Browse through the Pfam families on this page.

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0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

S-AdoMet_synt_C PF02773.11 S-adenosylmethionine synthetase, C-terminal domain

S-AdoMet_synt_M PF02772.11 S-adenosylmethionine synthetase, central domain

S-AdoMet_synt_N PF00438.15 S-adenosylmethionine synthetase, N-terminal domain

S-antigen PF05756.6 S-antigen protein

S-layer PF07752.6 S-layer protein

S-methyl_trans PF02574.11 Homocysteine S-methyltransferase

S1 PF00575.18 S1 RNA binding domain

S1-like PF14444.1 S1-like

S1-P1_nuclease PF02265.11 S1/P1 Nuclease

S100PBPR PF15427.1 S100P-binding protein

S10_plectin PF03501.10 Plectin/S10 domain

S19 PF06756.6 Chorion protein S19 C-terminal

S1FA PF04689.8 DNA binding protein S1FA

S1_2 PF13509.1 S1 domain

S4 PF01479.20 S4 domain

S4_2 PF13275.1 S4 domain

S6PP PF05116.8 Sucrose-6F-phosphate phosphohydrolase

S6PP_C PF08472.5 Sucrose-6-phosphate phosphohydrolase C-terminal

SAA PF00277.13 Serum amyloid A protein

SAB PF04382.8 SAB domain

SAC3 PF12209.3 Leucine permease transcriptional regulator helical domain

SAC3_GANP PF03399.11 SAC3/GANP/Nin1/mts3/eIF-3 p25 family

Saccharop_dh PF03435.13 Saccharopine dehydrogenase

Saccharop_dh_N PF04455.7 LOR/SDH bifunctional enzyme conserved region

Sad1_UNC PF07738.8 Sad1 / UNC-like C-terminal

SAD_SRA PF02182.12 SAD/SRA domain

SAE2 PF08573.5 DNA repair protein endonuclease SAE2/CtIP C-terminus

SAF PF08666.7 SAF domain

Saf-Nte_pilin PF09460.5 Saf-pilin pilus formation protein

SAF_2 PF13144.1 SAF-like

SAG PF04092.8 SRS domain

SAGA-Tad1 PF12767.2 Transcriptional regulator of RNA polII, SAGA, subunit

SAICAR_synt PF01259.13 SAICAR synthetase

Salp15 PF12115.3 Salivary protein of 15kDa inhibits CD4+ T cell activation

Salt_tol_Pase PF09506.5 Glucosylglycerol-phosphate phosphatase (Salt_tol_Pase)

SAMP PF05924.6 SAMP Motif

SAM_1 PF00536.25 SAM domain (Sterile alpha motif)

SAM_2 PF07647.12 SAM domain (Sterile alpha motif)

SAM_adeno_trans PF01887.11 S-adenosyl-l-methionine hydroxide adenosyltransferase

SAM_decarbox PF01536.11 Adenosylmethionine decarboxylase

SAM_MT PF04445.8 Putative SAM-dependent methyltransferase

SAM_PNT PF02198.11 Sterile alpha motif (SAM)/Pointed domain

SAND PF01342.16 SAND domain

SANTA PF09133.5 SANTA (SANT Associated)

SAP PF02037.22 SAP domain

SAP18 PF06487.7 Sin3 associated polypeptide p18 (SAP18)

SAP25 PF15476.1 Histone deacetylase complex subunit SAP25

SAP30_Sin3_bdg PF13867.1 Sin3 binding region of histone deacetylase complex subunit SAP30

SapA PF02199.10 Saposin A-type domain

SapB_1 PF05184.10 Saposin-like type B, region 1

SapB_2 PF03489.12 Saposin-like type B, region 2

SapC PF07277.6 SapC

SAPS PF04499.10 SIT4 phosphatase-associated protein

Sar8_2 PF03058.9 Sar8.2 family

SARA PF11409.3 Smad anchor for receptor activation (SARA)

Sarcoglycan_1 PF04790.8 Sarcoglycan complex subunit protein

Sarcoglycan_2 PF05510.8 Sarcoglycan alpha/epsilon

Sarcolipin PF05366.6 Sarcolipin

SARG PF15385.1 Specifically androgen-regulated gene protein

Sars6 PF12133.3 Open reading frame 6 from SARS coronavirus

SARS_3b PF12383.3 Severe acute respiratory syndrome coronavirus 3b protein

SARS_lipid_bind PF09399.5 SARS lipid binding protein

SARS_X4 PF08779.5 SARS coronavirus X4 like

SART-1 PF03343.8 SART-1 family

Sas10 PF09368.5 Sas10 C-terminal domain

Sas10_Utp3 PF04000.10 Sas10/Utp3/C1D family

SAS4 PF15460.1 Something about silencing, SAS, complex subunit 4

SASP PF00269.15 Small, acid-soluble spore proteins, alpha/beta type

SASP_gamma PF04259.9 Small, acid-soluble spore protein, gamma-type

SASRP1 PF15160.1 Spermatogenesis-associated serine-rich protein 1

SATase_N PF06426.9 Serine acetyltransferase, N-terminal

Saw1 PF11561.3 Single strand annealing-weakened 1

SAYSvFN PF10260.4 Uncharacterized conserved domain (SAYSvFN)

SBBP PF06739.6 Beta-propeller repeat

SbcCD_C PF13558.1 Putative exonuclease SbcCD, C subunit

SbcD_C PF12320.3 Type 5 capsule protein repressor C-terminal domain

SBDS PF01172.13 Shwachman-Bodian-Diamond syndrome (SBDS) protein

SBDS_C PF09377.5 SBDS protein C-terminal domain

SBF PF01758.11 Sodium Bile acid symporter family

SBF2 PF12335.3 Myotubularin protein

Sbi-IV PF11621.3 C3 binding domain 4 of IgG-bind protein SBI

SbmA_BacA PF05992.7 SbmA/BacA-like family

SBP PF03110.9 SBP domain

SBP56 PF05694.6 56kDa selenium binding protein (SBP56)

SBP_bac_1 PF01547.20 Bacterial extracellular solute-binding protein

SBP_bac_10 PF07596.6 Protein of unknown function (DUF1559)

SBP_bac_11 PF13531.1 Bacterial extracellular solute-binding protein

SBP_bac_3 PF00497.15 Bacterial extracellular solute-binding proteins, family 3

SBP_bac_5 PF00496.17 Bacterial extracellular solute-binding proteins, family 5 Middle

SBP_bac_6 PF13343.1 Bacterial extracellular solute-binding protein

SBP_bac_7 PF03480.8 Bacterial extracellular solute-binding protein, family 7

SBP_bac_8 PF13416.1 Bacterial extracellular solute-binding protein

SCA7 PF08313.7 SCA7, zinc-binding domain

Scaffolding_pro PF11418.3 Phi29 scaffolding protein

SCAMP PF04144.8 SCAMP family

SCAN PF02023.12 SCAN domain

ScdA_N PF04405.9 Domain of Unknown function (DUF542)

