| Ryanodine receptor 3 (RYR-3) (RyR3) (Brain ryanodine receptor-calcium release channel) (Brain-type ryanodine receptor) (Type 3 ryanodine receptor) | RYR3 HBRR | Q15413 | 1 |
| RYK protein (Fragment) | RYK | Q8WTZ8 | 1 |
| S-acyl fatty acid synthase thioesterase, medium chain (EC 3.1.2.14) (Augmented in rheumatoid arthritis 1) (AURA1) (Oleoyl-ACP hydrolase) (Thioesterase II) (Thioesterase domain-containing protein 1) | OLAH THEDC1 | Q9NV23 | 1 |
| S-adenosylmethionine synthase isoform type-1 (AdoMet synthase 1) (EC 2.5.1.6) (Methionine adenosyltransferase 1) (MAT 1) (Methionine adenosyltransferase I/III) (MAT-I/III) | MAT1A AMS1 MATA1 | Q00266 | 1 |
| S100P-binding protein (S100P-binding protein Riken) | S100PBP S100PBPR | Q96BU1 | 1 |
| Sacsin (DnaJ homolog subfamily C member 29) (DNAJC29) | SACS KIAA0730 | Q9NZJ4 | 1 |
| Saitohin | STH | Q8IWL8 | 1 |
| Salivary acidic proline-rich phosphoprotein 1/2 (Db-s) (PRP-1/PRP-2) (Parotid acidic protein) (Pa) (Parotid double-band protein) (Parotid isoelectric focusing variant protein) (PIF-S) (Parotid proline-rich protein 1/2) (Pr1/Pr2) (Protein C) [Cleaved into: Salivary acidic proline-rich phosphoprotein 1/2; Salivary acidic proline-rich phosphoprotein 3/4 (Db-F) (PIF-F) (PRP-3/PRP-4) (Protein A); Peptide P-C] | PRH1; PRH2 | P02810 | 1 |
| SALL3 protein | SALL3 | A9JR48 | 1 |
| SAM and SH3 domain-containing protein 3 (SH3 protein expressed in lymphocytes homolog) | SASH3 CXorf9 SLY | O75995 | 1 |
| SAM domain-containing protein SAMSN-1 (Hematopoietic adaptor containing SH3 and SAM domains 1) (Nash1) (SAM domain, SH3 domain and nuclear localization signals protein 1) (SH3-SAM adaptor protein) | SAMSN1 HACS1 | Q9NSI8 | 1 |
| SAM-dependent methyltransferase (cDNA FLJ25072 fis, clone CBL05716) | 0 | Q969Z2 | 1 |
| SAP30-binding protein (Transcriptional regulator protein HCNGP) | SAP30BP HCNGP HTRG HTRP | Q9UHR5 | 1 |
| Sarcosine dehydrogenase, mitochondrial (SarDH) (EC 1.5.8.3) (BPR-2) | SARDH DMGDHL1 | Q9UL12 | 1 |
| SAT protein (Spermidine/spermine N1-acetyltransferase, isoform CRA_b) (cDNA, FLJ92448, Homo sapiens spermidine/spermine N1-acetyltransferase (SAT), mRNA) (Fragment) | SAT hCG_17885 | Q6ICU9 | 1 |
| SCAN-related protein RAZ1 (Fragment) | RAZ1 | Q9NZG6 | 1 |
| Scavenger receptor cysteine-rich domain-containing group B protein (S4-SRCRB) | SRCRB4D | Q8WTU2 | 1 |
| Scavenger receptor cysteine-rich type 1 protein M130 (Hemoglobin scavenger receptor) (CD antigen CD163) [Cleaved into: Soluble CD163 (sCD163)] | CD163 M130 | Q86VB7 | 1 |
| Schlafen family member 12 | SLFN12 | Q8IYM2 | 1 |
| Schlafen family member 13 | SLFN13 | Q68D06 | 1 |
| Schlafen-like protein 1 | SLFNL1 | Q499Z3 | 1 |
| Sciellin | SCEL | O95171 | 1 |
| Sclerostin | SOST UNQ2976/PRO7455/PRO7476 | Q9BQB4 | 1 |
| Sclerostin domain-containing protein 1 (Ectodermal BMP inhibitor) (Ectodin) (Uterine sensitization-associated gene 1 protein) (USAG-1) | SOSTDC1 USAG1 CDA019 | Q6X4U4 | 1 |
| Scm-like with four MBT domains protein 2 (Scm-like with 4 MBT domains protein 2) | SFMBT2 KIAA1617 | Q5VUG0 | 1 |
| SCUBE1 protein | SCUBE1 | Q86TI6 | 1 |
