| Cyclin-G2 | Ccng2 | O08918 | 1 |
| Cyclin-L1 (Cyclin-L) (Cyclin Ania-6a) | Ccnl1 Ania6a Ccn1 | Q52KE7 | 1 |
| Cyclin-related protein FAM58B (Cyclin-related protein FAM58A) | Fam58b Fam58a | Q8QZR8 | 1 |
| Cystatin-8 (Cystatin-related epididymal spermatogenic protein) (Cystatin-related epididymal-specific protein) | Cst8 Cres | P32766 | 1 |
| Cysteine and glycine-rich protein 3 (Cysteine-rich protein 3) (CRP3) (LIM domain protein, cardiac) (Muscle LIM protein) | Csrp3 Clp Mlp | P50462 | 1 |
| Cysteine protease ATG4C (EC 3.4.22.-) (AUT-like 3 cysteine endopeptidase) (Autophagin-3) (Autophagy-related cysteine endopeptidase 3) (Autophagy-related protein 4 homolog C) | Atg4c Apg4c Autl3 | Q811C2 | 1 |
| Cysteine protease ATG4D (EC 3.4.22.-) (AUT-like 4 cysteine endopeptidase) (Autophagin-4) (Autophagy-related cysteine endopeptidase 4) (Autophagy-related protein 4 homolog D) [Cleaved into: Cysteine protease ATG4D, mitochondrial] | Atg4d Apg4d Autl4 | Q8BGV9 | 1 |
| Cysteine-rich protein 1 (CRP-1) (Cysteine-rich intestinal protein) (CRIP) | Crip1 Crip | P63254 | 1 |
| Cysteine-rich secretory protein 1 (CRISP-1) (Acidic epididymal glycoprotein 1) (Sperm-coating glycoprotein 1) (SCP 1) | Crisp1 Aeg-1 Aeg1 | Q03401 | 1 |
| Cysteine-rich secretory protein LCCL domain-containing 2 (Coffeecrisp) | Crispld2 | Q8BZQ2 | 1 |
| Cystine/glutamate transporter (Amino acid transport system xc-) (Solute carrier family 7 member 11) (xCT) | Slc7a11 | Q9WTR6 | 1 |
| Cytochrome b ascorbate-dependent protein 3 (EC 1.-.-.-) (Cytochrome b561 family member A3) (Lysosomal cytochrome b) (LCytb) | Cyb561a3 Cybasc3 Lcytb | Q6P1H1 | 1 |
| Cytochrome b-c1 complex subunit 8 (Complex III subunit 8) (Complex III subunit VIII) (Ubiquinol-cytochrome c reductase complex 9.5 kDa protein) (Ubiquinol-cytochrome c reductase complex ubiquinone-binding protein QP-C) | Uqcrq | Q9CQ69 | 1 |
| Cytochrome b-c1 complex subunit Rieske, mitochondrial (EC 1.10.2.2) (Complex III subunit 5) (Cytochrome b-c1 complex subunit 5) (Rieske iron-sulfur protein) (RISP) (Ubiquinol-cytochrome c reductase iron-sulfur subunit) [Cleaved into: Cytochrome b-c1 complex subunit 11 (Complex III subunit IX) (Ubiquinol-cytochrome c reductase 8 kDa protein)] | Uqcrfs1 | Q9CR68 | 1 |
| Cytochrome b561 domain-containing protein 2 (Putative tumor suppressor protein 101F6) | Cyb561d2 101f6 | Q9WUE3 | 1 |
| Cytochrome c oxidase assembly factor 6 homolog | Coa6 | Q8BGD8 | 1 |
| Cytochrome c oxidase subunit 6B2 (Cytochrome c oxidase subunit VIb isoform 2) (COX VIb-2) (Cytochrome c oxidase subunit VIb, testis-specific isoform) | Cox6b2 | Q80ZN9 | 1 |
