| Serine/threonine kinase 24 (STE20 homolog, yeast) | STK24 | Q6P0Y1 | 6 |
| Serine/threonine-protein kinase B-raf (EC 2.7.11.1) (Proto-oncogene B-Raf) (p94) (v-Raf murine sarcoma viral oncogene homolog B1) | BRAF BRAF1 RAFB1 | P15056 | 6 |
| Serine/threonine-protein kinase D3 (EC 2.7.11.13) (Protein kinase C nu type) (Protein kinase EPK2) (nPKC-nu) | PRKD3 EPK2 PRKCN | O94806 | 6 |
| Serine/threonine-protein kinase LATS1 (Fragment) | LATS1 | H0YG09 | 6 |
| Serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B beta isoform (PP2A subunit B isoform B55-beta) (PP2A subunit B isoform PR55-beta) (PP2A subunit B isoform R2-beta) (PP2A subunit B isoform beta) | PPP2R2B | Q00005 | 6 |
| Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A alpha isoform (cDNA FLJ33169 fis, clone ADRGL2000384, highly similar to Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A alpha isoform) | PPP2R1A | B3KQV6 | 6 |
| Sex comb on midleg-like protein 2 | SCML2 | Q9UQR0 | 6 |
| Sex hormone-binding globulin (Sex hormone-binding globulin, isoform CRA_a) | SHBG hCG_42018 | I3L145 | 6 |
| Sickle tail protein homolog | KIAA1217 SKT | Q5T5P2 | 6 |
| SID1 transmembrane family member 2 | SIDT2 CGI-40 PSEC0072 UNQ685/PRO1325 | Q8NBJ9 | 6 |
| Signal-transducing adaptor protein 1 (STAP-1) (BCR downstream-signaling protein 1) (Docking protein BRDG1) (Stem cell adaptor protein 1) | STAP1 BRDG1 | Q9ULZ2 | 6 |
| Signal-transducing adaptor protein 2 (STAP-2) (Breast tumor kinase substrate) (BRK substrate) | STAP2 BKS | Q9UGK3 | 6 |
| Single-chain Fv (Fragment) | scFv | Q65ZC9 | 6 |
| Slit homolog 1 protein (Slit-1) (Multiple epidermal growth factor-like domains protein 4) (Multiple EGF-like domains protein 4) | SLIT1 KIAA0813 MEGF4 SLIL1 | O75093 | 6 |
| SLIT-ROBO Rho GTPase-activating protein 3 (srGAP3) (Mental disorder-associated GAP) (Rho GTPase-activating protein 14) (WAVE-associated Rac GTPase-activating protein) (WRP) | SRGAP3 ARHGAP14 KIAA0411 KIAA1156 MEGAP SRGAP2 | O43295 | 6 |
| Small G protein signaling modulator 2 (RUN and TBC1 domain-containing protein 1) | SGSM2 KIAA0397 RUTBC1 | O43147 | 6 |
| Small membrane A-kinase anchor protein (Small membrane AKAP) (smAKAP) | C2orf88 | Q9BSF0 | 6 |
| Small proline-rich protein 2G (SPR-2G) | SPRR2G | Q9BYE4 | 6 |
| Sodium channel protein type 7 subunit alpha (Putative voltage-gated sodium channel subunit alpha Nax) (Sodium channel protein cardiac and skeletal muscle subunit alpha) (Sodium channel protein type VII subunit alpha) | SCN7A SCN6A | Q01118 | 6 |
| Sodium-coupled neutral amino acid transporter 9 (Solute carrier family 38 member 9) (Up-regulated in lung cancer 11) | SLC38A9 URLC11 | Q8NBW4 | 6 |
| Sodium/potassium-transporting ATPase subunit alpha (EC 3.6.3.-) | 0 | B2RAQ4 | 6 |
| Sodium/potassium-transporting ATPase subunit alpha (EC 3.6.3.-) | 0 | B7Z3F8 | 6 |
| Sodium/potassium-transporting ATPase subunit alpha-1 (Na(+)/K(+) ATPase alpha-1 subunit) (EC 3.6.3.9) (Sodium pump subunit alpha-1) | ATP1A1 | B7Z2T5 | 6 |