| SDS protein | 0 | Q8WW81 | 1 |
| Secernin-3 | SCRN3 | Q0VDG4 | 1 |
| Secretagogin | SCGN SECRET | O76038 | 1 |
| Secreted frizzled-related protein 4 (sFRP-4) (Frizzled protein, human endometrium) (FrpHE) | SFRP4 FRPHE | Q6FHJ7 | 1 |
| Secreted Ly-6/uPAR-related protein 1 (SLURP-1) (ARS component B) (ARS(component B)-81/S) (Anti-neoplastic urinary protein) (ANUP) | SLURP1 ARS | P55000 | 1 |
| Secretoglobin family 1D member 1 (Lipophilin-A) | SCGB1D1 LIPHA LPNA | O95968 | 1 |
| Securin-2 (Pituitary tumor-transforming gene 2 protein) | PTTG2 | Q9NZH5 | 1 |
| Selenoprotein K (SelK) | SELK HSPC030 HSPC297 | Q9Y6D0 | 1 |
| Selenoprotein P (SeP) | SEPP1 SELP | P49908 | 1 |
| SELT protein (Selenoprotein T) (cDNA FLJ90525 fis, clone NT2RP4001001, highly similar to Selenoprotein T) | SELT hCG_20913 | Q6IAK0 | 1 |
| Semaphorin-3B (Sema A(V)) (Semaphorin-V) (Sema V) | SEMA3B SEMA5 SEMAA | Q13214 | 1 |
| Semaphorin-4A (Semaphorin-B) (Sema B) | SEMA4A SEMAB SEMB UNQ783/PRO1317 | Q9H3S1 | 1 |
| Semaphorin-4B | SEMA4B | J3KNP4 | 1 |
| Semaphorin-4F (Semaphorin-M) (Sema M) (Semaphorin-W) (Sema W) | SEMA4F SEMAM SEMAW | O95754 | 1 |
| Semaphorin-5A (Semaphorin-F) (Sema F) | SEMA5A SEMAF | Q13591 | 1 |
| Semaphorin-6C (Semaphorin-Y) (Sema Y) | SEMA6C KIAA1869 SEMAY | Q9H3T2 | 1 |
| Semaphorin-7A (CDw108) (JMH blood group antigen) (John-Milton-Hargen human blood group Ag) (Semaphorin-K1) (Sema K1) (Semaphorin-L) (Sema L) (CD antigen CD108) | SEMA7A CD108 SEMAL | O75326 | 1 |
| Semenogelin-2 (Semenogelin II) (SGII) | SEMG2 | Q02383 | 1 |
| Sentrin-specific protease 5 (EC 3.4.22.68) (Sentrin/SUMO-specific protease SENP5) | SENP5 FKSG45 | Q96HI0 | 1 |
| Sentrin-specific protease 7 (EC 3.4.22.68) (SUMO-1-specific protease 2) (Sentrin/SUMO-specific protease SENP7) | SENP7 KIAA1707 SSP2 SUSP2 | Q9BQF6 | 1 |
| Seprase (EC 3.4.21.-) (170 kDa melanoma membrane-bound gelatinase) (Fibroblast activation protein alpha) (Integral membrane serine protease) | FAP | Q12884 | 1 |
| Septin 6 (Septin 6, isoform CRA_d) (cDNA FLJ58747, highly similar to Septin-6) | SEPT6 hCG_23191 | Q541S4 | 1 |
| Septin-12 | 41529 | Q8IYM1 | 1 |
| Septin-8 | SEPT8 KIAA0202 | Q92599 | 1 |
| SERINC2 protein (Fragment) | SERINC2 | Q96IM8 | 1 |
| Serine incorporator 5 | SERINC5 C5orf12 | Q86VE9 | 1 |
| Serine palmitoyltransferase small subunit B (Protein ADMP) (Small subunit of serine palmitoyltransferase B) (ssSPTb) | SPTSSB ADMP C3orf57 SSSPTB | Q8NFR3 | 1 |
| Serine protease 23 (EC 3.4.21.-) (Putative secreted protein Zsig13) | PRSS23 ZSIG13 UNQ270/PRO307 | O95084 | 1 |
| Serine protease 38 (EC 3.4.21.-) (Marapsin-2) | PRSS38 MPN2 | A1L453 | 1 |
| Serine protease 42 (EC 3.4.21.-) (Testis serine protease 2) | PRSS42 TESSP2 | Q7Z5A4 | 1 |
| Serine protease inhibitor Kazal-type 2 (Acrosin-trypsin inhibitor) (Epididymis tissue protein Li 172) (HUSI-II) | SPINK2 | P20155 | 1 |
| Serine racemase (EC 4.3.1.17) (EC 4.3.1.18) (EC 5.1.1.18) (D-serine ammonia-lyase) (D-serine dehydratase) (L-serine ammonia-lyase) (L-serine dehydratase) | SRR | Q9GZT4 | 1 |
