| Ribosome maturation protein SBDS (Shwachman-Bodian-Diamond syndrome protein) | SBDS CGI-97 | Q9Y3A5 | 4 |
| RILP-like protein 1 (Rab-interacting lysosomal-like protein 1) | RILPL1 RLP1 | Q5EBL4 | 4 |
| RING finger and SPRY domain-containing protein 1 | RSPRY1 KIAA1972 UNQ328/PRO444 | Q96DX4 | 4 |
| RING finger protein 151 | RNF151 | Q2KHN1 | 4 |
| RING finger protein 186 | RNF186 | Q9NXI6 | 4 |
| RING finger protein 26 | RNF26 | Q9BY78 | 4 |
| RING finger protein 38 | RNF38 | Q9H0F5 | 4 |
| RING finger protein 44 | RNF44 KIAA1100 | Q7L0R7 | 4 |
| RNA binding protein S1 (RNA binding protein S1, serine-rich domain, isoform CRA_a) | RNPS1 rnps1 hCG_1989969 | D3DU92 | 4 |
| RNA methyltransferase-like protein 1 (EC 2.1.1.-) | RNMTL1 HC90 | Q9HC36 | 4 |
| RNA polymerase-associated protein CTR9 homolog (SH2 domain-binding protein 1) | CTR9 KIAA0155 SH2BP1 | Q6PD62 | 4 |
| RNA polymerase-associated protein RTF1 homolog | RTF1 KIAA0252 | Q92541 | 4 |
| RNA pseudouridylate synthase domain-containing protein 2 | RPUSD2 C15orf19 | Q8IZ73 | 4 |
| RNA-binding E3 ubiquitin-protein ligase MEX3C (EC 6.3.2.-) (RING finger and KH domain-containing protein 2) (RING finger protein 194) | MEX3C RKHD2 RNF194 BM-013 | Q5U5Q3 | 4 |
| RNA-binding motif, single-stranded-interacting protein 2 (Suppressor of CDC2 with RNA-binding motif 3) | RBMS2 SCR3 | Q15434 | 4 |
| RNA-binding protein 12 (RNA-binding motif protein 12) (SH3/WW domain anchor protein in the nucleus) (SWAN) | RBM12 KIAA0765 HRIHFB2091 | Q9NTZ6 | 4 |
| RNA-binding protein Nova-1 (Neuro-oncological ventral antigen 1) (Onconeural ventral antigen 1) (Paraneoplastic Ri antigen) (Ventral neuron-specific protein 1) | NOVA1 | P51513 | 4 |
| RNP24 protein (Transmembrane emp24 domain trafficking protein 2, isoform CRA_a) (cDNA, FLJ93436, Homo sapiens coated vesicle membrane protein (RNP24), mRNA) | RNP24 TMED2 hCG_1743563 | Q6FHT8 | 4 |
| Rootletin (Ciliary rootlet coiled-coil protein) | CROCC KIAA0445 | Q5TZA2 | 4 |
| Roquin-2 (Membrane-associated nucleic acid-binding protein) (RING finger and CCCH-type zinc finger domain-containing protein 2) (RING finger protein 164) | RC3H2 MNAB RNF164 | Q9HBD1 | 4 |
| RRP12-like protein | RRP12 KIAA0690 | Q5JTH9 | 4 |
| RWD domain-containing protein 2A | RWDD2A RWDD2 | Q9UIY3 | 4 |
| S1 RNA-binding domain-containing protein 1 | SRBD1 | Q8N5C6 | 4 |
| SAM and SH3 domain-containing protein 1 (Proline-glutamate repeat-containing protein) | SASH1 KIAA0790 PEPE1 | O94885 | 4 |
| SCAN domain-containing protein 3 (Protein ZNF452) (Transposon-derived Buster4 transposase-like protein) (Zinc finger BED domain-containing protein 9) | SCAND3 Buster4 KIAA1925 ZBED9 ZNF305P2 ZNF452 | Q6R2W3 | 4 |
| Scavenger receptor class B member 1 (SRB1) (CD36 and LIMPII analogous 1) (CLA-1) (CD36 antigen-like 1) (Collagen type I receptor, thrombospondin receptor-like 1) (SR-BI) (CD antigen CD36) | SCARB1 CD36L1 CLA1 | Q8WTV0 | 4 |
| Schlafen family member 5 | SLFN5 | Q08AF3 | 4 |
| SCL-interrupting locus protein (TAL-1-interrupting locus protein) | STIL SIL | Q15468 | 4 |
| SCY1-like protein 2 (Coated vesicle-associated kinase of 104 kDa) | SCYL2 CVAK104 KIAA1360 | Q6P3W7 | 4 |