SCF PF02404.10 Stem cell factor

SCFA_trans PF02667.9 Short chain fatty acid transporter

SchA_CurD PF04486.7 SchA/CurD like domain

SCHIP-1 PF10148.4 Schwannomin-interacting protein 1

SCIMP PF15050.1 SCIMP protein

Sclerostin PF05463.6 Sclerostin (SOST)

Scm3 PF10384.4 Centromere protein Scm3

SCO1-SenC PF02630.9 SCO1/SenC

SCP-1 PF05483.7 Synaptonemal complex protein 1 (SCP-1)

SCP1201-deam PF14428.1 SCP1.201-like deaminase

SCP2 PF02036.12 SCP-2 sterol transfer family

SCP2_2 PF13530.1 Sterol carrier protein domain

ScpA_ScpB PF02616.9 ScpA/B protein

SCPU PF05229.10 Spore Coat Protein U domain

Scramblase PF03803.10 Scramblase

SCRG1 PF15224.1 Scrapie-responsive protein 1

SCRL PF06876.7 Plant self-incompatibility response (SCRL) protein

Scs3p PF10261.4 Inositol phospholipid synthesis and fat-storage-inducing TM

Scytalone_dh PF02982.9 Scytalone dehydratase

Sda PF08970.5 Sporulation inhibitor A

SDA1 PF05285.7 SDA1

SDF PF00375.13 Sodium:dicarboxylate symporter family

Sdh5 PF03937.11 Flavinator of succinate dehydrogenase

SDH_alpha PF03313.10 Serine dehydratase alpha chain

SDH_beta PF03315.10 Serine dehydratase beta chain

Sdh_cyt PF01127.17 Succinate dehydrogenase/Fumarate reductase transmembrane subunit

SDH_sah PF01972.11 Serine dehydrogenase proteinase

SdiA-regulated PF06977.6 SdiA-regulated

SdpI PF13630.1 SdpI/YhfL protein family

SDP_N PF12278.3 Sex determination protein N terminal

SdrG_C_C PF10425.4 C-terminus of bacterial fibrinogen-binding adhesin

Sds3 PF08598.6 Sds3-like

SE PF08491.5 Squalene epoxidase

Se-cys_synth_N PF12390.3 Selenocysteine synthase N terminal

SEA PF01390.15 SEA domain

Seadorna_Vp10 PF07322.6 Seadornavirus Vp10

Seadorna_VP6 PF07407.6 Seadornavirus VP6 protein

Seadorna_VP7 PF07387.6 Seadornavirus VP7

Sec-ASP3 PF15432.1 Accessory Sec secretory system ASP3

SEC-C PF02810.10 SEC-C motif

Sec1 PF00995.18 Sec1 family

Sec10 PF07393.6 Exocyst complex component Sec10

Sec15 PF04091.7 Exocyst complex subunit Sec15-like

Sec16 PF12932.2 Vesicle coat trafficking protein Sec16 mid-region

Sec16_C PF12931.2 Sec23-binding domain of Sec16

Sec16_N PF12935.2 Vesicle coat trafficking protein Sec16 N-terminus

Sec20 PF03908.8 Sec20

Sec23_BS PF08033.7 Sec23/Sec24 beta-sandwich domain

Sec23_helical PF04815.10 Sec23/Sec24 helical domain

Sec23_trunk PF04811.10 Sec23/Sec24 trunk domain

Sec2p PF06428.6 GDP/GTP exchange factor Sec2p

Sec3-PIP2_bind PF15277.1 Exocyst complex component SEC3 N-terminal PIP2 binding PH

Sec31 PF11549.3 Protein transport protein SEC31

Sec34 PF04136.10 Sec34-like family

Sec39 PF08314.6 Secretory pathway protein Sec39

Sec3_C PF09763.4 Exocyst complex component Sec3

Sec3_C_2 PF15278.1 Sec3 exocyst complex subunit

Sec5 PF15469.1 Exocyst complex component Sec5

Sec6 PF06046.8 Exocyst complex component Sec6

Sec61_beta PF03911.11 Sec61beta family

Sec62 PF03839.11 Translocation protein Sec62

Sec63 PF02889.11 Sec63 Brl domain

Sec66 PF09802.4 Preprotein translocase subunit Sec66

Sec7 PF01369.15 Sec7 domain

Sec7_N PF12783.2 Guanine nucleotide exchange factor in Golgi transport N-terminal

Sec8_exocyst PF04048.9 Sec8 exocyst complex component specific domain

SecA_DEAD PF07517.9 SecA DEAD-like domain

SecA_PP_bind PF01043.15 SecA preprotein cross-linking domain

SecA_SW PF07516.8 SecA Wing and Scaffold domain

SecB PF02556.9 Preprotein translocase subunit SecB

SecD-TM1 PF13721.1 SecD export protein N-terminal TM region

SecD_SecF PF02355.11 Protein export membrane protein

SecE PF00584.15 SecE/Sec61-gamma subunits of protein translocation complex

SecG PF03840.9 Preprotein translocase SecG subunit

SecIII_SopE_N PF05364.9 Salmonella type III secretion SopE effector N-terminus

SecM PF06558.7 Secretion monitor precursor protein (SecM)

Secretin PF00263.16 Bacterial type II and III secretion system protein

Secretin_N PF03958.12 Bacterial type II/III secretion system short domain

Secretin_N_2 PF07655.8 Secretin N-terminal domain

Secretogranin_V PF05281.6 Neuroendocrine protein 7B2 precursor (Secretogranin V)

Securin PF04856.8 Securin sister-chromatid separation inhibitor

SecY PF00344.15 SecY translocase

Sec_GG PF07549.9 SecD/SecF GG Motif

Sed5p PF11416.3 Integral membrane protein Sed5p

Sedlin_N PF04628.8 Sedlin, N-terminal conserved region

SEEEED PF14797.1 Serine-rich region of AP3B1, clathrin-adaptor complex

SEEK1 PF15357.1 Psoriasis susceptibility 1 candidate 1

SEF14_adhesin PF06443.6 SEF14-like adhesin

SEFIR PF08357.6 SEFIR domain

Seipin PF06775.9 Putative adipose-regulatory protein (Seipin)

Sel1 PF08238.7 Sel1 repeat

SelA PF03841.8 L-seryl-tRNA selenium transferase

SelB-wing_1 PF09105.5 Elongation factor SelB, winged helix

SelB-wing_2 PF09106.6 Elongation factor SelB, winged helix

SelB-wing_3 PF09107.6 Elongation factor SelB, winged helix

SeleniumBinding PF11524.3 Selenium binding protein

Selenoprotein_S PF06936.6 Selenoprotein S (SelS)

