| Thioredoxin domain-containing protein 11 | Txndc11 | Q8K2W3 | 1 |
| Thioredoxin domain-containing protein 12 (EC 1.8.4.2) (Endoplasmic reticulum resident protein 19) (ER protein 19) (ERp19) (Thioredoxin-like protein p19) | Txndc12 Tlp19 | Q9CQU0 | 1 |
| Thioredoxin domain-containing protein 15 | Txndc15 | Q6P6J9 | 1 |
| Thioredoxin domain-containing protein 8 (Spermatid-specific thioredoxin-3) (Sptrx-3) (Thioredoxin-6) | Txndc8 Sptrx3 Trx6 | Q69AB2 | 1 |
| Thioredoxin reductase 1, cytoplasmic (TR) (EC 1.8.1.9) (Thioredoxin reductase TR1) | Txnrd1 Trxr1 | Q9JMH6 | 1 |
| Thioredoxin reductase 3 (EC 1.8.1.9) (Thioredoxin and glutathione reductase) (Thioredoxin reductase TR2) | Txnrd3 Tgr Trxr3 | Q99MD6 | 1 |
| Thioredoxin-dependent peroxide reductase, mitochondrial (EC 1.11.1.15) (Antioxidant protein 1) (AOP-1) (PRX III) (Perioredoxin-3) (Protein MER5) | Prdx3 Aop1 Mer5 | P20108 | 1 |
| Thioredoxin-like protein AAED1 (AhpC/TSA antioxidant enzyme domain-containing protein 1) | Aaed1 | Q9D1A0 | 1 |
| Thioredoxin-related transmembrane protein 1 (Thioredoxin domain-containing protein 1) | Tmx1 Txndc Txndc1 | Q8VBT0 | 1 |
| Thioredoxin-related transmembrane protein 2 (Thioredoxin domain-containing protein 14) | Tmx2 Txndc14 | Q9D710 | 1 |
| Thiosulfate sulfurtransferase/rhodanese-like domain-containing protein 3 (Rhodanese domain-containing protein 3) | Tstd3 | Q9D0B5 | 1 |
| THO complex subunit 2 (Tho2) | Thoc2 | B1AZI6 | 1 |
| THO complex subunit 5 homolog (Fms-interacting protein) | Thoc5 Fmip Kiaa0983 | Q8BKT7 | 1 |
| Threonine synthase-like 1 (TSH1) | Thnsl1 | Q8BH55 | 1 |
| Threonylcarbamoyladenosine tRNA methylthiotransferase (EC 2.-.-.-) (CDK5 regulatory subunit-associated protein 1-like 1) (tRNA-t(6)A37 methylthiotransferase) | Cdkal1 | Q91WE6 | 1 |
| Thrombospondin 1 (Thrombospondin-1) | Thbs1 | Q80YQ1 | 1 |
| Thrombospondin type-1 domain-containing protein 1 (Transmembrane molecule with thrombospondin module) | Thsd1 Tmtsp | Q9JM61 | 1 |
| Thrombospondin type-1 domain-containing protein 7B | Thsd7b | Q6P4U0 | 1 |
| Thrombospondin-2 | Thbs2 Tsp2 | Q03350 | 1 |
| Thrombospondin-3 | Thbs3 Tsp3 | Q05895 | 1 |
| THUMP domain-containing protein 1 | Thumpd1 | Q99J36 | 1 |
| Thy-1 membrane glycoprotein (Thy-1 antigen) (CD antigen CD90) | Thy1 Thy-1 | P01831 | 1 |
| Thymic stromal cotransporter protein (Solute carrier family 46 member 2) | Slc46a2 Tscot | Q8CA03 | 1 |
| Thymidine kinase 2, mitochondrial (Thymidine kinase 2, mitochondrial, isoform CRA_b) | Tk2 mCG_21547 | Q8BN51 | 1 |
| Thymidine phosphorylase (TP) (EC 2.4.2.4) (TdRPase) | Tymp Ecgf1 | Q99N42 | 1 |
| Tigger transposable element derived 5 | Tigd5 | Q499M4 | 1 |
