| UPF0690 protein C1orf52 homolog | 0 | Q9CWU4 | 1 |
| UPF0729 protein C18orf32 homolog | 0 | Q91WE4 | 1 |
| UPF0762 protein C6orf58 homolog | 0 | Q8C6C9 | 1 |
| Upstream-binding protein 1 (Nuclear factor 2d9) (NF2d9) | Ubp1 Cp2b Nf2d9 | Q811S7 | 1 |
| Uracil-DNA glycosylase (UDG) (EC 3.2.2.27) | Ung Ung1 | P97931 | 1 |
| Uridine 5'-monophosphate synthase (UMP synthase) [Includes: Orotate phosphoribosyltransferase (OPRTase) (EC 2.4.2.10); Orotidine 5'-phosphate decarboxylase (EC 4.1.1.23) (OMPdecase)] | Umps | P13439 | 1 |
| Uronyl 2-sulfotransferase (EC 2.8.2.-) | Ust | Q8BUB6 | 1 |
| Uroporphyrinogen decarboxylase (UPD) (URO-D) (EC 4.1.1.37) | Urod | P70697 | 1 |
| Uroporphyrinogen-III synthase (UROIIIS) (UROS) (EC 4.2.1.75) (Hydroxymethylbilane hydrolyase [cyclizing]) (Uroporphyrinogen-III cosynthase) | Uros Uros3 | P51163 | 1 |
| Uteroglobin (Clara cell 17 kDa protein) (Clara cell phospholipid-binding protein) (CCPBP) (Clara cells 10 kDa secretory protein) (CC10) (PCB-binding protein) (Secretoglobin family 1A member 1) | Scgb1a1 Cc10 Ugb Utg | Q06318 | 1 |
| Uveal autoantigen with coiled-coil domains and ankyrin repeats (Nuclear membrane-binding protein) (Nucling) | Uaca Kiaa1561 | Q8CGB3 | 1 |
| V-set and transmembrane domain-containing protein 2A | Vstm2a Vstm2 | Q8R0A6 | 1 |
| V-type proton ATPase 16 kDa proteolipid subunit | Mvp | E9Q3X0 | 1 |
| V-type proton ATPase subunit e 1 (V-ATPase subunit e 1) (Vacuolar proton pump subunit e 1) | Atp6v0e1 Atp6v0e | Q9CQD8 | 1 |
| V-type proton ATPase subunit e 2 (V-ATPase subunit e 2) (Vacuolar proton pump subunit e 2) | Atp6v0e2 | Q91XE7 | 1 |
| V-type proton ATPase subunit S1 (V-ATPase subunit S1) (Protein C7-1) (V-ATPase Ac45 subunit) (V-ATPase S1 accessory protein) (Vacuolar proton pump subunit S1) | Atp6ap1 Atp6ip1 Atp6s1 | Q9R1Q9 | 1 |
| Vacuolar protein sorting 16 (Yeast) (Vacuolar protein sorting-associated protein 16 homolog) | Vps16 mCG_9913 | G3X8X7 | 1 |
| Vacuolar protein sorting-associated protein 13B (Cohen syndrome protein 1 homolog) | Vps13b Coh1 Kiaa0532 | Q80TY5 | 1 |
| Vacuolar protein sorting-associated protein 26A (H58 protein) (H beta 58) (Vesicle protein sorting 26A) (mVPS26) | Vps26a Vps26 | P40336 | 1 |
| Vacuolar protein sorting-associated protein 26B (Vesicle protein sorting 26B) | Vps26b | Q8C0E2 | 1 |
| Vacuolar protein sorting-associated protein 37A (Vps37A) (ESCRT-I complex subunit VPS37A) | Vps37a | Q8CHS8 | 1 |
| Vacuolar protein sorting-associated protein 8 homolog | Vps8 | D3YUP0 | 1 |
| Vacuolar protein sorting-associated protein VTA1 homolog (SKD1-binding protein 1) (SBP1) | Vta1 | Q9CR26 | 1 |
| Vacuolar-sorting protein SNF8 (ESCRT-II complex subunit VPS22) | Snf8 D11Moh34 | Q9CZ28 | 1 |
| Vam6/Vps39-like protein | Vps39 Pldn Vam6 | Q8R5L3 | 1 |