Self-incomp_S1 PF05938.6 Plant self-incompatibility protein S1

SelP_C PF04593.9 Selenoprotein P, C terminal region

SelP_N PF04592.9 Selenoprotein P, N terminal region

SelR PF01641.13 SelR domain

Sema PF01403.14 Sema domain

Semenogelin PF05474.6 Semenogelin

Semialdhyde_dh PF01118.19 Semialdehyde dehydrogenase, NAD binding domain

Semialdhyde_dhC PF02774.13 Semialdehyde dehydrogenase, dimerisation domain

Sen15 PF09631.5 Sen15 protein

SEN1_N PF12726.2 SEN1 N terminal

Senescence PF06911.7 Senescence-associated protein

Senescence_reg PF04520.8 Senescence regulator

Sensor PF13796.1 Putative sensor

Sensor_TM1 PF13755.1 Sensor N-terminal transmembrane domain

SEO_C PF14577.1 Sieve element occlusion C-terminus

SEO_N PF14576.1 Sieve element occlusion N-terminus

SEP PF08059.8 SEP domain

Sep15_SelM PF08806.6 Sep15/SelM redox domain

SepQ PF06622.6 SepQ protein

Septin PF00735.13 Septin

Septum_form PF13845.1 Septum formation

SepZ PF06066.6 SepZ

SeqA PF03925.8 SeqA protein

Serendipity_A PF05482.7 Serendipity locus alpha protein (SRY-A)

Serglycin PF04360.7 Serglycin

SerH PF06873.6 Cell surface immobilisation antigen SerH

Serinc PF03348.10 Serine incorporator (Serinc)

Serine_rich PF08824.5 Serine rich protein interaction domain

Serpentine_r_xa PF03383.10 Caenorhabditis serpentine receptor-like protein, class xa

Serpin PF00079.15 Serpin (serine protease inhibitor)

Serpulina_VSP PF05540.6 Serpulina hyodysenteriae variable surface protein

SERTA PF06031.8 SERTA motif

Serum_albumin PF00273.15 Serum albumin family

Seryl_tRNA_N PF02403.17 Seryl-tRNA synthetase N-terminal domain

Ser_hydrolase PF06821.8 Serine hydrolase

SET PF00856.23 SET domain

SET_assoc PF11767.3 Histone lysine methyltransferase SET associated

Sex_peptide PF08138.6 Sex peptide (SP) family

SF-assemblin PF06705.6 SF-assemblin/beta giardin

SF3a60_bindingd PF12108.3 Splicing factor SF3a60 binding domain

SF3b1 PF08920.5 Splicing factor 3B subunit 1

SF3b10 PF07189.6 Splicing factor 3B subunit 10 (SF3b10)

Sfi1 PF08457.5 Sfi1 spindle body protein

Sfi1_C PF10638.4 Spindle body associated protein C-terminus

SfsA PF03749.8 Sugar fermentation stimulation protein

SFTA2 PF15210.1 Surfactant-associated protein 2

Sgf11 PF08209.6 Sgf11 (transcriptional regulation protein)

SGIII PF15467.1 Secretogranin-3

SGL PF08450.7 SMP-30/Gluconolaconase/LRE-like region

SgrR_N PF12793.2 Sugar transport-related sRNA regulator N-term

SGS PF05002.10 SGS domain

SGT1 PF07093.6 SGT1 protein

SH PF01445.12 Viral small hydrophobic protein

SH2 PF00017.19 SH2 domain

SH2_2 PF14633.1 SH2 domain

SH3BGR PF04908.10 SH3-binding, glutamic acid-rich protein

SH3BP5 PF05276.9 SH3 domain-binding protein 5 (SH3BP5)

SH3_1 PF00018.23 SH3 domain

SH3_2 PF07653.12 Variant SH3 domain

SH3_3 PF08239.6 Bacterial SH3 domain

SH3_4 PF06347.8 Bacterial SH3 domain

SH3_5 PF08460.5 Bacterial SH3 domain

SH3_6 PF12913.2 SH3 domain of the SH3b1 type

SH3_7 PF12914.2 SH3 domain of SH3b2 type

SH3_8 PF13457.1 SH3-like domain

SH3_9 PF14604.1 Variant SH3 domain

Shadoo PF14999.1 Shadow of prion protein, neuroprotective

Shal-type PF11601.3 Shal-type voltage-gated potassium channels

SHD1 PF03983.7 SLA1 homology domain 1, SHD1

She2p PF11435.3 RNA binding protein She2p

She9_MDM33 PF05546.6 She9 / Mdm33 family

Shigella_OspC PF06128.6 Shigella flexneri OspC protein

Shikimate_DH PF01488.15 Shikimate / quinate 5-dehydrogenase

Shikimate_dh_N PF08501.6 Shikimate dehydrogenase substrate binding domain

SHIPPO-rpt PF07004.7 Sperm-tail PG-rich repeat

Shisa PF13908.1 Wnt and FGF inhibitory regulator

ShK PF01549.19 ShK domain-like

ShlB PF03865.8 Haemolysin secretion/activation protein ShlB/FhaC/HecB

SHMT PF00464.14 Serine hydroxymethyltransferase


SHOCT PF09851.4 Short C-terminal domain

SHP PF03579.8 Small hydrophobic protein

SHQ1 PF04925.10 SHQ1 protein

SHR3_chaperone PF08229.6 ER membrane protein SH3

SHS2_FTSA PF02491.15 SHS2 domain inserted in FTSA

SHS2_Rpb7-N PF03876.12 SHS2 domain found in N terminus of Rpb7p/Rpc25p/MJ0397

Shufflon_N PF04917.7 Bacterial shufflon protein, N-terminal constant region

Shugoshin_C PF07557.6 Shugoshin C terminus

Shugoshin_N PF07558.6 Shugoshin N-terminal coiled-coil region

Siah-Interact_N PF09032.6 Siah interacting protein, N terminal

Sial-lect-inser PF09264.5 Vibrio cholerae sialidase, lectin insertion

Sialidase PF02973.11 Sialidase, N-terminal domain

Sialidase_penC PF12135.3 Sialidase enzyme penultimate C terminal domain

SIC PF03482.8 sic protein

SICA_alpha PF12887.2 SICA extracellular alpha domain

SICA_beta PF12878.2 SICA extracellular beta domain

SICA_C PF12879.2 SICA C-terminal inner membrane domain

SicP-binding PF09119.5 SicP binding

SID PF11778.3 Septation initiation

SID-1_RNA_chan PF13965.1 dsRNA-gated channel SID-1

SidE PF12252.3 Dot/Icm substrate protein

SieB PF14163.1 Superinfection exclusion protein B

Sif PF06767.6 Sif protein

Sigma54_activat PF00158.21 Sigma-54 interaction domain

Sigma54_activ_2 PF14532.1 Sigma-54 interaction domain

Sigma54_AID PF00309.15 Sigma-54 factor, Activator interacting domain (AID)