| Serine/arginine repetitive matrix protein 4 (Medulloblastoma antigen MU-MB-2.76) (Neural-specific serine/arginine repetitive splicing factor of 100 kDa) (Neural-specific SR-related protein of 100 kDa) (nSR100) | SRRM4 KIAA1853 | A7MD48 | 1 |
| Serine/threonine kinase 24 (STE20 homolog, yeast) | STK24 | Q6P0Y1 | 1 |
| Serine/threonine-protein kinase 31 (EC 2.7.11.1) (Serine/threonine-protein kinase NYD-SPK) (Sugen kinase 396) (SgK396) | STK31 SGK396 | Q9BXU1 | 1 |
| Serine/threonine-protein kinase 32A (EC 2.7.11.1) (Yet another novel kinase 1) | STK32A YANK1 | Q8WU08 | 1 |
| Serine/threonine-protein kinase Chk2 (EC 2.7.11.1) (CHK2 checkpoint homolog) (Cds1 homolog) (Hucds1) (hCds1) (Checkpoint kinase 2) | CHEK2 CDS1 CHK2 RAD53 | O96017 | 1 |
| Serine/threonine-protein kinase MARK2 (EC 2.7.11.1) (EC 2.7.11.26) (ELKL motif kinase 1) (EMK-1) (MAP/microtubule affinity-regulating kinase 2) (PAR1 homolog) (PAR1 homolog b) (Par-1b) (Par1b) | MARK2 EMK1 | Q7KZI7 | 1 |
| Serine/threonine-protein kinase Nek4 (EC 2.7.11.1) (Never in mitosis A-related kinase 4) (NimA-related protein kinase 4) (Serine/threonine-protein kinase 2) (Serine/threonine-protein kinase NRK2) | NEK4 STK2 | P51957 | 1 |
| Serine/threonine-protein kinase Nek9 (EC 2.7.11.1) (Nercc1 kinase) (Never in mitosis A-related kinase 9) (NimA-related protein kinase 9) (NimA-related kinase 8) (Nek8) | NEK9 KIAA1995 NEK8 NERCC | Q8TD19 | 1 |
| Serine/threonine-protein kinase PAK 7 (EC 2.7.11.1) (p21-activated kinase 5) (PAK-5) (p21-activated kinase 7) (PAK-7) | PAK7 KIAA1264 PAK5 | Q9P286 | 1 |
| Serine/threonine-protein kinase PDIK1L (EC 2.7.11.1) (PDLIM1-interacting kinase 1-like) | PDIK1L CLIK1L | Q8N165 | 1 |
| Serine/threonine-protein kinase pim-2 (EC 2.7.11.1) (Pim-2h) | PIM2 | Q9P1W9 | 1 |
| Serine/threonine-protein kinase PLK2 (EC 2.7.11.21) (Polo-like kinase 2) (PLK-2) (hPlk2) (Serine/threonine-protein kinase SNK) (hSNK) (Serum-inducible kinase) | PLK2 SNK | Q9NYY3 | 1 |
| Serine/threonine-protein kinase PLK3 (EC 2.7.11.21) (Cytokine-inducible serine/threonine-protein kinase) (FGF-inducible kinase) (Polo-like kinase 3) (PLK-3) (Proliferation-related kinase) | PLK3 CNK FNK PRK | Q9H4B4 | 1 |
| Serine/threonine-protein kinase PLK4 (EC 2.7.11.21) (Polo-like kinase 4) (PLK-4) (Serine/threonine-protein kinase 18) (Serine/threonine-protein kinase Sak) | PLK4 SAK STK18 | O00444 | 1 |
| Serine/threonine-protein kinase RIO1 (EC 2.7.11.1) (RIO kinase 1) | RIOK1 | Q9BRS2 | 1 |
| Serine/threonine-protein kinase Sgk2 (EC 2.7.11.1) (Serum/glucocorticoid-regulated kinase 2) | SGK2 | Q9HBY8 | 1 |
| Serine/threonine-protein kinase SIK2 (EC 2.7.11.1) (Qin-induced kinase) (Salt-inducible kinase 2) (SIK-2) (Serine/threonine-protein kinase SNF1-like kinase 2) | SIK2 KIAA0781 QIK SNF1LK2 | Q9H0K1 | 1 |
| Serine/threonine-protein kinase TNNI3K (EC 2.7.11.1) (Cardiac ankyrin repeat kinase) (Cardiac troponin I-interacting kinase) (TNNI3-interacting kinase) | TNNI3K CARK | Q59H18 | 1 |
| Serine/threonine-protein kinase WNK2 | WNK2 | F8W9F9 | 1 |
| Serine/threonine-protein kinase/endoribonuclease IRE2 (Endoplasmic reticulum-to-nucleus signaling 2) (Inositol-requiring protein 2) (hIRE2p) (Ire1-beta) (IRE1b) [Includes: Serine/threonine-protein kinase (EC 2.7.11.1); Endoribonuclease (EC 3.1.26.-)] | ERN2 IRE2 | Q76MJ5 | 1 |