| Sodium/potassium-transporting ATPase subunit beta-3 | ATP1B3 | F8WBY4 | 6 |
| Sodium/potassium-transporting ATPase subunit beta-3 (Fragment) | ATP1B3 | C9JXZ1 | 6 |
| Solute carrier family 16, member 3 variant (Fragment) | 0 | Q53G91 | 6 |
| Solute carrier family 22 member 4 (Ergothioneine transporter) (ET transporter) (Organic cation/carnitine transporter 1) | SLC22A4 ETT OCTN1 UT2H | Q9H015 | 6 |
| Son of sevenless homolog 1 (SOS-1) | SOS1 | Q07889 | 6 |
| Sorcin (22 kDa protein) (CP-22) (CP22) (V19) | SRI | A8MTH6 | 6 |
| Spatacsin (Colorectal carcinoma-associated protein) (Spastic paraplegia 11 protein) | SPG11 KIAA1840 | Q96JI7 | 6 |
| Sperm-associated antigen 1 (HSD-3.8) (Infertility-related sperm protein Spag-1) | SPAG1 | Q07617 | 6 |
| Spermatogenesis-associated serine-rich protein 2 (Serine-rich spermatocytes and round spermatid 59 kDa protein) (p59scr) | SPATS2 SCR59 SPATA10 Nbla00526 | Q86XZ4 | 6 |
| Splicing factor U2AF 65 kDa subunit | U2AF2 | K7ENG2 | 6 |
| Sprouty-related, EVH1 domain-containing protein 1 (Spred-1) (hSpred1) | SPRED1 | Q7Z699 | 6 |
| Stabilin-2 (FAS1 EGF-like and X-link domain-containing adhesion molecule 2) (Fasciclin, EGF-like, laminin-type EGF-like and link domain-containing scavenger receptor 2) (FEEL-2) (Hyaluronan receptor for endocytosis) [Cleaved into: 190 kDa form stabilin-2 (190 kDa hyaluronan receptor for endocytosis)] | STAB2 FEEL2 FELL FEX2 HARE | Q8WWQ8 | 6 |
| StAR-related lipid transfer protein 7, mitochondrial (Gestational trophoblastic tumor protein 1) (START domain-containing protein 7) (StARD7) | STARD7 GTT1 | Q9NQZ5 | 6 |
| Stonin-1 (Stoned B-like factor) | STON1 SALF SBLF STN1 | Q9Y6Q2 | 6 |
| Stromal membrane-associated protein 2 (Stromal membrane-associated protein 1-like) | SMAP2 SMAP1L | Q8WU79 | 6 |
| Structural maintenance of chromosomes protein 5 (SMC protein 5) (SMC-5) (hSMC5) | SMC5 KIAA0594 SMC5L1 | Q8IY18 | 6 |
| Sulfhydryl oxidase 1 | QSOX1 | A8MXT8 | 6 |
| Sulfotransferase 1A3 (ST1A3) (EC 2.8.2.1) (Aryl sulfotransferase 1A3/1A4) (Catecholamine-sulfating phenol sulfotransferase) (HAST3) (M-PST) (Monoamine-sulfating phenol sulfotransferase) (Placental estrogen sulfotransferase) (Sulfotransferase 1A3/1A4) (Sulfotransferase, monoamine-preferring) (Thermolabile phenol sulfotransferase) (TL-PST) | SULT1A3 STM | P0DMM9 | 6 |
| SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily D member 3 (60 kDa BRG-1/Brm-associated factor subunit C) (BRG1-associated factor 60C) (BAF60C) | SMARCD3 BAF60C | Q6STE5 | 6 |
| Synaptogyrin 2, isoform CRA_a (Synaptogyrin-2) | SYNGR2 hCG_27833 | K7EJ35 | 6 |
| Synaptonemal complex protein 2-like (SCP-2-like) (145 kDa nucleolar protein homolog) (hsNO145) | SYCP2L C6orf177 NO145 | Q5T4T6 | 6 |
| Synaptopodin | SYNPO KIAA1029 | Q8N3V7 | 6 |
| Synaptotagmin-like protein 3 (Exophilin-6) | SYTL3 SLP3 | Q4VX76 | 6 |
| Synergin gamma (AP1 subunit gamma-binding protein 1) (Gamma-synergin) | SYNRG AP1GBP1 SYNG | Q9UMZ2 | 6 |
| Syntaxin-binding protein 2 (Protein unc-18 homolog 2) (Unc18-2) (Protein unc-18 homolog B) (Unc-18B) | STXBP2 UNC18B | B4E175 | 6 |