Sigma54_CBD PF04963.8 Sigma-54 factor, core binding domain

Sigma54_DBD PF04552.8 Sigma-54, DNA binding domain

Sigma70_ECF PF07638.6 ECF sigma factor

Sigma70_ner PF04546.8 Sigma-70, non-essential region

Sigma70_r1_1 PF03979.9 Sigma-70 factor, region 1.1

Sigma70_r1_2 PF00140.15 Sigma-70 factor, region 1.2

Sigma70_r2 PF04542.9 Sigma-70 region 2

Sigma70_r3 PF04539.11 Sigma-70 region 3

Sigma70_r4 PF04545.11 Sigma-70, region 4

Sigma70_r4_2 PF08281.7 Sigma-70, region 4

Sigma_1s PF02454.11 Sigma 1s protein

Sigma_1_2 PF03084.9 Reoviral Sigma1/Sigma2 family

Sigma_reg_C PF13791.1 Sigma factor regulator C-terminal

Sigma_reg_N PF13800.1 Sigma factor regulator N-terminal

Silic_transp PF03842.8 Silicon transporter

SIMPL PF04402.9 Protein of unknown function (DUF541)

SIM_C PF06621.7 Single-minded protein C-terminus

SIN1 PF05422.7 Stress-activated map kinase interacting protein 1 (SIN1)

Sin3_corepress PF08295.7 Sin3 family co-repressor

Sina PF03145.11 Seven in absentia protein family

SinI PF08671.5 Anti-repressor SinI

Sin_N PF04801.8 Sin-like protein conserved region

SIP PF04954.8 Siderophore-interacting protein

SIP1 PF04938.7 Survival motor neuron (SMN) interacting protein 1 (SIP1)

SipA PF09052.5 Salmonella invasion protein A

Sipho_Gp157 PF05565.6 Siphovirus Gp157

Sipho_Gp37 PF14594.1 Siphovirus ReqiPepy6 Gp37-like protein

Sipho_tail PF05709.6 Phage tail protein

Sir1 PF11603.3 Regulatory protein Sir1

SIR2 PF02146.12 Sir2 family

SIR2_2 PF13289.1 SIR2-like domain

SirB PF04247.7 Invasion gene expression up-regulator, SirB

Sirohm_synth_C PF14823.1 Sirohaem biosynthesis protein C-terminal

Sirohm_synth_M PF14824.1 Sirohaem biosynthesis protein central

SIS PF01380.17 SIS domain

SIS_2 PF13580.1 SIS domain

SIT PF15330.1 SHP2-interacting transmembrane adaptor protein, SIT

Siva PF05458.7 Cd27 binding protein (Siva)

SKG6 PF08693.5 Transmembrane alpha-helix domain

SKI PF01202.17 Shikimate kinase

SKIP_SNW PF02731.10 SKIP/SNW domain

Ski_Sno PF02437.12 SKI/SNO/DAC family

SKN1 PF03935.10 Beta-glucan synthesis-associated protein (SKN1)

Skp1 PF01466.14 Skp1 family, dimerisation domain

Skp1_POZ PF03931.10 Skp1 family, tetramerisation domain

SK_channel PF03530.9 Calcium-activated SK potassium channel

SLAC1 PF03595.12 Voltage-dependent anion channel

SLAIN PF15301.1 SLAIN motif-containing family

SLAM PF06214.6 Signaling lymphocytic activation molecule (SLAM) protein

SLAP PF03217.9 Bacterial surface layer protein

SLA_LP_auto_ag PF05889.8 Soluble liver antigen/liver pancreas antigen (SLA/LP autoantigen)

SLBB PF10531.4 SLBB domain

SLBP_RNA_bind PF15247.1 Histone RNA hairpin-binding protein RNA-binding domain

SLD3 PF08639.5 DNA replication regulator SLD3

Sld5 PF05916.6 GINS complex protein

SLEI_Leptospira PF07620.6 SLEI

SLH PF00395.15 S-layer homology domain


Slp PF03843.8 Outer membrane lipoprotein Slp family

SLR1-BP PF07333.7 S locus-related glycoprotein 1 binding pollen coat protein (SLR1-BP)

SLS PF14611.1 Mitochondrial inner-membrane-bound regulator

SLT PF01464.15 Transglycosylase SLT domain

SLT_2 PF13406.1 Transglycosylase SLT domain

SLT_beta PF02258.11 Shiga-like toxin beta subunit

SLT_L PF14718.1 Soluble lytic murein transglycosylase L domain

Slu7 PF11708.3 Pre-mRNA splicing Prp18-interacting factor

Slx4 PF09494.5 Slx4 endonuclease

SLX9 PF15341.1 Ribosome biogenesis protein SLX9

SLY PF12485.3 Lymphocyte signaling adaptor protein

SlyX PF04102.7 SlyX

SM-ATX PF14438.1 Ataxin 2 SM domain

Smac_DIABLO PF09057.5 Second Mitochondria-derived Activator of Caspases

SMAP PF15477.1 Small acidic protein family

SMC_hinge PF06470.8 SMC proteins Flexible Hinge Domain

SMC_N PF02463.14 RecF/RecN/SMC N terminal domain

SMC_Nse1 PF07574.8 Nse1 non-SMC component of SMC5-6 complex

Smg4_UPF3 PF03467.10 Smg-4/UPF3 family

SMI1_KNR4 PF09346.5 SMI1 / KNR4 family (SUKH-1)

SMK-1 PF04802.10 Component of IIS longevity pathway SMK-1

SMN PF06003.7 Survival motor neuron protein (SMN)

Smoothelin PF12510.3 Smoothelin cytoskeleton protein

SMP PF04927.7 Seed maturation protein

SmpA_OmlA PF04355.8 SmpA / OmlA family

SmpB PF01668.13 SmpB protein

SMP_2 PF10144.4 Bacterial virulence factor haemolysin

Smr PF01713.16 Smr domain

SMRP1 PF15181.1 Spermatid-specific manchette-related protein 1

Sm_multidrug_ex PF06695.6 Putative small multi-drug export protein

SnAC PF14619.1 Snf2-ATP coupling, chromatin remodelling complex

SNAP PF14938.1 Soluble NSF attachment protein, SNAP

SNAP-25 PF00835.14 SNAP-25 family

SNAPc19 PF15497.1 snRNA-activating protein complex subunit 19, SNAPc subunit 19

SnAPC_2_like PF11035.3 Small nuclear RNA activating complex subunit 2-like

SNAPc_SNAP43 PF09808.4 Small nuclear RNA activating complex (SNAPc), subunit SNAP43

