressor of fused protein (SUFU)
PF12470SUFU_CSuppressor of Fused Gli/Ci N terminal binding domain
PF04198Sugar-bindPutative sugar-binding domain
PF11471Sugarporin_NMaltoporin periplasmic N-terminal extension
PF00083Sugar_trSugar (and other) transporter
PF06800Sugar_transportSugar transport protein
PF01253SUI1Translation initiation factor SUI1
PF14433SUKH-3SUKH-3 immunity protein
PF14435SUKH-4SUKH-4 immunity protein
PF14567SUKH_5SMI1-KNR4 cell-wall
PF14568SUKH_6SMI1-KNR4 cell-wall
PF03846SulACell division inhibitor SulA
PF08257SulfakininSulfakinin family
PF00884SulfataseSulfatase
PF14707Sulfatase_CC-terminal region of aryl-sulfatase
PF00916Sulfate_transpSulfate transporter family
PF13792Sulfate_tra_GLYSulfate transporter N-terminal domain with GLY motif
PF05584Sulfolobus_pRNSulfolobus plasmid regulatory protein
PF00685Sulfotransfer_1Sulfotransferase domain
PF03567Sulfotransfer_2Sulfotransferase family
PF13469Sulfotransfer_3Sulfotransferase family
PF12193Sulf_coat_CSulfolobus virus coat protein C terminal
PF04143Sulf_transpSulphur transport
PF09037SulphotransfStf0 sulphotransferase
PF03856SUNBeta-glucosidase (SUN family)
PF11414Suppressor_APCAdenomatous polyposis coli tumour suppressor protein
PF11479Suppressor_P21RNA silencing suppressor P21
PF06687SUR7SUR7/PalI family
PF09312SurA_NSurA N-terminal domain
PF13623SurA_N_2SurA N-terminal domain
PF13624SurA_N_3SurA N-terminal domain
PF01975SurESurvival protein SurE
PF02104SURF1SURF1 family
PF05477SURF2Surfeit locus protein 2 (SURF2)
PF02077SURF4SURF4 family
PF04935SURF6Surfeit locus protein 6
PF01617Surface_Ag_2Surface antigen
PF11054Surface_antigenSporozoite TA4 surface antigen
PF09006Surfac_D-trimerLung surfactant protein D coiled-coil trimerisation
PF07244Surf_Ag_VNRSurface antigen variable number repeat
PF07712SURNod19Stress up-regulated Nod 19
PF01805SurpSurp module
PF07980SusDSusD family
PF12741SusD-likeSusd and RagB outer membrane lipoprotein
PF12771SusD-like_2Starch-binding associating with outer membrane
PF14322SusD-like_3Starch-binding associating with outer membrane
PF14292SusESusE outer membrane protein
PF00084SushiSushi domain (SCR repeat)
PF09014Sushi_2Beta-2-glycoprotein-1 fifth domain
PF12513SUV3_CMitochondrial degradasome RNA helicase subunit C terminal
PF12752SUZSUZ domain
PF12901SUZ-CSUZ-C motif
PF05326SVASeminal vesicle autoantigen (SVA)
PF08622Svf1Svf1-like
PF12113SVM_signalSVM protein signal sequence
PF10578SVS_QKSeminal vesicle protein repeat
PF15430SVWCSingle domain von Willebrand factor type C
PF08549SWI-SNF_Ssr4Fungal domain of unknown function (DUF1750)
PF07962Swi3Replication Fork Protection Component Swi3
PF07061Swi5Swi5
PF02201SWIBSWIB/MDM2 domain
PF04434SWIMSWIM zinc finger
PF04433SWIRMSWIRM domain
PF13753SWM_repeatPutative flagellar system-associated repeat
PF04099SybindinSybindin-like family
PF15233SYCE1Synaptonemal complex central element protein 1
PF07348SydSyd protein (SUKH-2)
PF08231SYF2SYF2 splicing factor
PF02383Syja_NSacI homology domain
PF08845SymE_toxinToxin SymE, type I toxin-antitoxin system
PF12295Symplekin_CSymplekin tight junction protein C terminal
PF05835SynaphinSynaphin protein
PF02078SynapsinSynapsin, N-terminal domain
PF02750Synapsin_CSynapsin, ATP binding domain
PF10581Synapsin_NSynapsin N-terminal
PF00957SynaptobrevinSynaptobrevin
PF15191Synaptonemal_3Synaptonemal complex central element protein 3
PF15138SyncollinSyncollin
PF01034SyndecanSyndecan domain
PF06047SynMuv_productRas-induced vulval development antagonist
PF15290SyntaphilinGolgi-localised syntaxin-1-binding clamp
PF00804SyntaxinSyntaxin
PF10496Syntaxin-18_NSNARE-complex protein Syntaxin-18 N-terminus
PF09177Syntaxin-6_NSyntaxin 6, N-terminal
PF14523Syntaxin_2Syntaxin-like protein
PF11421Synthase_betaATP synthase F1 beta subunit
PF01387SynucleinSynuclein
PF11089SyrAExopolysaccharide production repressor
PF09801SYS1Integral membrane protein S linking to the trans Golgi network
PF01023S_100S-100/ICaBP type calcium binding domain
PF05124S_layer_CS-layer like family, C-terminal region
PF05123S_layer_NS-layer like family, N-terminal region
PF00954S_locus_glycopS-locus glycoprotein family
PF14928S_tail_recep_bdShort tail fibre protein receptor-binding domain