| TRAF2 | TRAF2 | E5KBQ3 | 3 |
| Transcription factor 19 (TCF-19) (Transcription factor SC1) | TCF19 SC1 | Q9Y242 | 3 |
| Transcription factor 4 (TCF-4) (Class B basic helix-loop-helix protein 19) (bHLHb19) (Immunoglobulin transcription factor 2) (ITF-2) (SL3-3 enhancer factor 2) (SEF-2) | TCF4 BHLHB19 ITF2 SEF2 | P15884 | 3 |
| Transcription factor HIVEP2 (Human immunodeficiency virus type I enhancer-binding protein 2) (HIV-EP2) (MHC-binding protein 2) (MBP-2) | HIVEP2 | P31629 | 3 |
| Transcription factor HIVEP3 (Human immunodeficiency virus type I enhancer-binding protein 3) (Kappa-B and V(D)J recombination signal sequences-binding protein) (Kappa-binding protein 1) (KBP-1) (Zinc finger protein ZAS3) | HIVEP3 KBP1 KIAA1555 KRC ZAS3 | Q5T1R4 | 3 |
| Transcription factor jun-B | JUNB | P17275 | 3 |
| Transcription factor RelB (I-Rel) | RELB | Q01201 | 3 |
| Transcription factor RFX4 (Regulatory factor X 4) (Testis development protein NYD-SP10) | RFX4 | Q33E94 | 3 |
| Transcription factor SOX-3 | SOX3 | P41225 | 3 |
| Transcription factor SOX-6 | SOX6 | P35712 | 3 |
| Transcription initiation factor TFIID subunit 10 (STAF28) (Transcription initiation factor TFIID 30 kDa subunit) (TAF(II)30) (TAFII-30) (TAFII30) | TAF10 TAF2A TAF2H TAFII30 | Q12962 | 3 |
| Transcription initiation factor TFIID subunit 2 (150 kDa cofactor of initiator function) (RNA polymerase II TBP-associated factor subunit B) (TBP-associated factor 150 kDa) (Transcription initiation factor TFIID 150 kDa subunit) (TAF(II)150) (TAFII-150) (TAFII150) | TAF2 CIF150 TAF2B | Q6P1X5 | 3 |
| Transcription initiation factor TFIID subunit 5 (Transcription initiation factor TFIID 100 kDa subunit) (TAF(II)100) (TAFII-100) (TAFII100) | TAF5 TAF2D | Q15542 | 3 |
| Transcription initiation factor TFIID subunit 6 (RNA polymerase II TBP-associated factor subunit E) (Transcription initiation factor TFIID 70 kDa subunit) (TAF(II)70) (TAFII-70) (TAFII70) (Transcription initiation factor TFIID 80 kDa subunit) (TAF(II)80) (TAFII-80) (TAFII80) | TAF6 TAF2E TAFII70 | P49848 | 3 |
| Transcription initiation factor TFIID subunit 9 (RNA polymerase II TBP-associated factor subunit G) (STAF31/32) (Transcription initiation factor TFIID 31 kDa subunit) (TAFII-31) (TAFII31) (Transcription initiation factor TFIID 32 kDa subunit) (TAFII-32) (TAFII32) | TAF9 TAF2G TAFII31 | Q16594 | 3 |
| Transcription termination factor 1, mitochondrial (Mitochondrial transcription termination factor 1) (mTERF) (mTERF1) | MTERF1 MTERF | Q99551 | 3 |
| Transcriptional enhancer factor TEF-1 (NTEF-1) (Protein GT-IIC) (TEA domain family member 1) (TEAD-1) (Transcription factor 13) (TCF-13) | TEAD1 TCF13 TEF1 | P28347 | 3 |
| Transcriptional repressor NF-X1 (EC 6.3.2.-) (Nuclear transcription factor, X box-binding protein 1) | NFX1 NFX2 | Q12986 | 3 |