Snapin_Pallidin PF14712.1 Snapin/Pallidin

SNARE PF05739.14 SNARE domain

SNARE_assoc PF09335.6 SNARE associated Golgi protein

SNase PF00565.12 Staphylococcal nuclease homologue

SNF PF00209.13 Sodium:neurotransmitter symporter family

SNF2_assoc PF08455.5 Bacterial SNF2 helicase associated

SNF2_N PF00176.18 SNF2 family N-terminal domain

SNF5 PF04855.7 SNF5 / SMARCB1 / INI1

Snf7 PF03357.16 Snf7

SNN_cytoplasm PF09051.5 Stannin cytoplasmic

SNN_linker PF09050.5 Stannin unstructured linker

SNN_transmemb PF09049.5 Stannin transmembrane

SNO PF01174.14 SNO glutamine amidotransferase family

SnoaL PF07366.7 SnoaL-like polyketide cyclase

SnoaL_2 PF12680.2 SnoaL-like domain

SnoaL_3 PF13474.1 SnoaL-like domain

SnoaL_4 PF13577.1 SnoaL-like domain

SNURF PF07192.6 SNURF/RPN4 protein

Snurportin1 PF11538.3 Snurportin1

SOBP PF15279.1 Sine oculis-binding protein

SOCS PF12610.3 Suppressor of cytokine signalling

SOCS_box PF07525.11 SOCS box

Sod_Cu PF00080.15 Copper/zinc superoxide dismutase (SODC)

Sod_Fe_C PF02777.13 Iron/manganese superoxide dismutases, C-terminal domain

Sod_Fe_N PF00081.17 Iron/manganese superoxide dismutases, alpha-hairpin domain

Sod_Ni PF09055.6 Nickel-containing superoxide dismutase

Sof1 PF04158.9 Sof1-like domain

SOG2 PF10428.4 RAM signalling pathway protein

Solute_trans_a PF03619.11 Organic solute transporter Ostalpha

Somatomedin_B PF01033.12 Somatomedin B domain

Somatostatin PF03002.10 Somatostatin/Cortistatin family

SopA PF13981.1 SopA-like central domain

SopA_C PF13979.1 SopA-like catalytic domain

SopD PF11047.3 Salmonella outer protein D

SopE_GEF PF07487.8 SopE GEF domain

SOR PF07682.6 Sulphur oxygenase reductase

Sorb PF02208.11 Sorbin homologous domain

Sororin PF09666.5 Sororin protein

Sortase PF04203.8 Sortase family

Sorting_nexin PF03700.8 Sorting nexin, N-terminal domain

SOR_SNZ PF01680.12 SOR/SNZ family

SOUL PF04832.7 SOUL heme-binding protein

SoxD PF04267.7 Sarcosine oxidase, delta subunit family

SoxE PF06525.6 Sulfocyanin (SoxE)

SoxG PF04268.7 Sarcosine oxidase, gamma subunit family

SOXp PF12336.3 SOX transcription factor

SoxY PF13501.1 Sulfur oxidation protein SoxY

SoxZ PF08770.6 Sulphur oxidation protein SoxZ

Sox_C_TAD PF12067.3 Sox C-terminal transactivation domain

Sox_N PF12444.3 Sox developmental protein N terminal

Soyouz_module PF14313.1 N-terminal region of Paramyxovirinae phosphoprotein (P)

Sp100 PF03172.8 Sp100 domain

SP2 PF03014.9 Structural protein 2

Sp38 PF07354.7 Zona-pellucida-binding protein (Sp38)

SPA PF08616.5 Stabilization of polarity axis

SpaB_C PF14028.1 SpaB C-terminal domain

SPACA7 PF15307.1 Sperm acrosome-associated protein 7

SPAM PF02090.10 Salmonella surface presentation of antigen gene type M protein

SPAN PF02510.9 Surface presentation of antigens protein

SPAN-X PF07458.7 Sperm protein associated with nucleus, mapped to X chromosome

SPARC_Ca_bdg PF10591.4 Secreted protein acidic and rich in cysteine Ca binding region

SPASM PF13186.1 Iron-sulfur cluster-binding domain

SPATA19 PF15212.1 Spermatogenesis-associated protein 19, mitochondrial

SPATA24 PF15175.1 Spermatogenesis-associated protein 24

SPATA25 PF15218.1 Spermatogenesis-associated protein 25

SPATA6 PF14909.1 Spermatogenesis-assoc protein 6

Spatacsin_C PF14649.1 Spatacsin C-terminus


Spb1_C PF07780.7 Spb1 C-terminal domain

SPC12 PF06645.8 Microsomal signal peptidase 12 kDa subunit (SPC12)

SPC22 PF04573.7 Signal peptidase subunit

Spc24 PF08286.6 Spc24 subunit of Ndc80

SPC25 PF06703.6 Microsomal signal peptidase 25 kDa subunit (SPC25)

Spc42p PF11544.3 Spindle pole body component Spc42p

Spc7 PF08317.6 Spc7 kinetochore protein

Spc7_C2 PF15577.1 Spc7_C2

Spc7_N PF15402.1 N-terminus of kinetochore NMS complex subunit Spc7

Spc97_Spc98 PF04130.8 Spc97 / Spc98 family

SpdB PF05122.8 Mobile element transfer protein

SPDY PF03771.11 Domain of unknown function (DUF317)

SpecificRecomb PF10136.4 Site-specific recombinase

Spectrin PF00435.16 Spectrin repeat

Speriolin_C PF15059.1 Speriolin C-terminus

Speriolin_N PF15058.1 Speriolin N terminus

Spermine_synth PF01564.12 Spermine/spermidine synthase

Sperm_act_pep PF08250.6 Sperm-activating peptides

Sperm_Ag_HE2 PF05324.8 Sperm antigen HE2

Spexin PF15171.1 Neuropeptide secretory protein family, NPQ, spexin

SPG48 PF14764.1 AP-5 complex subunit, vesicle trafficking

Spheroidin PF05541.7 Entomopoxvirus spheroidin protein

Spherulin4 PF12138.3 Spherulation-specific family 4

Spidroin_MaSp PF11260.3 Major ampullate spidroin 1 and 2

Spike_rec_bind PF09408.5 Spike receptor binding domain

Spin-Ssty PF02513.12 Spin/Ssty Family

Spindle_Spc25 PF08234.7 Chromosome segregation protein Spc25

Spiralin PF05215.8 Spiralin

SPK PF04435.13 Domain of unknown function (DUF545)

SplA PF11132.3 Transcriptional regulator protein (SplA)

Spo0A_C PF08769.6 Sporulation initiation factor Spo0A C terminal

Spo0M PF07070.6 SpoOM protein

SPO11_like PF03533.9 SPO11 homologue

Spo12 PF05032.7 Spo12 family

SPO22 PF08631.5 Meiosis protein SPO22/ZIP4 like

Spo7 PF03907.8 Spo7-like protein

Spo7_2_N PF15407.1 Sporulation protein family 7

SpoA PF01052.15 Surface presentation of antigens (SPOA)