| Cytochrome c oxidase subunit 8A, mitochondrial (Cytochrome c oxidase polypeptide VIII-liver) (Cytochrome c oxidase subunit 8-2) | Cox8a Cox8 Cox8l | Q64445 | 1 |
| Cytochrome c oxidase subunit 8B, mitochondrial (Cytochrome c oxidase polypeptide VIII-heart) (Cytochrome c oxidase subunit 8-1) (Cytochrome c oxidase subunit 8H) | Cox8b Cox8h | P48772 | 1 |
| Cytochrome P450 1A2 (EC 1.14.14.1) (CYPIA2) (Cytochrome P450-P2) (Cytochrome P450-P3) | Cyp1a2 Cyp1a-2 | P00186 | 1 |
| Cytochrome P450 1B1 (EC 1.14.14.1) (CYPIB1) (Cytochrome P450CMEF) (Cytochrome P450EF) | Cyp1b1 Cyp1-b1 | Q64429 | 1 |
| Cytochrome P450 20A1 (EC 1.14.-.-) | Cyp20a1 | Q8BKE6 | 1 |
| Cytochrome P450 2C70 (EC 1.14.14.1) (CYPIIC70) | Cyp2c70 Cyp2c-70 Cyp2c22 | Q91W64 | 1 |
| Cytochrome P450 2U1 (EC 1.14.14.1) | Cyp2u1 | Q9CX98 | 1 |
| Cytochrome P450 3A25 (EC 1.14.14.1) (CYPIIIA25) | Cyp3a25 | O09158 | 1 |
| Cytochrome P450 4V2 (EC 1.14.13.-) | Cyp4v2 Cyp4v3 | Q9DBW0 | 1 |
| Cytohesin-2 (PH, SEC7 and coiled-coil domain-containing protein 2) (CLM2) (SEC7 homolog B) (mSec7-2) | Cyth2 Pscd2 Sec7b | P63034 | 1 |
| Cytohesin-4 (PH, SEC7 and coiled-coil domain-containing protein 4) | Cyth4 Pscd4 | Q80YW0 | 1 |
| Cytokine receptor common subunit gamma (Interleukin-2 receptor subunit gamma) (IL-2 receptor subunit gamma) (IL-2R subunit gamma) (IL-2RG) (gammaC) (p64) (CD antigen CD132) | Il2rg | P34902 | 1 |
| Cytokine-inducible SH2-containing protein (CIS) (CIS-1) (Suppressor of cytokine signaling) (SOCS) | Cish Cis | Q62225 | 1 |
| Cytokine-like protein C17 (Protein Cytl1) | Cytl1 4Cytl1 | A1E5L0 | 1 |
| Cytoplasmic dynein 2 heavy chain 1 (Cytoplasmic dynein 2 heavy chain) (Dynein cytoplasmic heavy chain 2) (Dynein heavy chain 11) (mDHC11) (Dynein heavy chain isotype 1B) | Dync2h1 Dhc1b Dnchc2 Kiaa1997 | Q45VK7 | 1 |
| Cytoplasmic polyadenylation element-binding protein 2 | Cpeb2 | E9Q5X2 | 1 |
| Cytoplasmic polyadenylation element-binding protein 3 (CPE-BP3) (CPE-binding protein 3) (mCPEB-3) | Cpeb3 Kiaa0940 | Q7TN99 | 1 |
| Cytoskeleton-associated protein 5 | Ckap5 | A2AGT5 | 1 |
| Cytosolic endo-beta-N-acetylglucosaminidase (ENGase) (EC 3.2.1.96) | Engase | Q8BX80 | 1 |
| Cytosolic phospholipase A2 beta | Pla2g4b | B7ZCM8 | 1 |
| Cytospin-A (SPECC1-like protein) (Sperm antigen with calponin homology and coiled-coil domains 1-like) | Specc1l Cytsa Kiaa0376 | Q2KN98 | 1 |
| D site-binding protein (Albumin D box-binding protein) (Albumin D-element-binding protein) | Dbp | Q60925 | 1 |
| D-2-hydroxyglutarate dehydrogenase, mitochondrial (EC 1.1.99.-) | D2hgdh | Q8CIM3 | 1 |
| D-aspartate oxidase (DASOX) (DDO) (EC 1.4.3.1) | Ddo | Q922Z0 | 1 |
| D-dopachrome decarboxylase (EC 4.1.1.84) (D-dopachrome tautomerase) | Ddt | O35215 | 1 |