| Tigger transposable element-derived protein 2 | Tigd2 | Q0VBL1 | 1 |
| Tight junction protein ZO-2 (Tight junction protein 2) (Zona occludens protein 2) (Zonula occludens protein 2) | Tjp2 Zo2 | Q9Z0U1 | 1 |
| Tissue alpha-L-fucosidase (EC 3.2.1.51) (Alpha-L-fucosidase I) (Alpha-L-fucoside fucohydrolase 1) (Alpha-L-fucosidase 1) | Fuca1 Fuca | Q99LJ1 | 1 |
| TLR4 interactor with leucine rich repeats (Leucine-rich repeat-containing protein KIAA0644) | Tril Kiaa0644 | Q9DBY4 | 1 |
| TM2 domain-containing protein 2 | Tm2d2 | Q8R0I4 | 1 |
| TMF-regulated nuclear protein 1 | Trnp1 Trnp | Q80ZI1 | 1 |
| TNF receptor-associated factor 3 (EC 6.3.2.-) (CD40 receptor-associated factor 1) (CRAF1) (TRAFAMN) | Traf3 Craf1 Trafamn | Q60803 | 1 |
| TNF receptor-associated factor 5 | Traf5 | P70191 | 1 |
| TNFAIP3-interacting protein 1 (A20-binding inhibitor of NF-kappa-B activation 1) (ABIN) (ABIN-1) (Nef-associated factor 1) (Naf1) (Virion-associated nuclear shuttling protein) (VAN) (mVAN) | Tnip1 Abin Naf1 | Q9WUU8 | 1 |
| Toll-like receptor 7 | Tlr7 | P58681 | 1 |
| Toll-like receptor 9 (CD antigen CD289) | Tlr9 | Q9EQU3 | 1 |
| Toll/interleukin-1 receptor domain-containing adapter protein (TIR domain-containing adapter protein) (Adaptor protein Wyatt) (MyD88 adapter-like protein) | Tirap Mal | Q99JY1 | 1 |
| Torsin-1A-interacting protein 1 (Lamina-associated polypeptide 1B) (LAP1B) | Tor1aip1 | Q921T2 | 1 |
| Torsin-3A (ATP-dependent interferon-responsive protein) (Torsin family 3 member A) | Tor3a Adir | Q9ER38 | 1 |
| TP53-regulated inhibitor of apoptosis 1 (Protein 15E1.1) (WF-1) (p53-inducible cell-survival factor) (p53CSV) | Triap1 15e1.1 | Q9D8Z2 | 1 |
| TRAF-interacting protein with FHA domain-containing protein A (TRAF2-binding protein) | Tifa T2bp | Q793I8 | 1 |
| TRAF3-interacting JNK-activating modulator (TRAF3-interacting protein 3) | Traf3ip3 T3jam | Q8C0G2 | 1 |
| Trafficking kinesin-binding protein 1 | Trak1 | Q6PD31 | 1 |
| Trafficking protein particle complex subunit 11 | Trappc11 | B2RXC1 | 1 |
| Trafficking protein particle complex subunit 13 | Trappc13 | Q3TIR1 | 1 |
| Trafficking protein particle complex subunit 6A (TRAPP complex subunit 6A) | Trappc6a | Q78XR0 | 1 |
| Trafficking protein particle complex subunit 9 (NIK- and IKBKB-binding protein) | Trappc9 Kiaa1882 Nibp | Q3U0M1 | 1 |
| Trans-1,2-dihydrobenzene-1,2-diol dehydrogenase (EC 1.3.1.20) (D-xylose 1-dehydrogenase) (D-xylose-NADP dehydrogenase) (EC 1.1.1.179) (Dimeric dihydrodiol dehydrogenase) | Dhdh | Q9DBB8 | 1 |
| Trans-Golgi network integral membrane protein 2 (TGN38B) | Tgoln2 Ttgn2 | Q62314 | 1 |
| Trans-L-3-hydroxyproline dehydratase (EC 4.2.1.77) (Trans-3-hydroxy-l-proline dehydratase) | L3hypdh | Q9CXA2 | 1 |