| Vascular endothelial growth factor D (VEGF-D) (c-Fos-induced growth factor) (FIGF) | Figf Vegfd | P97946 | 1 |
| Vascular endothelial growth factor receptor 1 (VEGFR-1) (EC 2.7.10.1) (Embryonic receptor kinase 2) (Fms-like tyrosine kinase 1) (FLT-1) (Tyrosine-protein kinase receptor FLT) | Flt1 Emrk2 Flt Vegfr1 | P35969 | 1 |
| Vascular endothelial growth factor receptor 3 (VEGFR-3) (EC 2.7.10.1) (Fms-like tyrosine kinase 4) (FLT-4) (Tyrosine-protein kinase receptor FLT4) | Flt4 Flt-4 Vegfr3 | P35917 | 1 |
| Vasodilator-stimulated phosphoprotein (VASP) | Vasp | P70460 | 1 |
| Versican core protein | Vcan | E9PYH0 | 1 |
| Very long-chain specific acyl-CoA dehydrogenase, mitochondrial (EC 1.3.8.9) (MVLCAD) (VLCAD) | Acadvl Vlcad | P50544 | 1 |
| Very-long-chain (3R)-3-hydroxyacyl-[acyl-carrier protein] dehydratase 3 (EC 4.2.1.134) (3-hydroxyacyl-CoA dehydratase 3) (HACD3) (Butyrate-induced protein 1) (B-ind1) (Protein tyrosine phosphatase-like protein PTPLAD1) (Protein-tyrosine phosphatase-like A domain-containing protein 1) | ptplad1 hacd3 | Q8K2C9 | 1 |
| Vesicle-associated membrane protein 2 (VAMP-2) (Synaptobrevin-2) | Vamp2 Syb2 | P63044 | 1 |
| Vesicle-associated membrane protein 4 (Vesicle-associated membrane protein 4, isoform CRA_c) | Vamp4 mCG_22688 | Q8BSN6 | 1 |
| Vesicle-associated membrane protein 7 (VAMP-7) (Synaptobrevin-like protein 1) | Vamp7 Sybl1 | P70280 | 1 |
| Vesicle-trafficking protein SEC22c (SEC22 vesicle trafficking protein-like 3) (SEC22 vesicle-trafficking protein homolog C) | Sec22c Sec22l3 | Q8BXT9 | 1 |
| Vesicular glutamate transporter 1 (VGluT1) (Brain-specific Na(+)-dependent inorganic phosphate cotransporter) (Solute carrier family 17 member 7) | Slc17a7 Bnpi Vglut1 | Q3TXX4 | 1 |
| Vimentin-type intermediate filament-associated coiled-coil protein | Vmac | Q8BP01 | 1 |
| VIP36-like protein (Lectin mannose-binding 2-like) (LMAN2-like protein) | Lman2l Vipl | P59481 | 1 |
| Vitamin D 25-hydroxylase (EC 1.14.13.15) (Cytochrome P450 2R1) | Cyp2r1 | Q6VVW9 | 1 |
| Vitamin K-dependent protein S | Pros1 Pros | Q08761 | 1 |
| Voltage-dependent anion-selective channel protein 2 (VDAC-2) (mVDAC2) (Outer mitochondrial membrane protein porin 2) (Voltage-dependent anion-selective channel protein 6) (VDAC-6) (mVDAC6) | Vdac2 Vdac6 | Q60930 | 1 |
| Voltage-dependent calcium channel gamma-6 subunit (Neuronal voltage-gated calcium channel gamma-6 subunit) | Cacng6 | Q8VHW3 | 1 |
| Voltage-dependent calcium channel subunit alpha-2/delta-1 (Voltage-gated calcium channel subunit alpha-2/delta-1) [Cleaved into: Voltage-dependent calcium channel subunit alpha-2-1; Voltage-dependent calcium channel subunit delta-1] | Cacna2d1 Cacna2 | O08532 | 1 |