| Transforming growth factor beta-3 (TGF-beta-3) [Cleaved into: Latency-associated peptide (LAP)] | TGFB3 | P10600 | 3 |
| Transforming growth factor-beta 1 (Fragment) | 0 | Q671V1 | 3 |
| Transforming growth factor-beta-induced protein ig-h3 (Fragment) | TGFBI | H0Y8L3 | 3 |
| Transient receptor potential cation channel subfamily M member 3 (Transient receptor potential cation channel, subfamily M, member 3, isoform CRA_c) | TRPM3 hCG_2042991 | H7BYP1 | 3 |
| Transient receptor potential cation channel subfamily M member 8 (Long transient receptor potential channel 6) (LTrpC-6) (LTrpC6) (Transient receptor potential p8) (Trp-p8) | TRPM8 LTRPC6 TRPP8 | Q7Z2W7 | 3 |
| Transketolase | TKT | A0A0B4J1R6 | 3 |
| Transketolase (EC 2.2.1.1) | 0 | B3KSI4 | 3 |
| Translation factor GUF1, mitochondrial (EC 3.6.5.-) (Elongation factor 4 homolog) (EF-4) (GTPase GUF1) (Ribosomal back-translocase) | GUF1 | Q8N442 | 3 |
| Translation initiation factor IF-3, mitochondrial (IF-3(Mt)) (IF-3Mt) (IF3(mt)) (IF3mt) | MTIF3 DC38 | Q9H2K0 | 3 |
| Translational activator of cytochrome c oxidase 1 (Coiled-coil domain-containing protein 44) (Translational activator of mitochondrially-encoded cytochrome c oxidase I) | TACO1 CCDC44 PRO0477 | Q9BSH4 | 3 |
| Translin variant (Fragment) | 0 | Q53GR3 | 3 |
| Translocation protein SEC62 | SEC62 | F8WF48 | 3 |
| Translocon-associated protein subunit alpha | SSR1 | C9J3L8 | 3 |
| Transmembrane 9 superfamily member (Fragment) | TM9SF3 | Q5TB53 | 3 |
| Transmembrane and coiled-coil domain-containing protein 4 | TMCO4 | Q5TGY1 | 3 |
| Transmembrane channel-like protein 2 (Transmembrane cochlear-expressed protein 2) | TMC2 C20orf145 UNQ907/PRO1928 | Q8TDI7 | 3 |
| Transmembrane protein 106B | TMEM106B | F2Z3N7 | 3 |
| Transmembrane protein 127 | TMEM127 | O75204 | 3 |
| Transmembrane protein 132C | TMEM132C | Q8N3T6 | 3 |
| Transmembrane protein 134 | TMEM134 | Q9H6X4 | 3 |
| Transmembrane protein 156 | TMEM156 | Q8N614 | 3 |
| Transmembrane protein 169 | TMEM169 | Q96HH4 | 3 |
| Transmembrane protein 190 | TMEM190 MDAC1 | Q8WZ59 | 3 |
| Transmembrane protein 198 (Fragment) | TMEM198 | C9JXI5 | 3 |
| Transmembrane protein 200C (Transmembrane protein TTMA) (Two transmembrane domain-containing family member A) | TMEM200C TTMA | A6NKL6 | 3 |
| Transmembrane protein 231 | TMEM231 UNQ870/PRO1886 | Q9H6L2 | 3 |
| Transmembrane protein 40 | TMEM40 | Q8WWA1 | 3 |
| Transmembrane protein 54 (Beta-casein-like protein) (Protein CAC-1) | TMEM54 BCLP CAC1 | Q969K7 | 3 |
| Transmembrane protein 59 (Fragment) | TMEM59 | Q5T706 | 3 |
| Transmembrane protein 59 (Transmembrane protein 59, isoform CRA_a) | TMEM59 hCG_33694 | Q5T6Z8 | 3 |
| Transmembrane protein C1orf162 | C1orf162 | Q8NEQ5 | 3 |
| Trefoil factor 2 (Spasmolysin) (Spasmolytic polypeptide) (SP) | TFF2 SML1 | Q03403 | 3 |