| D-glucuronyl C5-epimerase (EC 5.1.3.17) (Heparan sulfate C5-epimerase) (Hsepi) (Heparin sulfate C5-epimerase) (Heparin/heparan sulfate:glucuronic acid C5-epimerase) (Heparosan-N-sulfate-glucuronate 5-epimerase) | Glce | Q9EPS3 | 1 |
| D-tyrosyl-tRNA(Tyr) deacylase 1 (EC 3.1.-.-) (DNA-unwinding element-binding protein B) (DUE-B) | Dtd1 Hars2 | Q9DD18 | 1 |
| DALR anticodon-binding domain-containing protein 3 | Dalrd3 | Q6PJN8 | 1 |
| DAZ-associated protein 1 (Deleted in azoospermia-associated protein 1) | Dazap1 | Q9JII5 | 1 |
| DCC-interacting protein 13-beta (Dip13-beta) (Adapter protein containing PH domain, PTB domain and leucine zipper motif 2) | Appl2 Dip13b Dip3b | Q8K3G9 | 1 |
| DCN1-like protein 3 (DCUN1 domain-containing protein 3) (Defective in cullin neddylation protein 1-like protein 3) | Dcun1d3 | Q8K0V2 | 1 |
| DDB1- and CUL4-associated factor 11 (WD repeat-containing protein 23) | Dcaf11 D14Ucla1 Wdr23 | Q91VU6 | 1 |
| DDB1- and CUL4-associated factor 12-like protein 1 (WD repeat-containing protein 40B) | Dcaf12l1 Wdr40b | Q8CBW4 | 1 |
| DDB1- and CUL4-associated factor 13 (WD repeat and SOF domain-containing protein 1) | Dcaf13 Gm83 Wdsof1 | Q6PAC3 | 1 |
| DDB1- and CUL4-associated factor 6 (IQ motif and WD repeat-containing protein 1) (Nuclear receptor interaction protein) (NRIP) | Dcaf6 Iqwd1 | Q9DC22 | 1 |
| DDRGK domain-containing protein 1 | Ddrgk1 | Q80WW9 | 1 |
| DEAH (Asp-Glu-Ala-His) box polypeptide 38 (Protein Dhx38) | Dhx38 | Q80X98 | 1 |
| Death domain-associated protein 6 (Daxx) | Daxx | O35613 | 1 |
| Death domain-containing membrane protein NRADD (Neurotrophin receptor homolog-2) (NRH2) (Neurotrophin receptor-alike death domain protein) | Nradd | Q8CJ26 | 1 |
| Death effector domain-containing protein (DEDPro1) | Dedd | Q9Z1L3 | 1 |
| Death-associated protein kinase 1 (DAP kinase 1) (EC 2.7.11.1) | Dapk1 | Q80YE7 | 1 |
| Death-associated protein kinase 2 (DAP kinase 2) (EC 2.7.11.1) (DAP-kinase-related protein 1) (DRP-1) | Dapk2 | Q8VDF3 | 1 |
| Dedicator of cytokinesis protein 5 (Lens rupture protein 2) (Rupture of lens cataract protein) | Dock5 Lr2 Rlc | B2RY04 | 1 |
| Deformed epidermal autoregulatory factor 1 homolog (Nuclear DEAF-1-related transcriptional regulator) (NUDR) | Deaf1 | Q9Z1T5 | 1 |
| Dehydrogenase/reductase member 2 (Protein Dhrs2) | Dhrs2 mCG_22493 | Q149L0 | 1 |
| Dehydrogenase/reductase SDR family member 7B (EC 1.1.-.-) | Dhrs7b | Q99J47 | 1 |
| Delta(14)-sterol reductase (Delta-14-SR) (EC 1.3.1.70) (C-14 sterol reductase) (C14SR) (Sterol C14-reductase) (Transmembrane 7 superfamily member 2) | Tm7sf2 | Q71KT5 | 1 |
| Delta(3,5)-Delta(2,4)-dienoyl-CoA isomerase, mitochondrial (EC 5.3.3.-) | Ech1 | O35459 | 1 |