| Voltage-dependent calcium channel subunit alpha-2/delta-3 (Voltage-gated calcium channel subunit alpha-2/delta-3) [Cleaved into: Voltage-dependent calcium channel subunit alpha-2-3; Voltage-dependent calcium channel subunit delta-3] | Cacna2d3 | Q9Z1L5 | 1 |
| Voltage-gated hydrogen channel 1 (Hydrogen voltage-gated channel 1) (HV1) (Voltage sensor domain-only protein) (mVSOP) | Hvcn1 Bts Vsop | Q3U2S8 | 1 |
| Voltage-gated potassium channel subunit beta-2 (K(+) channel subunit beta-2) (Kv-beta-2) (Neuroimmune protein F5) | Kcnab2 Ckbeta2 I2rf5 Kcnb3 | P62482 | 1 |
| Vomeromodulin | 0 | Q80XI7 | 1 |
| Vomeronasal secretory protein 2 (Lipocalin-4) (Vomeronasal secretory protein II) (VNSP II) | Lcn4 | Q62472 | 1 |
| von Willebrand factor A domain-containing protein 5A (Loss of heterozygosity 11 chromosomal region 2 gene A protein homolog) | Vwa5a Loh11cr2a | Q99KC8 | 1 |
| von Willebrand factor A domain-containing protein 9 | Vwa9 | Q8R3P6 | 1 |
| von Willebrand factor C domain-containing protein 2-like (Brorin-like) | Vwc2l | Q505H4 | 1 |
| VWFA and cache domain-containing protein 1 (Cache domain-containing protein 1) | Cachd1 Kiaa1573 Vwcd1 | Q6PDJ1 | 1 |
| WAP four-disulfide core domain protein 12 (Elafin-like protein II) (Single WAP motif protein 2) (Whey acidic protein 2) | Wfdc12 Swam2 | Q9JHY3 | 1 |
| WAP four-disulfide core domain protein 2 (WAP domain-containing protein HE4) | Wfdc2 He4 | Q9DAU7 | 1 |
| WAS protein family homolog 1 | Wash1 Orf19 Wash | Q8VDD8 | 1 |
| WASH complex subunit 7 | Kiaa1033 | Q3UMB9 | 1 |
| WD repeat and FYVE domain-containing protein 2 (WD40- and FYVE domain-containing protein 2) | Wdfy2 | Q8BUB4 | 1 |
| WD repeat and FYVE domain-containing protein 3 (Beach domain, WD repeat and FYVE domain-containing protein 1) (BWF1) | Wdfy3 | Q6VNB8 | 1 |
| WD repeat domain phosphoinositide-interacting protein 4 (WIPI-4) (WD repeat domain X-linked 1) (WD repeat-containing protein 45) | Wdr45 DXImx38e Wdrx1 Wipi4 | Q91VM3 | 1 |
| WD repeat, SAM and U-box domain-containing protein 1 | Wdsub1 | Q9D0I6 | 1 |
| WD repeat-containing protein 13 | Wdr13 | Q91V09 | 1 |
| WD repeat-containing protein 19 | Wdr19 Kiaa1638 | Q3UGF1 | 1 |
| WD repeat-containing protein 3 | Wdr3 | Q8BHB4 | 1 |
| WD repeat-containing protein 35 | Wdr35 | Q8BND3 | 1 |
| WD repeat-containing protein 41 | Wdr41 | Q3UDP0 | 1 |
| WD repeat-containing protein 47 (Neuronal enriched MAP interacting protein) (Nemitin) | Wdr47 Kiaa0893 | Q8CGF6 | 1 |
| WD repeat-containing protein 53 | Wdr53 | Q9DB94 | 1 |
| WD repeat-containing protein 59 (CUL4- and DDB1-associated WDR protein 12) | Wdr59 Cdw12 Kiaa1923 | Q8C0M0 | 1 |
| WD repeat-containing protein 6 (mWDR6) | Wdr6 | Q99ME2 | 1 |
| WD repeat-containing protein 7 (TGF-beta resistance-associated protein TRAG) | Wdr7 Kiaa0541 Trag | Q920I9 | 1 |