| Serine/threonine-protein phosphatase (EC 3.1.3.16) | PPP2CA hCG_16586 | B3KUN1 | 1 |
| Serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B gamma isoform (IMYPNO1) (PP2A subunit B isoform B55-gamma) (PP2A subunit B isoform PR55-gamma) (PP2A subunit B isoform R2-gamma) (PP2A subunit B isoform gamma) | PPP2R2C | Q9Y2T4 | 1 |
| Serine/threonine-protein phosphatase 5 (PP5) (EC 3.1.3.16) (Protein phosphatase T) (PP-T) (PPT) | PPP5C PPP5 | P53041 | 1 |
| Serine/threonine-protein phosphatase 6 regulatory ankyrin repeat subunit C (PP6-ARS-C) (Serine/threonine-protein phosphatase 6 regulatory subunit ARS-C) (Ankyrin repeat domain-containing protein 52) | ANKRD52 | Q8NB46 | 1 |
| Serotransferrin (Transferrin) (Beta-1 metal-binding globulin) (Siderophilin) | TF PRO1400 | P02787 | 1 |
| Serpin A11 | SERPINA11 | Q86U17 | 1 |
| Serpin A12 (OL-64) (Visceral adipose tissue-derived serine protease inhibitor) (Vaspin) (Visceral adipose-specific serpin) | SERPINA12 | Q8IW75 | 1 |
| Serpin B10 (Bomapin) (Peptidase inhibitor 10) (PI-10) | SERPINB10 PI10 | P48595 | 1 |
| Serpin B4 (Leupin) (Peptidase inhibitor 11) (PI-11) (Squamous cell carcinoma antigen 2) (SCCA-2) | SERPINB4 PI11 SCCA2 | P48594 | 1 |
| Serpin B8 (Cytoplasmic antiproteinase 2) (CAP-2) (CAP2) (Peptidase inhibitor 8) (PI-8) | SERPINB8 PI8 | P50452 | 1 |
| Serpin I2 (Myoepithelium-derived serine protease inhibitor) (Pancpin) (Pancreas-specific protein TSA2004) (Peptidase inhibitor 14) (PI-14) | SERPINI2 MEPI PI14 | O75830 | 1 |
| SERTA domain containing 1 variant (SERTA domain containing 1, isoform CRA_a) (cDNA FLJ90171 fis, clone MAMMA1000403, highly similar to SERTA domain-containing protein 1) (Fragment) | SERTAD1 hCG_1777718 | Q53GC0 | 1 |
| Serum amyloid A-1 protein (SAA) [Cleaved into: Amyloid protein A (Amyloid fibril protein AA); Serum amyloid protein A(2-104); Serum amyloid protein A(3-104); Serum amyloid protein A(2-103); Serum amyloid protein A(2-102); Serum amyloid protein A(4-101)] | SAA1 | P0DJI8 | 1 |
| Serum deprivation-response protein (Cavin-2) (PS-p68) (Phosphatidylserine-binding protein) | SDPR | O95810 | 1 |
| Serum paraoxonase/arylesterase 1 (PON 1) (EC 3.1.1.2) (EC 3.1.1.81) (EC 3.1.8.1) (Aromatic esterase 1) (A-esterase 1) (K-45) (Serum aryldialkylphosphatase 1) | PON1 PON | P27169 | 1 |
| Serum response factor-binding protein 1 (SRF-dependent transcription regulation-associated protein) (p49/STRAP) | SRFBP1 | Q8NEF9 | 1 |
| Sesquipedalian-2 (Ses2) (27 kDa inositol polyphosphate phosphatase interacting protein B) (IPIP27B) | FAM109B | Q6ICB4 | 1 |
| Sestrin-2 (Hi95) | SESN2 SEST2 | P58004 | 1 |
| Sestrin-3 | SESN3 SEST3 | P58005 | 1 |
| SET (SET translocation (Myeloid leukemia-associated), isoform CRA_a) (cDNA FLJ51749, highly similar to Protein SET) | SET hCG_40357 | Q5VXV3 | 1 |
| SET and MYND domain-containing protein 5 (EC 2.1.1.-) (Protein NN8-4AG) (Retinoic acid-induced protein 15) | SMYD5 RAI15 | Q6GMV2 | 1 |
| Seven in absentia homolog 3 (Siah-3) | SIAH3 | Q8IW03 | 1 |