| Tribbles homolog 1 (TRB-1) (G-protein-coupled receptor-induced gene 2 protein) (GIG-2) (SKIP1) | TRIB1 C8FW GIG2 TRB1 | Q96RU8 | 3 |
| Trifunctional enzyme subunit alpha, mitochondrial (78 kDa gastrin-binding protein) (TP-alpha) [Includes: Long-chain enoyl-CoA hydratase (EC 4.2.1.17); Long chain 3-hydroxyacyl-CoA dehydrogenase (EC 1.1.1.211)] | HADHA HADH | Q9UQC5 | 3 |
| Triggering receptor expressed on myeloid cells 1 (TREM-1) (Triggering receptor expressed on monocytes 1) (CD antigen CD354) | TREM1 | Q9NP99 | 3 |
| Trimethylguanosine synthase (EC 2.1.1.-) (CLL-associated antigen KW-2) (Cap-specific guanine-N2 methyltransferase) (Hepatocellular carcinoma-associated antigen 137) (Nuclear receptor coactivator 6-interacting protein) (PRIP-interacting protein with methyltransferase motif) (PIMT) (PIPMT) | TGS1 HCA137 NCOA6IP PIMT | Q96RS0 | 3 |
| Trinucleotide repeat-containing gene 18 protein | TNRC18 | H9KVB4 | 3 |
| Trinucleotide repeat-containing gene 6A protein (CAG repeat protein 26) (EMSY interactor protein) (GW182 autoantigen) (Protein GW1) (Glycine-tryptophan protein of 182 kDa) | TNRC6A CAGH26 KIAA1460 TNRC6 | Q8NDV7 | 3 |
| Trinucleotide repeat-containing gene 6B protein | TNRC6B KIAA1093 | Q9UPQ9 | 3 |
| Triosephosphate isomerase (EC 5.3.1.1) (Fragment) | 0 | Q2QD09 | 3 |
| Tripartite motif-containing protein 40 (Probable E3 NEDD8-protein ligase) (RING finger protein 35) | TRIM40 RNF35 | Q6P9F5 | 3 |
| Tripeptidyl peptidase I, isoform CRA_a | TPP1 hCG_22005 | D3DQU2 | 3 |
| tRNA (adenine(58)-N(1))-methyltransferase catalytic subunit TRMT61A (Fragment) | TRMT61A | H0Y2Q1 | 3 |
| tRNA wybutosine-synthesizing protein 5 (hTYW5) (EC 1.14.11.42) (tRNA(Phe) (7-(3-amino-3-carboxypropyl)wyosine(37)-C(2))-hydroxylase) | TYW5 C2orf60 | A2RUC4 | 3 |
| tRNA-splicing endonuclease subunit Sen15 (SEN15 homolog) (HsSEN15) (tRNA-intron endonuclease Sen15) | TSEN15 C1orf19 SEN15 | Q8WW01 | 3 |
| tRNA-splicing endonuclease subunit Sen34 (EC 4.6.1.16) (Leukocyte receptor cluster member 5) (tRNA-intron endonuclease Sen34) (HsSen34) | TSEN34 LENG5 SEN34 | Q9BSV6 | 3 |
| tRNA:m(4)X modification enzyme TRM13 homolog (EC 2.1.1.225) (Coiled-coil domain-containing protein 76) | TRMT13 CCDC76 | Q9NUP7 | 3 |
| Trophoblast glycoprotein-like | TPBGL | P0DKB5 | 3 |
| Troponin T, fast skeletal muscle (TnTf) (Beta-TnTF) (Fast skeletal muscle troponin T) (fTnT) | TNNT3 | P45378 | 3 |
| Truncated beta-globin (Fragment) | 0 | Q3L3Q5 | 3 |
| Tubulin alpha chain (Fragment) | TUBA4A | C9JEV8 | 3 |
| Tubulin alpha-4A chain (Alpha-tubulin 1) (Testis-specific alpha-tubulin) (Tubulin H2-alpha) (Tubulin alpha-1 chain) | TUBA4A TUBA1 | A8MUB1 | 3 |
| Tubulin beta chain | TUBB6 | Q2NKY5 | 3 |
| Tubulin beta chain | 0 | B4DE77 | 3 |
| Tubulin beta chain | TUBB8 hCG_2017862 | Q5SQY0 | 3 |
| Tubulin beta chain (Fragment) | TUBB2A | A5D907 | 3 |