| T-cell differentiation antigen CD6 (T12) (TP120) (CD antigen CD6) [Cleaved into: Soluble CD6] | CD6 | P30203 | 6 |
| T-complex protein 1 subunit beta | CCT2 | F5GWF6 | 6 |
| T-lymphocyte activation antigen CD86 (Activation B7-2 antigen) (B70) (BU63) (CTLA-4 counter-receptor B7.2) (FUN-1) (CD antigen CD86) | CD86 CD28LG2 | P42081 | 6 |
| T-lymphoma invasion and metastasis-inducing protein 1 (TIAM-1) | TIAM1 | Q13009 | 6 |
| TATA box-binding protein-like protein 1 (TBP-like protein 1) (21 kDa TBP-like protein) (Second TBP of unique DNA protein) (STUD) (TATA box-binding protein-related factor 2) (TBP-related factor 2) (TBP-like factor) (TBP-related protein) | TBPL1 TLF TLP TLP21 TRF2 TRP | P62380 | 6 |
| Tau-tubulin kinase 1 (EC 2.7.11.1) (Brain-derived tau kinase) | TTBK1 BDTK KIAA1855 | Q5TCY1 | 6 |
| TBC1 domain family member 1 | TBC1D1 KIAA1108 | Q86TI0 | 6 |
| TBC1 domain family member 16 | TBC1D16 | Q8TBP0 | 6 |
| TBC1 domain family member 2B | TBC1D2B KIAA1055 | Q9UPU7 | 6 |
| Telomeric repeat-binding factor 2 (TTAGGG repeat-binding factor 2) (Telomeric DNA-binding protein) | TERF2 TRBF2 TRF2 | Q15554 | 6 |
| Tensin-2 (EC 3.1.3.-) (C1 domain-containing phosphatase and tensin homolog) (C1-TEN) (Tensin-like C1 domain-containing phosphatase) | TNS2 KIAA1075 TENC1 | Q63HR2 | 6 |
| Tetraspanin | CD81 | A6NMH8 | 6 |
| Tetraspanin | TSPAN9 | B5MD23 | 6 |
| Tetratricopeptide repeat protein 28 (TPR repeat protein 28) (TPR repeat-containing big gene cloned at Keio) | TTC28 KIAA1043 TPRBK | Q96AY4 | 6 |
| Tetratricopeptide repeat protein 29 (TPR repeat protein 29) (Protein TBPP2A) (Testis development protein NYD-SP14) | TTC29 | Q8NA56 | 6 |
| TGF-beta-activated kinase 1 and MAP3K7-binding protein 3 (Mitogen-activated protein kinase kinase kinase 7-interacting protein 3) (NF-kappa-B-activating protein 1) (TAK1-binding protein 3) (TAB-3) (TGF-beta-activated kinase 1-binding protein 3) | TAB3 MAP3K7IP3 | Q8N5C8 | 6 |
| Thy-1 membrane glycoprotein (Fragment) | THY1 | E9PNQ8 | 6 |
| Thymosin beta-15B | TMSB15B | P0CG35 | 6 |
| Transcription factor 20 (TCF-20) (Nuclear factor SPBP) (Protein AR1) (Stromelysin-1 PDGF-responsive element-binding protein) (SPRE-binding protein) | TCF20 KIAA0292 SPBP | Q9UGU0 | 6 |
| Transcription factor E2F7 (E2F-7) | E2F7 | Q96AV8 | 6 |
| Transferrin receptor protein 1 (Fragment) | TFRC | H7C3V5 | 6 |
| Transforming growth factor-beta-induced protein ig-h3 (Fragment) | TGFBI | H0YAB8 | 6 |
| Transmembrane 9 superfamily member | 0 | E9PSI1 | 6 |
| Transmembrane 9 superfamily member 1 (MP70 protein family member) (hMP70) | TM9SF1 | O15321 | 6 |
| Transmembrane and TPR repeat-containing protein 3 (Protein SMILE) | TMTC3 | Q6ZXV5 | 6 |
| Transmembrane protease serine 4 (EC 3.4.21.-) (Channel-activating protease 2) (CAPH2) (Membrane-type serine protease 2) (MT-SP2) | TMPRSS4 TMPRSS3 UNQ776/PRO1570 | Q9NRS4 | 6 |
| Transmembrane protein 106A | TMEM106A | Q96A25 | 6 |
| Transmembrane protein 108 (Retrolinkin) | TMEM108 KIAA1690 RTLN UNQ1875/PRO4318 | Q6UXF1 | 6 |