SPOB_a PF14689.1 Sensor_kinase_SpoOB-type, alpha-helical domain

SPOB_ab PF14682.1 Sporulation initiation phospho-transferase B, C-terminal

SPOC PF07744.8 SPOC domain

SpoIIAA-like PF11964.3 SpoIIAA-like

SpoIID PF08486.5 Stage II sporulation protein

SpoIIE PF07228.7 Stage II sporulation protein E (SpoIIE)

SpoIIIAC PF06686.6 Stage III sporulation protein AC/AD protein family

SpoIIIAH PF12685.2 SpoIIIAH-like protein

SpoIIID PF12116.3 Stage III sporulation protein D

SpoIIP PF07454.6 Stage II sporulation protein P (SpoIIP)

SpoIISA_toxin PF14171.1 Toxin SpoIISA, type II toxin-antitoxin system

SpoIISB_antitox PF14185.1 Antitoxin SpoIISB, type II toxin-antitoxin system

Spond_N PF06468.8 Spondin_N

SpoOE-like PF09388.5 Spo0E like sporulation regulatory protein

SPOR PF05036.8 Sporulation related domain

Spore-coat_CotD PF11122.3 Inner spore coat protein D

Spore-coat_CotZ PF10612.4 Spore coat protein Z

Spore_coat_CotO PF14153.1 Spore coat protein CotO

Spore_GerAC PF05504.6 Spore germination B3/ GerAC like, C-terminal

Spore_GerQ PF09671.5 Spore coat protein (Spore_GerQ)

Spore_III_AB PF09548.5 Stage III sporulation protein AB (spore_III_AB)

Spore_III_AE PF09546.5 Stage III sporulation protein AE (spore_III_AE)

Spore_III_AF PF09581.5 Stage III sporulation protein AF (Spore_III_AF)

Spore_II_R PF09551.5 Stage II sporulation protein R (spore_II_R)

Spore_IV_A PF09547.5 Stage IV sporulation protein A (spore_IV_A)

Spore_permease PF03845.8 Spore germination protein

Spore_SspJ PF09575.5 Small spore protein J (Spore_SspJ)

Spore_YabQ PF09578.5 Spore cortex protein YabQ (Spore_YabQ)

Spore_YhaL PF14147.1 Sporulation protein YhaL

Spore_YhcN_YlaJ PF09580.5 Sporulation lipoprotein YhcN/YlaJ (Spore_YhcN_YlaJ)

Spore_YpjB PF09577.5 Sporulation protein YpjB (SpoYpjB)

Spore_YtfJ PF09579.5 Sporulation protein YtfJ (Spore_YtfJ)

Spore_YtrH PF14034.1 Sporulation protein YtrH

Spore_YunB PF09560.5 Sporulation protein YunB (Spo_YunB)

Sporozoite_P67 PF05642.6 Sporozoite P67 surface antigen

SporV_AA PF12164.3 Stage V sporulation protein AA

Spot_14 PF07084.7 Thyroid hormone-inducible hepatic protein Spot 14

SPOUT_MTase PF02590.12 Predicted SPOUT methyltransferase

SPOUT_MTase_2 PF14419.1 AF2226-like SPOUT RNA Methylase fused to THUMP

SpoU_methylase PF00588.14 SpoU rRNA Methylase family

SpoU_methylas_C PF12105.3 SpoU, rRNA methylase, C-terminal

SpoU_sub_bind PF08032.7 RNA 2'-O ribose methyltransferase substrate binding

SpoV PF08183.6 Stage V sporulation protein family

SpoVA PF03862.8 SpoVA protein

SpoVAB PF13782.1 Stage V sporulation protein AB

SpoVAD PF07451.6 Stage V sporulation protein AD (SpoVAD)

SpoVAE PF14097.1 Stage V sporulation protein AE1

SpoVG PF04026.7 SpoVG

SpoVIF PF14069.1 Stage VI sporulation protein F

SpoVR PF04293.8 SpoVR like protein

SpoVS PF04232.7 Stage V sporulation protein S (SpoVS)

Spp-24 PF07448.6 Secreted phosphoprotein 24 (Spp-24)

SPR1 PF15356.1 Psoriasis susceptibility locus 2

SprA-related PF12118.3 SprA-related family

SprA_N PF14349.1 Motility related/secretion protein

SprB PF13573.1 SprB repeat

Sprouty PF05210.8 Sprouty protein (Spry)

SPRR2 PF14820.1 Small proline-rich 2

SprT-like PF10263.4 SprT-like family

SPRY PF00622.23 SPRY domain

SPT16 PF08644.6 FACT complex subunit (SPT16/CDC68)

SPT2 PF08243.6 SPT2 chromatin protein

Spt20 PF12090.3 Spt20 family

Spt4 PF06093.8 Spt4/RpoE2 zinc finger

Spt5-NGN PF03439.8 Early transcription elongation factor of RNA pol II, NGN section

Spt5_N PF11942.3 Spt5 transcription elongation factor, acidic N-terminal

SPT6_acidic PF14632.1 Acidic N-terminal SPT6

Spuma_A9PTase PF03539.9 Spumavirus aspartic protease (A9)

SpvB PF03534.8 Salmonella virulence plasmid 65kDa B protein

SpvD PF05563.7 Salmonella plasmid virulence protein SpvD

SPW PF03779.9 SPW repeat

SPX PF03105.14 SPX domain

Spy1 PF11357.3 Cell cycle regulatory protein

SP_C-Propep PF08999.5 Surfactant protein C, N terminal propeptide

SQS_PSY PF00494.14 Squalene/phytoene synthase

Squash PF00299.13 Squash family serine protease inhibitor

SR-25 PF10500.4 Nuclear RNA-splicing-associated protein

SRA1 PF07304.6 Steroid receptor RNA activator (SRA1)

SRC-1 PF08832.5 Steroid receptor coactivator

SRCR PF00530.13 Scavenger receptor cysteine-rich domain

SRCR_2 PF15494.1 Scavenger receptor cysteine-rich domain

Sre PF03125.13 C. elegans Sre G protein-coupled chemoreceptor

SRF-TF PF00319.13 SRF-type transcription factor (DNA-binding and dimerisation domain)

SrfB PF07520.6 Virulence factor SrfB

Srg PF02118.16 Srg family chemoreceptor

SRI PF08236.6 SRI (Set2 Rpb1 interacting) domain

SRP-alpha_N PF04086.8 Signal recognition particle, alpha subunit, N-terminal

SRP14 PF02290.10 Signal recognition particle 14kD protein

SRP19 PF01922.12 SRP19 protein

SRP1_TIP1 PF00660.12 Seripauperin and TIP1 family

SRP40_C PF05022.7 SRP40, C-terminal domain

SRP54 PF00448.17 SRP54-type protein, GTPase domain

SRP54_N PF02881.14 SRP54-type protein, helical bundle domain

SRP72 PF08492.7 SRP72 RNA-binding domain

SRP9-21 PF05486.7 Signal recognition particle 9 kDa protein (SRP9)