| Density-regulated protein (DRP) | Denr | Q9CQJ6 | 1 |
| Deoxyguanosine kinase, mitochondrial (dGK) (EC 2.7.1.113) | Dguok Dgk | Q9QX60 | 1 |
| Deoxyhypusine hydroxylase (DOHH) (EC 1.14.99.29) (Deoxyhypusine dioxygenase) (Deoxyhypusine monooxygenase) | Dohh | Q99LN9 | 1 |
| Deoxyhypusine synthase (DHS) (EC 2.5.1.46) | Dhps | Q3TXU5 | 1 |
| Deoxyribonuclease-2-alpha (EC 3.1.22.1) (Acid DNase) (Deoxyribonuclease II alpha) (DNase II alpha) (Lysosomal DNase II) | Dnase2 Dnase2a Dnl2 | P56542 | 1 |
| DEP domain-containing protein 5 | Depdc5 Kiaa0645 | P61460 | 1 |
| Derlin-2 (Degradation in endoplasmic reticulum protein 2) (Der1-like protein 2) (F-LANa) | Derl2 Der2 Flana | Q8BNI4 | 1 |
| Dermatan-sulfate epimerase (DS epimerase) (EC 5.1.3.19) (Chondroitin-glucuronate 5-epimerase) (Squamous cell carcinoma antigen recognized by T-cells 2) (SART-2) | Dse Sart2 | Q8BLI4 | 1 |
| Developmentally-regulated GTP-binding protein 1 (DRG-1) (Neural precursor cell expressed developmentally down-regulated protein 3) (NEDD-3) | Drg1 Drg Nedd-3 Nedd3 | P32233 | 1 |
| Dexamethasone-induced protein (Protein MYLE) | Dexi Myle | Q9WUQ7 | 1 |
| Dexamethasone-induced Ras-related protein 1 | Rasd1 Dexras1 | O35626 | 1 |
| Diacylglycerol kinase beta (DAG kinase beta) (EC 2.7.1.107) (Diglyceride kinase beta) (DGK-beta) | Dgkb Kiaa0718 | Q6NS52 | 1 |
| Diacylglycerol kinase theta (DAG kinase theta) (EC 2.7.1.107) (Diglyceride kinase theta) (DGK-theta) | Dgkq | Q6P5E8 | 1 |
| Diamine acetyltransferase 2 (EC 2.3.1.57) (Polyamine N-acetyltransferase 2) (Spermidine/spermine N(1)-acetyltransferase 2) | Sat2 Ssat2 | Q6P8J2 | 1 |
| Dihydroorotate dehydrogenase (quinone), mitochondrial (DHOdehase) (EC 1.3.5.2) (Dihydroorotate oxidase) | Dhodh | O35435 | 1 |
| Dimethylaniline monooxygenase [N-oxide-forming] 2 (EC 1.14.13.8) (Dimethylaniline oxidase 2) (Pulmonary flavin-containing monooxygenase 2) (FMO 2) | Fmo2 | Q8K2I3 | 1 |
| Dimethylaniline monooxygenase [N-oxide-forming] 5 (EC 1.14.13.8) (Dimethylaniline oxidase 5) (Hepatic flavin-containing monooxygenase 5) (FMO 5) | Fmo5 | P97872 | 1 |
| Dipeptidase 1 (EC 3.4.13.19) (Membrane-bound dipeptidase 1) (MBD-1) (Microsomal dipeptidase) (Renal dipeptidase) | Dpep1 Mbd1 Rdp | P31428 | 1 |
| Dipeptidyl peptidase 1 (EC 3.4.14.1) (Cathepsin C) (Cathepsin J) (Dipeptidyl peptidase I) (DPP-I) (DPPI) (Dipeptidyl transferase) [Cleaved into: Dipeptidyl peptidase 1 exclusion domain chain (Dipeptidyl peptidase I exclusion domain chain); Dipeptidyl peptidase 1 heavy chain (Dipeptidyl peptidase I heavy chain); Dipeptidyl peptidase 1 light chain (Dipeptidyl peptidase I light chain)] | Ctsc | P97821 | 1 |