| Transcription elongation factor A N-terminal and central domain-containing protein (TFIIS central domain-containing protein 1) | Tceanc | Q3US16 | 1 |
| Transcription elongation factor A N-terminal and central domain-containing protein 2 | Tceanc2 Tdeanc2 | Q8R2M0 | 1 |
| Transcription elongation factor B polypeptide 1 (Elongin 15 kDa subunit) (Elongin-C) (EloC) (RNA polymerase II transcription factor SIII subunit C) (SIII p15) (Stromal membrane-associated protein SMAP1B homolog) | Tceb1 | P83940 | 1 |
| Transcription elongation factor SPT6 | Supt6h Kiaa0162 | Q62383 | 1 |
| Transcription elongation factor, mitochondrial | Tefm | Q5SSK3 | 1 |
| Transcription factor AP-2 gamma (AP2-gamma) (AP-2.2) (Activating enhancer-binding protein 2 gamma) | Tfap2c Tcfap2c | Q61312 | 1 |
| Transcription factor BTF3 homolog 4 (Basic transcription factor 3-like 4) | Btf3l4 | Q9CQH7 | 1 |
| Transcription factor COE3 (Early B-cell factor 3) (EBF-3) (Olf-1/EBF-like 2) (O/E-2) (OE-2) | Ebf3 Coe3 | O08791 | 1 |
| Transcription factor E2-alpha (Immunoglobulin enhancer-binding factor E12/E47) (Transcription factor 3) (TCF-3) (Transcription factor A1) | Tcf3 Alf2 Me2 Tcfe2a | P15806 | 1 |
| Transcription factor E2F3 (E2F-3) | E2f3 | O35261 | 1 |
| Transcription factor E3 | Tfe3 Tcfe3 | Q64092 | 1 |
| Transcription factor EB | Tfeb Tcfeb | Q9R210 | 1 |
| Transcription factor MafK (Erythroid transcription factor NF-E2 p18 subunit) | Mafk Nfe2u | Q61827 | 1 |
| Transcription factor RelB | Relb | Q04863 | 1 |
| Transcription factor RFX4 (Regulatory factor X 4) | Rfx4 | Q7TNK1 | 1 |
| Transcription factor SOX-11 | Sox11 Sox-11 | Q7M6Y2 | 1 |
| Transcription factor Sp3 | Sp3 | O70494 | 1 |
| Transcription factor Sp5 | Sp5 | Q9JHX2 | 1 |
| Transcription factor Sp6 (Epiprofin) (Krueppel-like factor 14) | Sp6 Epfn Klf14 | Q9ESX2 | 1 |
| Transcription factor Sp7 (C22) (Zinc finger protein osterix) | Sp7 Osx | Q8VI67 | 1 |
| Transcription initiation factor IIB (General transcription factor TFIIB) (RNA polymerase II alpha initiation factor) | Gtf2b | P62915 | 1 |
| Transcription initiation factor TFIID subunit 12 (Transcription initiation factor TFIID 20 kDa subunits) (TAFII-20) (TAFII20) | Taf12 | Q8VE65 | 1 |
| Transcription intermediary factor 1-alpha (TIF1-alpha) (EC 6.3.2.-) (E3 ubiquitin-protein ligase Trim24) (Tripartite motif-containing protein 24) | Trim24 Tif1 Tif1a | Q64127 | 1 |
| Transcription regulator protein BACH1 (BTB and CNC homolog 1) | Bach1 | P97302 | 1 |
| Transcriptional activator protein Pur-alpha (Purine-rich single-stranded DNA-binding protein alpha) | Pura | P42669 | 1 |
| Transcriptional adapter 3 (ADA3 homolog) (mADA3) (Transcriptional adapter 3-like) (ADA3-like protein) | Tada3 Ada3 Tada3l | Q8R0L9 | 1 |