| Transmembrane protein 176A (Hepatocellular carcinoma-associated antigen 112) | TMEM176A HCA112 | Q96HP8 | 6 |
| Transmembrane protein 184A | TMEM184A | Q6ZMB5 | 6 |
| Transmembrane protein 245 (Protein CG-2) | TMEM245 C9orf5 | Q9H330 | 6 |
| Transmembrane protein 65 | TMEM65 | Q6PI78 | 6 |
| Transmembrane protein 70, mitochondrial | TMEM70 | Q9BUB7 | 6 |
| Trem-like transcript 1 protein (TLT-1) (Triggering receptor expressed on myeloid cells-like protein 1) | TREML1 TLT1 UNQ1825/PRO3438 | Q86YW5 | 6 |
| Trifunctional purine biosynthetic protein adenosine-3 [Includes: Phosphoribosylamine--glycine ligase (EC 6.3.4.13) (Glycinamide ribonucleotide synthetase) (GARS) (Phosphoribosylglycinamide synthetase); Phosphoribosylformylglycinamidine cyclo-ligase (EC 6.3.3.1) (AIR synthase) (AIRS) (Phosphoribosyl-aminoimidazole synthetase); Phosphoribosylglycinamide formyltransferase (EC 2.1.2.2) (5'-phosphoribosylglycinamide transformylase) (GAR transformylase) (GART)] | GART | Q3B7A7 | 6 |
| Tripartite motif-containing protein 14 | TRIM14 KIAA0129 | Q14142 | 6 |
| Triple functional domain protein | TRIO | E7EWP2 | 6 |
| Trypsin-3 (Fragment) | PRSS3 | B1AN99 | 6 |
| Tubulin beta chain (Fragment) | TUBB6 | K7ESM5 | 6 |
| Tubulin beta chain (Fragment) | TUBB4A | M0R042 | 6 |
| Tubulin beta-4A chain (Fragment) | TUBB4A | M0R2D3 | 6 |
| Tubulin beta-4A chain (Fragment) | TUBB4A | M0QY85 | 6 |
| Tubulin polymerization-promoting protein (TPPP) (25 kDa brain-specific protein) (TPPP/p25) (p24) (p25-alpha) | TPPP TPPP1 | O94811 | 6 |
| Tubulin-specific chaperone cofactor E-like protein (EL) (Leucine-rich repeat-containing protein 35) | TBCEL LRRC35 | Q5QJ74 | 6 |
| Tumor-associated calcium signal transducer 2 (Fragment) | TACSTD2 | D1MF27 | 6 |
| Twisted gastrulation protein homolog 1 | TWSG1 TSG PSEC0250 | Q9GZX9 | 6 |
| Two pore calcium channel protein 1 (Voltage-dependent calcium channel protein TPC1) | TPCN1 KIAA1169 TPC1 | Q9ULQ1 | 6 |
| Tyrosine-protein kinase Fes/Fps (EC 2.7.10.2) (Feline sarcoma/Fujinami avian sarcoma oncogene homolog) (Proto-oncogene c-Fes) (Proto-oncogene c-Fps) (p93c-fes) | FES FPS | P07332 | 6 |
| Tyrosine-protein kinase receptor TYRO3 (EC 2.7.10.1) (Tyrosine-protein kinase BYK) (Tyrosine-protein kinase DTK) (Tyrosine-protein kinase RSE) (Tyrosine-protein kinase SKY) (Tyrosine-protein kinase TIF) | TYRO3 BYK DTK RSE SKY TIF | Q06418 | 6 |
| Tyrosine-protein phosphatase non-receptor type 2 (EC 3.1.3.48) (T-cell protein-tyrosine phosphatase) (TCPTP) | PTPN2 PTPT | P17706 | 6 |
| Tyrosyl-DNA phosphodiesterase 2 (Tyr-DNA phosphodiesterase 2) (hTDP2) (EC 3.1.4.-) (5'-tyrosyl-DNA phosphodiesterase) (5'-Tyr-DNA phosphodiesterase) (ETS1-associated protein 2) (ETS1-associated protein II) (EAPII) (TRAF and TNF receptor-associated protein) (Tyrosyl-RNA phosphodiesterase) (VPg unlinkase) | TDP2 EAP2 TTRAP AD-022 | O95551 | 6 |
| U3 small nucleolar ribonucleoprotein protein IMP4 (U3 snoRNP protein IMP4) (Brix domain-containing protein 4) | IMP4 BXDC4 | Q96G21 | 6 |