SRPRB PF09439.5 Signal recognition particle receptor beta subunit

SRP_SPB PF02978.14 Signal peptide binding domain

SRR PF07709.6 Seven Residue Repeat

SRR1 PF07985.7 SRR1

SRRM_C PF15230.1 Serine/arginine repetitive matrix protein C-terminus

SRX PF09201.5 SRX

SSB PF00436.20 Single-strand binding protein family

SSDP PF04503.8 Single-stranded DNA binding protein, SSDP

SseB PF07179.7 SseB protein N-terminal domain

SseB_C PF14581.1 SseB protein C-terminal domain

SseC PF04888.7 Secretion system effector C (SseC) like family

SSF PF00474.12 Sodium:solute symporter family

SSFA2_C PF14723.1 Sperm-specific antigen 2 C-terminus

SsgA PF04686.7 Streptomyces sporulation and cell division protein, SsgA

SSI PF00720.12 Subtilisin inhibitor-like

Ssl1 PF04056.9 Ssl1-like

SSP160 PF06933.6 Special lobe-specific silk protein SSP160

SspB PF04386.8 Stringent starvation protein B

SspH PF08141.7 Small acid-soluble spore protein H family

SSPI PF14098.1 Small, acid-soluble spore protein I

SspK PF08176.7 Small acid-soluble spore protein K family

SspN PF08177.6 Small acid-soluble spore protein N family

SspO PF08175.7 Small acid-soluble spore protein O family

SspP PF08179.7 Small acid-soluble spore protein P family

SSrecog PF03531.9 Structure-specific recognition protein (SSRP1)

Ssu72 PF04722.8 Ssu72-like protein

SSURE PF11966.3 Fibronectin-binding repeat

SSV1_ORF_D-335 PF07935.6 ORF D-335-like protein

SSXRD PF09514.5 SSXRD motif

SSXT PF05030.7 SSXT protein (N-terminal region)

ST7 PF04184.7 ST7 protein

STAG PF08514.6 STAG domain

Stanniocalcin PF03298.8 Stanniocalcin family

Staphopain_pro PF14731.1 Staphopain proregion

Staphostatin_A PF09022.5 Staphostatin A

Staphostatin_B PF09023.5 Staphostatin B

Staphylcoagulse PF04022.7 Staphylocoagulase repeat

Staphylokinase PF02821.11 Staphylokinase/Streptokinase family

Staph_haemo PF05480.6 Staphylococcus haemolytic protein

Stap_Strp_toxin PF01123.15 Staphylococcal/Streptococcal toxin, OB-fold domain

Stap_Strp_tox_C PF02876.12 Staphylococcal/Streptococcal toxin, beta-grasp domain

START PF01852.14 START domain

STAS PF01740.16 STAS domain

STAS_2 PF13466.1 STAS domain

STAT1_TAZ2bind PF12162.3 STAT1 TAZ2 binding domain

STAT2_C PF12188.3 Signal transducer and activator of transcription 2 C terminal

STAT6_C PF14596.1 STAT6 C-terminal

Statherin PF03875.8 Statherin

Stathmin PF00836.14 Stathmin family

STAT_alpha PF01017.15 STAT protein, all-alpha domain

STAT_bind PF02864.10 STAT protein, DNA binding domain

STAT_int PF02865.12 STAT protein, protein interaction domain

Staygreen PF12638.2 Staygreen protein

Stb3 PF10330.4 Putative Sin3 binding protein

StbA PF06406.6 StbA protein

STb_secrete PF09075.5 Heat-stable enterotoxin B, secretory

Stc1 PF12898.2 Stc1 domain

STE PF02200.11 STE like transcription factor

STE2 PF02116.10 Fungal pheromone mating factor STE2 GPCR

STE3 PF02076.10 Pheromone A receptor

Ste5 PF11610.3 Scaffold protein Ste5-Fus5 binding region

Ste50p-SAM PF09235.5 Ste50p, sterile alpha motif

Ste5_C PF12194.3 Protein kinase Fus3-binding

Sterile PF03015.14 Male sterility protein

Steroid_dh PF02544.11 3-oxo-5-alpha-steroid 4-dehydrogenase

Sterol-sensing PF12349.3 Sterol-sensing domain of SREBP cleavage-activation

Sterol_MT_C PF08498.5 Sterol methyltransferase C-terminal

Stig1 PF04885.8 Stigma-specific protein, Stig1

STIL_N PF15253.1 SCL-interrupting locus protein N-terminus

Stimulus_sens_1 PF13756.1 Stimulus-sensing domain

Stirrup PF09061.1 Stirrup

Stk19 PF10494.4 Serine-threonine protein kinase 19

Stm1_N PF09598.5 Stm1

STN PF07660.9 Secretin and TonB N terminus short domain

Stn1 PF10451.4 Telomere regulation protein Stn1

STN1_2 PF09170.5 CST, Suppressor of cdc thirteen homolog, complex subunit STN1

Stn1_C PF12659.2 Telomere capping C-terminal wHTH

Stomoxyn PF11585.3 Insect antimicrobial peptide, stomoxyn

Stonin2_N PF12016.3 Stonin 2

STOP PF05217.7 STOP protein

Stork_head PF10264.4 Winged helix Storkhead-box1 domain

Strabismus PF06638.6 Strabismus protein

Streptin-Immun PF11083.3 Lantibiotic streptin immunity protein

Strep_67kDa_ant PF06100.6 Streptococcal 67 kDa myosin-cross-reactive antigen like family

Strep_his_triad PF04270.8 Streptococcal histidine triad protein

Strep_pep PF14404.1 Ribosomally synthesized peptide in Streptomyces species

Strep_SA_rep PF06696.6 Streptococcal surface antigen repeat

Stress-antifung PF01657.12 Salt stress response/antifungal

Striatin PF08232.7 Striatin family

Strumpellin PF10266.4 Hereditary spastic paraplegia protein strumpellin

Str_synth PF03088.11 Strictosidine synthase

STT3 PF02516.9 Oligosaccharyl transferase STT3 subunit

SUA5 PF03481.8 Putative GTP-binding controlling metal-binding

Sua5_yciO_yrdC PF01300.13 Telomere recombination

Subtilosin_A PF11420.3 Bacteriocin subtilosin A

Succ_CoA_lig PF13607.1 Succinyl-CoA ligase like flavodoxin domain

Succ_DH_flav_C PF02910.15 Fumarate reductase flavoprotein C-term

Sucrose_synth PF00862.14 Sucrose synthase

Suc_Fer-like PF06999.7 Sucrase/ferredoxin-like

SUD-M PF11633.3 Single-stranded poly(A) binding domain

Suf PF05843.9 Suppressor of forked protein (Suf)