| Sec1 family domain-containing protein 1 (SLY1 homolog) (Sly1p) (Syntaxin-binding protein 1-like 2) | SCFD1 C14orf163 KIAA0917 STXBP1L2 FKSG23 | Q8WVM8 | 4 |
| Secretory carrier-associated membrane protein 2 (Secretory carrier membrane protein 2) | SCAMP2 | O15127 | 4 |
| Segment polarity protein dishevelled homolog DVL-2 (Dishevelled-2) (DSH homolog 2) | DVL2 | O14641 | 4 |
| Selenoprotein M (SelM) | SELM SEPM | Q8WWX9 | 4 |
| Selenoprotein S (SelS) (VCP-interacting membrane protein) | VIMP SELS AD-015 SBBI8 | Q9BQE4 | 4 |
| Sentrin-specific protease 6 (EC 3.4.22.68) (SUMO-1-specific protease 1) (Sentrin/SUMO-specific protease SENP6) | SENP6 KIAA0797 SSP1 SUSP1 FKSG6 | Q9GZR1 | 4 |
| Separin (EC 3.4.22.49) (Caspase-like protein ESPL1) (Extra spindle poles-like 1 protein) (Separase) | ESPL1 ESP1 KIAA0165 | Q14674 | 4 |
| Serine protease 57 (EC 3.4.21.-) (Serine protease 1-like protein 1) | PRSS57 PRSSL1 UNQ782/PRO1599 | Q6UWY2 | 4 |
| Serine/threonine-protein kinase 17B (EC 2.7.11.1) (DAP kinase-related apoptosis-inducing protein kinase 2) | STK17B DRAK2 | O94768 | 4 |
| Serine/threonine-protein kinase 38 (EC 2.7.11.1) (NDR1 protein kinase) (Nuclear Dbf2-related kinase 1) | STK38 NDR1 | Q15208 | 4 |
| Serine/threonine-protein kinase 38-like (EC 2.7.11.1) (NDR2 protein kinase) (Nuclear Dbf2-related kinase 2) | STK38L KIAA0965 NDR2 | Q9Y2H1 | 4 |
| Serine/threonine-protein kinase A-Raf (EC 2.7.11.1) (Proto-oncogene A-Raf) (Proto-oncogene A-Raf-1) (Proto-oncogene Pks) | ARAF ARAF1 PKS PKS2 | P10398 | 4 |
| Serine/threonine-protein kinase BRSK1 (EC 2.7.11.1) (Brain-selective kinase 1) (EC 2.7.11.26) (Brain-specific serine/threonine-protein kinase 1) (BR serine/threonine-protein kinase 1) (Serine/threonine-protein kinase SAD-B) (Synapses of Amphids Defective homolog 1) (SAD1 homolog) (hSAD1) | BRSK1 KIAA1811 SAD1 SADB | Q8TDC3 | 4 |
| Serine/threonine-protein kinase BRSK2 (EC 2.7.11.1) (Brain-selective kinase 2) (EC 2.7.11.26) (Brain-specific serine/threonine-protein kinase 2) (BR serine/threonine-protein kinase 2) (Serine/threonine-protein kinase 29) (Serine/threonine-protein kinase SAD-A) | BRSK2 C11orf7 PEN11B SADA STK29 HUSSY-12 | Q8IWQ3 | 4 |
| Serine/threonine-protein kinase Chk1 (EC 2.7.11.1) (CHK1 checkpoint homolog) (Cell cycle checkpoint kinase) (Checkpoint kinase-1) | CHEK1 CHK1 | O14757 | 4 |
| Serine/threonine-protein kinase Nek3 (EC 2.7.11.1) (HSPK 36) (Never in mitosis A-related kinase 3) (NimA-related protein kinase 3) | NEK3 | P51956 | 4 |
| Serine/threonine-protein kinase NLK (EC 2.7.11.24) (Nemo-like kinase) (Protein LAK1) | NLK LAK1 | Q9UBE8 | 4 |
| Serine/threonine-protein kinase OSR1 (EC 2.7.11.1) (Oxidative stress-responsive 1 protein) | OXSR1 KIAA1101 OSR1 | O95747 | 4 |
| Serine/threonine-protein kinase pim-1 (EC 2.7.11.1) | PIM1 | P11309 | 4 |
| Serine/threonine-protein kinase receptor R3 (SKR3) (EC 2.7.11.30) (Activin receptor-like kinase 1) (ALK-1) (TGF-B superfamily receptor type I) (TSR-I) | ACVRL1 ACVRLK1 ALK1 | P37023 | 4 |
| Serine/threonine-protein kinase SBK1 (EC 2.7.11.1) (SH3-binding kinase 1) | SBK1 | Q52WX2 | 4 |