| Transcriptional enhancer factor TEF-4 (ETEF-1) (Embryonic TEA domain-containing factor) (ETF) (TEA domain family member 2) (TEAD-2) | Tead2 Etdf Etf Tef4 | P48301 | 1 |
| Transcriptional regulator Kaiso (Zinc finger and BTB domain-containing protein 33) | Zbtb33 Kaiso | Q8BN78 | 1 |
| Transcriptional repressor CTCF (11-zinc finger protein) (CCCTC-binding factor) (CTCFL paralog) | Ctcf | Q61164 | 1 |
| Transcriptional repressor scratch 1 (Scratch homolog 1 zinc finger protein) (SCRT) (Scratch 1) (mScrt) | Scrt1 | Q99M85 | 1 |
| Transformation/transcription domain-associated protein | Trrap | E9QLK7 | 1 |
| Transforming acidic coiled-coil-containing protein 2 | Tacc2 MNCb-3527 | Q9JJG0 | 1 |
| Transforming growth factor beta-1-induced transcript 1 protein (Androgen receptor-associated protein of 55 kDa) (Hydrogen peroxide-inducible clone 5 protein) (Hic-5) (TGF beta-stimulated clone 5) (TSC-5) | Tgfb1i1 Ara55 | Q62219 | 1 |
| Transgelin (Actin-associated protein p27) (Smooth muscle protein 22-alpha) (SM22-alpha) | Tagln Sm22 Sm22a | P37804 | 1 |
| Transketolase (TK) (EC 2.2.1.1) (P68) | Tkt | P40142 | 1 |
| Translation initiation factor eIF-2B subunit beta (eIF-2B GDP-GTP exchange factor subunit beta) | Eif2b2 | Q99LD9 | 1 |
| Translation initiation factor IF-3, mitochondrial (IF-3(Mt)) (IF-3Mt) (IF3(mt)) (IF3mt) | Mtif3 | Q9CZD5 | 1 |
| Translin-associated protein X (Translin-associated factor X) | Tsnax Trax | Q9QZE7 | 1 |
| Translocation protein SEC62 (Translocation protein 1) (TP-1) | Sec62 Tloc1 | Q8BU14 | 1 |
| Transmembrane and coiled-coil domain-containing protein 1 | Tmco1 | Q921L3 | 1 |
| Transmembrane and coiled-coil domain-containing protein 4 | Tmco4 | Q91WU4 | 1 |
| Transmembrane and ubiquitin-like domain-containing protein 1 (Hepatocyte odd protein shuttling protein) | Tmub1 Hops | Q9JMG3 | 1 |
| Transmembrane channel-like protein 6 | Tmc6 | Q7TN60 | 1 |
| Transmembrane emp24 domain-containing protein 1 (Interleukin-1 receptor-like 1 ligand) (Putative T1/ST2 receptor-binding protein) (p24 family protein gamma-1) (p24gamma1) | Tmed1 Il1rl1l | Q3V009 | 1 |
| Transmembrane prostate androgen-induced protein | Pmepa1 | A2APF4 | 1 |
| Transmembrane protease serine 11G (EC 3.4.21.-) (Serine protease DESC4) [Cleaved into: Transmembrane protease serine 11G non-catalytic chain; Transmembrane protease serine 11G catalytic chain] | Tmprss11g Desc4 | Q8BZ10 | 1 |
| Transmembrane protein 106C | Tmem106c D15Ertd405e | Q80VP8 | 1 |
| Transmembrane protein 120A (Transmembrane protein induced by tumor necrosis factor alpha) | Tmem120a Tmpit | Q8C1E7 | 1 |
| Transmembrane protein 120B | Tmem120b | Q3TA38 | 1 |