SufE PF02657.10 Fe-S metabolism associated domain

SUFU PF05076.8 Suppressor of fused protein (SUFU)

SUFU_C PF12470.3 Suppressor of Fused Gli/Ci N terminal binding domain

Sugar-bind PF04198.8 Putative sugar-binding domain

Sugarporin_N PF11471.3 Maltoporin periplasmic N-terminal extension

Sugar_tr PF00083.19 Sugar (and other) transporter

Sugar_transport PF06800.7 Sugar transport protein

SUI1 PF01253.17 Translation initiation factor SUI1

SUKH-3 PF14433.1 SUKH-3 immunity protein

SUKH-4 PF14435.1 SUKH-4 immunity protein

SUKH_5 PF14567.1 SMI1-KNR4 cell-wall

SUKH_6 PF14568.1 SMI1-KNR4 cell-wall

SulA PF03846.9 Cell division inhibitor SulA

Sulfakinin PF08257.6 Sulfakinin family

Sulfatase PF00884.18 Sulfatase

Sulfatase_C PF14707.1 C-terminal region of aryl-sulfatase

Sulfate_transp PF00916.15 Sulfate transporter family

Sulfate_tra_GLY PF13792.1 Sulfate transporter N-terminal domain with GLY motif

Sulfolobus_pRN PF05584.6 Sulfolobus plasmid regulatory protein

Sulfotransfer_1 PF00685.22 Sulfotransferase domain

Sulfotransfer_2 PF03567.9 Sulfotransferase family

Sulfotransfer_3 PF13469.1 Sulfotransferase family

Sulf_coat_C PF12193.3 Sulfolobus virus coat protein C terminal

Sulf_transp PF04143.9 Sulphur transport

Sulphotransf PF09037.5 Stf0 sulphotransferase

SUN PF03856.8 Beta-glucosidase (SUN family)

Suppressor_APC PF11414.3 Adenomatous polyposis coli tumour suppressor protein

Suppressor_P21 PF11479.3 RNA silencing suppressor P21

SUR7 PF06687.7 SUR7/PalI family

SurA_N PF09312.6 SurA N-terminal domain

SurA_N_2 PF13623.1 SurA N-terminal domain

SurA_N_3 PF13624.1 SurA N-terminal domain

SurE PF01975.12 Survival protein SurE

SURF1 PF02104.10 SURF1 family

SURF2 PF05477.6 Surfeit locus protein 2 (SURF2)

SURF4 PF02077.10 SURF4 family

SURF6 PF04935.7 Surfeit locus protein 6

Surface_Ag_2 PF01617.12 Surface antigen

Surface_antigen PF11054.3 Sporozoite TA4 surface antigen

Surfac_D-trimer PF09006.6 Lung surfactant protein D coiled-coil trimerisation

Surf_Ag_VNR PF07244.10 Surface antigen variable number repeat

SURNod19 PF07712.7 Stress up-regulated Nod 19

Surp PF01805.15 Surp module

SusD PF07980.6 SusD family

SusD-like PF12741.2 Susd and RagB outer membrane lipoprotein

SusD-like_2 PF12771.2 Starch-binding associating with outer membrane

SusD-like_3 PF14322.1 Starch-binding associating with outer membrane

SusE PF14292.1 SusE outer membrane protein

Sushi PF00084.15 Sushi domain (SCR repeat)

Sushi_2 PF09014.5 Beta-2-glycoprotein-1 fifth domain

SUV3_C PF12513.3 Mitochondrial degradasome RNA helicase subunit C terminal

SUZ PF12752.2 SUZ domain

SUZ-C PF12901.2 SUZ-C motif

SVA PF05326.6 Seminal vesicle autoantigen (SVA)

Svf1 PF08622.5 Svf1-like

SVM_signal PF12113.3 SVM protein signal sequence

SVS_QK PF10578.4 Seminal vesicle protein repeat

SVWC PF15430.1 Single domain von Willebrand factor type C

SWI-SNF_Ssr4 PF08549.5 Fungal domain of unknown function (DUF1750)

Swi3 PF07962.7 Replication Fork Protection Component Swi3

Swi5 PF07061.6 Swi5

SWIB PF02201.13 SWIB/MDM2 domain

SWIM PF04434.12 SWIM zinc finger

SWIRM PF04433.12 SWIRM domain

SWM_repeat PF13753.1 Putative flagellar system-associated repeat

Sybindin PF04099.7 Sybindin-like family

SYCE1 PF15233.1 Synaptonemal complex central element protein 1

Syd PF07348.7 Syd protein (SUKH-2)

SYF2 PF08231.7 SYF2 splicing factor

Syja_N PF02383.13 SacI homology domain

SymE_toxin PF08845.5 Toxin SymE, type I toxin-antitoxin system

Symplekin_C PF12295.3 Symplekin tight junction protein C terminal

Synaphin PF05835.7 Synaphin protein

Synapsin PF02078.11 Synapsin, N-terminal domain

Synapsin_C PF02750.9 Synapsin, ATP binding domain

Synapsin_N PF10581.4 Synapsin N-terminal

Synaptobrevin PF00957.16 Synaptobrevin

Synaptonemal_3 PF15191.1 Synaptonemal complex central element protein 3

Syncollin PF15138.1 Syncollin

Syndecan PF01034.15 Syndecan domain

SynMuv_product PF06047.6 Ras-induced vulval development antagonist

Syntaphilin PF15290.1 Golgi-localised syntaxin-1-binding clamp

Syntaxin PF00804.20 Syntaxin

Syntaxin-18_N PF10496.4 SNARE-complex protein Syntaxin-18 N-terminus

Syntaxin-6_N PF09177.6 Syntaxin 6, N-terminal

Syntaxin_2 PF14523.1 Syntaxin-like protein

Synthase_beta PF11421.3 ATP synthase F1 beta subunit

Synuclein PF01387.12 Synuclein

SyrA PF11089.3 Exopolysaccharide production repressor

SYS1 PF09801.4 Integral membrane protein S linking to the trans Golgi network

S_100 PF01023.14 S-100/ICaBP type calcium binding domain

S_layer_C PF05124.7 S-layer like family, C-terminal region

S_layer_N PF05123.7 S-layer like family, N-terminal region

S_locus_glycop PF00954.15 S-locus glycoprotein family

S_tail_recep_bd PF14928.1 Short tail fibre protein receptor-binding domain

s48_45 PF07422.8 Sexual stage antigen s48/45 domain

ssDNA-exonuc_C PF10141.4 Single-strand DNA-specific exonuclease, C terminal domain

stn_TNFRSF12A PF12191.3 Tumour necrosis factor receptor stn_TNFRSF12A_TNFR domain