| Serine/threonine-protein kinase VRK1 (EC 2.7.11.1) (Vaccinia-related kinase 1) | VRK1 | Q99986 | 4 |
| Serine/threonine/tyrosine-interacting-like protein 1 (Dual specificity phosphatase inhibitor MK-STYX) (Dual specificity protein phosphatase 24) (Map kinase phosphatase-like protein MK-STYX) | STYXL1 DUSP24 MKSTYX | Q9Y6J8 | 4 |
| Serpin B9 (Cytoplasmic antiproteinase 3) (CAP-3) (CAP3) (Peptidase inhibitor 9) (PI-9) | SERPINB9 PI9 | P50453 | 4 |
| Serpin H1 (47 kDa heat shock protein) (Arsenic-transactivated protein 3) (AsTP3) (Cell proliferation-inducing gene 14 protein) (Collagen-binding protein) (Colligin) (Rheumatoid arthritis-related antigen RA-A47) | SERPINH1 CBP1 CBP2 HSP47 SERPINH2 PIG14 | P50454 | 4 |
| Serum albumin | ALB GIG20 GIG42 PRO0903 PRO1708 PRO2044 PRO2619 PRO2675 UNQ696/PRO1341 | P02768 | 4 |
| Serum amyloid A-4 protein (Constitutively expressed serum amyloid A protein) (C-SAA) | SAA4 CSAA | P35542 | 4 |
| Serum paraoxonase/arylesterase 2 (PON 2) (EC 3.1.1.2) (EC 3.1.1.81) (Aromatic esterase 2) (A-esterase 2) (Serum aryldialkylphosphatase 2) | PON2 | Q15165 | 4 |
| SET domain-containing protein 5 | SETD5 KIAA1757 | Q9C0A6 | 4 |
| Sex comb on midleg-like protein 2 | SCML2 | Q9UQR0 | 4 |
| SF3A2 protein (Fragment) | SF3A2 | Q05DF2 | 4 |
| SH3 and multiple ankyrin repeat domains protein 2 (Shank2) (Cortactin-binding protein 1) (CortBP1) (Proline-rich synapse-associated protein 1) | SHANK2 CORTBP1 KIAA1022 PROSAP1 | Q9UPX8 | 4 |
| SH3 domain GRB2-like 1 (SH3-domain GRB2-like 1) (SH3-domain GRB2-like 1, isoform CRA_b) (SH3GL1 protein) (cDNA, FLJ96508, Homo sapiens SH3-domain GRB2-like 1 (SH3GL1), mRNA) | SH3GL1 hCG_21932 | Q6FGM0 | 4 |
| Short-chain dehydrogenase/reductase 3 (EC 1.1.1.300) (DD83.1) (Retinal short-chain dehydrogenase/reductase 1) (retSDR1) | DHRS3 UNQ2424/PRO4983 | O75911 | 4 |
| Sialate O-acetylesterase (EC 3.1.1.53) (H-Lse) (Sialic acid-specific 9-O-acetylesterase) | SIAE YSG2 | Q9HAT2 | 4 |
| Sialic acid-binding Ig-like lectin 12 (Siglec-12) (Sialic acid-binding Ig-like lectin-like 1) (Siglec-L1) | SIGLEC12 SIGLECL1 SLG UNQ9215/PRO34042 | Q96PQ1 | 4 |
| Sialic acid-binding Ig-like lectin 6 (Siglec-6) (CD33 antigen-like 1) (CDw327) (Obesity-binding protein 1) (OB-BP1) (CD antigen CD327) | SIGLEC6 CD33L CD33L1 OBBP1 | O43699 | 4 |
| Sideroflexin-4 (Breast cancer resistance marker 1) | SFXN4 BCRM1 | Q6P4A7 | 4 |
| Signal peptidase complex subunit 2 (EC 3.4.-.-) (Microsomal signal peptidase 25 kDa subunit) (SPase 25 kDa subunit) | SPCS2 KIAA0102 SPC25 | Q15005 | 4 |
| Signal transducing adapter molecule 2 (STAM-2) (Hrs-binding protein) | STAM2 HBP | O75886 | 4 |
| Signal-induced proliferation-associated protein 1 (Sipa-1) (GTPase-activating protein Spa-1) (p130 SPA-1) | SIPA1 SPA1 | Q96FS4 | 4 |
| Similar to Kruppel-like factor 2 (Lung) (Fragment) | 0 | Q8IUN4 | 4 |
| Sister chromatid cohesion protein DCC1 (Defective in sister chromatid cohesion protein 1 homolog) | DSCC1 DCC1 UNQ9337/PRO34008 | Q9BVC3 | 4 |
| Ski oncogene (Proto-oncogene c-Ski) | SKI | P12755 | 4 |
| SLC29A2 protein | 0 | Q96FB2 | 4 |
| SLC2A4 regulator (GLUT4 enhancer factor) (GEF) (Huntington disease gene regulatory region-binding protein 1) (HDBP-1) | SLC2A4RG HDBP1 | Q9NR83 | 4 |