| WD repeat-containing protein 73 | Wdr73 | Q9CWR1 | 1 |
| WD repeat-containing protein 74 | Wdr74 | Q8VCG3 | 1 |
| WD repeat-containing protein 82 | Wdr82 Cdw5 | Q8BFQ4 | 1 |
| WD repeat-containing protein 91 | Wdr91 | Q7TMQ7 | 1 |
| WD repeat-containing protein 92 (WD repeat-containing protein Monad) | Wdr92 | Q8BGF3 | 1 |
| Wee1-like protein kinase (EC 2.7.10.2) (Wee1A kinase) | Wee1 | P47810 | 1 |
| Wee1-like protein kinase 2 (EC 2.7.10.2) (Wee1-like protein kinase 1B) (Wee1B kinase) (mWee1B) | Wee2 Wee1b | Q66JT0 | 1 |
| Whirlin | Dfnb31 Kiaa1526 Whrn | Q80VW5 | 1 |
| Wnt inhibitory factor 1 (WIF-1) | Wif1 | Q9WUA1 | 1 |
| WNT1-inducible-signaling pathway protein 1 (WISP-1) (CCN family member 4) (ELM-1) | Wisp1 Ccn4 Elm1 | O54775 | 1 |
| WW domain-binding protein 2 (WBP-2) | Wbp2 | P97765 | 1 |
| WW domain-binding protein 5 (WBP-5) (Schlafen 8-interacting protein) | Wbp5 | Q9DD24 | 1 |
| X-linked lymphocyte-regulated gene 4 | Xlr4b Xlr4 | Q9JJQ4 | 1 |
| X-linked lymphocyte-regulated protein 3C | Xlr3c | B1B0S0 | 1 |
| X-linked retinitis pigmentosa GTPase regulator-interacting protein 1 (RPGR-interacting protein 1) | Rpgrip1 | Q9EPQ2 | 1 |
| Xenotropic and polytropic retrovirus receptor 1 (Protein SYG1 homolog) (Rmc-1) | Xpr1 Syg1 | Q9Z0U0 | 1 |
| XIAP-associated factor 1 (BIRC4-binding protein) | Xaf1 Birc4bp Xiapaf1 | Q5NBU8 | 1 |
| Y-box-binding protein 3 (Cold shock domain-containing protein A) (DNA-binding protein A) (Y-box protein 3) | Ybx3 Csda Msy4 | Q9JKB3 | 1 |
| YEATS domain-containing protein 2 | Yeats2 Kiaa1197 | Q3TUF7 | 1 |
| YEATS domain-containing protein 4 | Yeats4 | Q9CR11 | 1 |
| YjeF N-terminal domain-containing protein 3 (YjeF_N3) (hYjeF_N3) | Yjefn3 | F6W8I0 | 1 |
| YLP motif-containing protein 1 | Ylpm1 | D3YWX2 | 1 |
| Yorkie homolog (65 kDa Yes-associated protein) (YAP65) | Yap1 Yap Yap65 | P46938 | 1 |
| YrdC domain-containing protein, mitochondrial (Ischemia/reperfusion-inducible protein) (mIRIP) | Yrdc Irip | Q3U5F4 | 1 |
| Z-DNA-binding protein 1 (DNA-dependent activator of IFN-regulatory factors) (DAI) (Tumor stroma and activated macrophage protein DLM-1) | Zbp1 Dlm1 | Q9QY24 | 1 |
| Zfp219 protein (Zinc finger protein 219, isoform CRA_b) | Zfp219 mCG_18709 | Q4VA98 | 1 |
| Zinc finger and BTB domain-containing protein 44 (BTB/POZ domain-containing protein 15) | Zbtb44 Btbd15 | Q8R0A2 | 1 |
| Zinc finger and BTB domain-containing protein 6 (Zinc finger protein 482) | Zbtb6 Zfp482 Znf482 | Q8K088 | 1 |
| Zinc finger and BTB domain-containing protein 7B (Krueppel-related zinc finger protein cKrox) (c-Krox) (T-helper-inducing POZ/Krueppel-like factor) (Zinc finger protein 67) (Zfp-67) (Zinc finger protein Th-POK) | Zbtb7b Thpok Zfp67 | Q64321 | 1 |