| Dipeptidyl peptidase 2 (EC 3.4.14.2) (Dipeptidyl aminopeptidase II) (Dipeptidyl peptidase 7) (Dipeptidyl peptidase II) (DPP II) (Quiescent cell proline dipeptidase) | Dpp7 Dpp2 Qpp | Q9ET22 | 1 |
| Diphthine--ammonia ligase (EC 6.3.1.14) (ATP-binding domain-containing protein 4) (Diphthamide synthase) (Diphthamide synthetase) (Protein DPH6 homolog) | Dph6 Atpbd4 | Q9CQ28 | 1 |
| Disabled homolog 2-interacting protein (DAB2-interacting protein) (ASK-interacting protein 1) (DOC-2/DAB-2 interactive protein) | Dab2ip Kiaa1743 | Q3UHC7 | 1 |
| Discoidin domain-containing receptor 2 (Discoidin domain receptor 2) (EC 2.7.10.1) (CD167 antigen-like family member B) (Neurotrophic tyrosine kinase, receptor-related 3) (Receptor protein-tyrosine kinase TKT) (Tyrosine-protein kinase TYRO10) (CD antigen CD167b) | Ddr2 Ntrkr3 Tkt Tyro10 | Q62371 | 1 |
| Disintegrin and metalloproteinase domain-containing protein 10 (ADAM 10) (EC 3.4.24.81) (Kuzbanian protein homolog) (Mammalian disintegrin-metalloprotease) (CD antigen CD156c) | Adam10 Kuz Madm | O35598 | 1 |
| Disintegrin and metalloproteinase domain-containing protein 32 (ADAM 32) | Adam32 | Q8K410 | 1 |
| Disintegrin and metalloproteinase domain-containing protein 9 (ADAM 9) (EC 3.4.24.-) (Meltrin-gamma) (Metalloprotease/disintegrin/cysteine-rich protein 9) (Myeloma cell metalloproteinase) | Adam9 Kiaa0021 Mdc9 Mltng | Q61072 | 1 |
| Disks large homolog 1 (Embryo-dlg/synapse-associated protein 97) (E-dlg/SAP97) (Synapse-associated protein 97) (SAP-97) (SAP97) | Dlg1 Dlgh1 | Q811D0 | 1 |
| Disks large-associated protein 4 (DAP-4) (PSD-95/SAP90-binding protein 4) (SAP90/PSD-95-associated protein 4) (SAPAP-4) | Dlgap4 Kiaa0964 Sapap4 | B1AZP2 | 1 |
| DmX-like protein 2 | Dmxl2 | B0V2P5 | 1 |
| DNA damage-binding protein 1 (DDB p127 subunit) (Damage-specific DNA-binding protein 1) (UV-damaged DNA-binding factor) | Ddb1 | Q3U1J4 | 1 |
| DNA endonuclease RBBP8 (EC 3.1.-.-) (CtBP-interacting protein) (CtIP) (Retinoblastoma-binding protein 8) (RBBP-8) (Retinoblastoma-interacting protein and myosin-like) (RIM) (Sporulation in the absence of SPO11 protein 2 homolog) (SAE2) | Rbbp8 Ctip | Q80YR6 | 1 |
| DNA excision repair protein ERCC-8 (Cockayne syndrome WD repeat protein CSA homolog) | Ercc8 Ckn1 Csa | Q8CFD5 | 1 |
| DNA fragmentation factor subunit alpha (DNA fragmentation factor 45 kDa subunit) (DFF-45) (Inhibitor of CAD) (ICAD) | Dffa Icad | O54786 | 1 |
| DNA helicase INO80 (EC 3.6.4.12) (INO80 complex subunit A) (Putative DNA helicase INO80 complex homolog 1) | Ino80 Inoc1 Kiaa1259 | Q6ZPV2 | 1 |
| DNA ligase 1 (EC 6.5.1.1) (DNA ligase I) (Polydeoxyribonucleotide synthase [ATP] 1) | Lig1 Lig-1 | P37913 | 1 |