| Small integral membrane protein 12 | SMIM12 C1orf212 | Q96EX1 | 4 |
| Small integral membrane protein 3 (NGF-induced differentiation clone 67 protein) (Small membrane protein NID67) | SMIM3 C5orf62 NID67 | Q9BZL3 | 4 |
| Small integral membrane protein 4 | SMIM4 C3orf78 | Q8WVI0 | 4 |
| Small nuclear protein PRAC1 (Prostate cancer susceptibility candidate protein 1) (Prostate, rectum and colon expressed gene protein) | PRAC1 C17orf92 PRAC | Q96KF2 | 4 |
| Small nuclear ribonucleoprotein Sm D3 (Sm-D3) (snRNP core protein D3) | SNRPD3 | P62318 | 4 |
| Smith-Magenis syndrome chromosomal region candidate gene 8 protein | SMCR8 | Q8TEV9 | 4 |
| SNF-related serine/threonine-protein kinase (EC 2.7.11.1) (SNF1-related kinase) | SNRK KIAA0096 SNFRK | Q9NRH2 | 4 |
| SOCS3 protein (Suppressor of cytokine signaling 3, isoform CRA_a) (cDNA, FLJ94944, highly similar to Homo sapiens suppressor of cytokine signaling 3 (SOCS3), mRNA) | SOCS3 hCG_1776363 | Q6FI39 | 4 |
| Sodium-coupled neutral amino acid transporter 1 (Amino acid transporter A1) (N-system amino acid transporter 2) (Solute carrier family 38 member 1) (System A amino acid transporter 1) (System N amino acid transporter 1) | SLC38A1 ATA1 NAT2 SAT1 SNAT1 | Q9H2H9 | 4 |
| Sodium-coupled neutral amino acid transporter 2 (Amino acid transporter A2) (Protein 40-9-1) (Solute carrier family 38 member 2) (System A amino acid transporter 2) (System A transporter 1) (System N amino acid transporter 2) | SLC38A2 ATA2 KIAA1382 SAT2 SNAT2 | Q96QD8 | 4 |
| Sodium-dependent phosphate transporter 2 (Gibbon ape leukemia virus receptor 2) (GLVR-2) (Phosphate transporter 2) (PiT-2) (Pit2) (hPit2) (Solute carrier family 20 member 2) | SLC20A2 GLVR2 PIT2 | Q08357 | 4 |
| Solute carrier family 13 member 3 (Na(+)/dicarboxylate cotransporter 3) (NaDC-3) (hNaDC3) (Sodium-dependent high-affinity dicarboxylate transporter 2) | SLC13A3 NADC3 SDCT2 | Q8WWT9 | 4 |
| Solute carrier family 15 member 4 (Peptide transporter 4) (Peptide/histidine transporter 1) (hPHT1) | SLC15A4 PHT1 PTR4 FP12591 | Q8N697 | 4 |
| Solute carrier family 2, (Facilitated glucose transporter) member 8, isoform CRA_d | SLC2A8 hCG_28276 | Q8WZ05 | 4 |
| Solute carrier family 22 member 3 (Extraneuronal monoamine transporter) (EMT) (Organic cation transporter 3) | SLC22A3 EMTH OCT3 | O75751 | 4 |
| Solute carrier family 25 member 38 | SLC25A38 | Q96DW6 | 4 |
| Solute carrier family 25 member 47 (Hepatocellular carcinoma down-regulated mitochondrial carrier protein) | SLC25A47 C14orf68 HDMCP HMFN1655 | Q6Q0C1 | 4 |
| Solute carrier family 35 member E3 (Bladder cancer-overexpressed gene 1 protein) | SLC35E3 BLOV1 UNQ3043/PRO9859 | Q7Z769 | 4 |
| Solute carrier family 41 member 3 | SLC41A3 | Q96GZ6 | 4 |
| Son of sevenless homolog 2 (SOS-2) | SOS2 | Q07890 | 4 |
| Sorting nexin-1 | SNX1 | Q13596 | 4 |
| Sorting nexin-15 | SNX15 | Q9NRS6 | 4 |
| Sorting nexin-4 | SNX4 | O95219 | 4 |
| Speedy protein C (Rapid inducer of G2/M progression in oocytes C) (RINGO C) (hSpy/Ringo C) | SPDYC | Q5MJ68 | 4 |
| Sperm flagellar protein 1 | SPEF1 C20orf28 | Q9Y4P9 | 4 |