| Tubulin beta-4A chain (Fragment) | TUBB4A | M0QYM7 | 3 |
| Tubulin epsilon chain (Epsilon-tubulin) | TUBE1 TUBE | Q9UJT0 | 3 |
| Tubulin gamma chain (Fragment) | TUBG1 | K7EIS0 | 3 |
| Tubulin polyglutamylase complex subunit 1 (PGs1) | TPGS1 C19orf20 | Q6ZTW0 | 3 |
| Tubulin polyglutamylase TTLL13P (EC 6.-.-.-) (Tubulin tyrosine ligase-like family member 13 pseudogene) (Tubulin--tyrosine ligase-like protein 13) | TTLL13P TTLL13 | A6NNM8 | 3 |
| Tubulin--tyrosine ligase (TTL) (EC 6.3.2.25) | TTL | Q8NG68 | 3 |
| Tubulin-specific chaperone D | TBCD | J3KR97 | 3 |
| Tudor domain-containing protein 1 (Cancer/testis antigen 41.1) (CT41.1) | TDRD1 | Q9BXT4 | 3 |
| Tuftelin-interacting protein 11 (Septin and tuftelin-interacting protein 1) (STIP-1) | TFIP11 STIP HSPC006 | Q9UBB9 | 3 |
| Tumor necrosis factor receptor superfamily member 1B (Tumor necrosis factor receptor 2) (TNF-R2) (Tumor necrosis factor receptor type II) (TNF-RII) (TNFR-II) (p75) (p80 TNF-alpha receptor) (CD antigen CD120b) (Etanercept) [Cleaved into: Tumor necrosis factor receptor superfamily member 1b, membrane form; Tumor necrosis factor-binding protein 2 (TBP-2) (TBPII)] | TNFRSF1B TNFBR TNFR2 | P20333 | 3 |
| Tumor necrosis factor receptor superfamily, member 10b (Tumor necrosis factor receptor superfamily, member 10b, isoform CRA_b) | TNFRSF10B hCG_1645072 | D3DSR9 | 3 |
| Tumor suppressor ARF (Alternative reading frame) (ARF) (Cyclin-dependent kinase inhibitor 2A) (p14ARF) | CDKN2A CDKN2 MLM | Q8N726 | 3 |
| Tumor suppressor p53-binding protein 1 | TP53BP1 | A6NNK5 | 3 |
| Tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein, beta polypeptide variant (Fragment) | 0 | Q59EQ2 | 3 |
| Tyrosine-protein kinase (EC 2.7.10.2) | 0 | A8K4G3 | 3 |
| Tyrosine-protein kinase (EC 2.7.10.2) | YES1 | J3QRU1 | 3 |
| Tyrosine-protein kinase (EC 2.7.10.2) | TYK2 | E9PM19 | 3 |
| Tyrosine-protein kinase (EC 2.7.10.2) | 0 | B2RA70 | 3 |
| Tyrosine-protein kinase (EC 2.7.10.2) (Fragment) | 0 | Q53EL3 | 3 |
| Tyrosine-protein kinase receptor (EC 2.7.10.1) | SDC4-ROS1_S4;R34 | M1VE83 | 3 |
| Tyrosine-protein phosphatase non-receptor type 7 (EC 3.1.3.48) (Hematopoietic protein-tyrosine phosphatase) (HEPTP) (Protein-tyrosine phosphatase LC-PTP) | PTPN7 | P35236 | 3 |
| U4/U6.U5 tri-snRNP-associated protein 2 | USP39 | B9A018 | 3 |
| Ubiquinone biosynthesis O-methyltransferase, mitochondrial (3-demethylubiquinol 3-O-methyltransferase) (EC 2.1.1.64) (Polyprenyldihydroxybenzoate methyltransferase) (EC 2.1.1.114) | COQ3 UG0215E05 | Q9NZJ6 | 3 |
| Ubiquinone biosynthesis protein COQ9, mitochondrial | COQ9 C16orf49 HSPC326 PSEC0129 | O75208 | 3 |
| Ubiquitin carboxyl-terminal hydrolase 43 (EC 3.4.19.12) (Deubiquitinating enzyme 43) (Ubiquitin thioesterase 43) (Ubiquitin-specific-processing protease 43) | USP43 | Q70EL4 | 3 |
| Ubiquitin protein ligase E3A | UBE3A | Q9BUI6 | 3 |