| COP9 signalosome complex subunit 7b (SGN7b) (Signalosome subunit 7b) (JAB1-containing signalosome subunit 7b) | Cops7b Csn7b | Q8BV13 | 3 |
| Copine-4 (Copine IV) | Cpne4 | Q8BLR2 | 3 |
| Copine-5 (Copine V) | Cpne5 | Q8JZW4 | 3 |
| Copine-8 (Copine VIII) | Cpne8 | Q9DC53 | 3 |
| Copper-transporting ATPase 1 (EC 3.6.3.54) (Copper pump 1) (Menkes disease-associated protein homolog) | Atp7a Mnk | Q64430 | 3 |
| Coproporphyrinogen-III oxidase, mitochondrial (COX) (Coprogen oxidase) (Coproporphyrinogenase) (EC 1.3.3.3) | Cpox Cpo | P36552 | 3 |
| Corneodesmosin | Cdsn | Q7TPC1 | 3 |
| Coronin-1C (Coronin-3) | Coro1c | Q9WUM4 | 3 |
| COUP transcription factor 1 (COUP-TF1) (COUP transcription factor I) (COUP-TF I) (Nuclear receptor subfamily 2 group F member 1) (V-erbA-related protein 3) (EAR-3) | Nr2f1 Erbal3 Tfcoup1 | Q60632 | 3 |
| COUP transcription factor 2 (COUP-TF2) (Apolipoprotein AI regulatory protein 1) (ARP-1) (COUP transcription factor II) (COUP-TF II) (Nuclear receptor subfamily 2 group F member 2) | Nr2f2 Aporp1 Arp-1 Arp1 Tfcoup2 | P43135 | 3 |
| CREB-regulated transcription coactivator 3 (Transducer of regulated cAMP response element-binding protein 3) (TORC-3) (Transducer of CREB protein 3) | Crtc3 Torc3 | Q91X84 | 3 |
| CRKD-binding protein (Protein B430306N03Rik) (Triggering receptor expressed on myeloid cells-like 6) | B430306N03Rik Crkr Treml6 | Q6QX36 | 3 |
| CUE domain-containing protein 2 | Cuedc2 | Q9CXX9 | 3 |
| Cyclin-D-binding Myb-like transcription factor 1 (Cyclin-D-interacting Myb-like protein 1) (mDmp1) | Dmtf1 Dmp1 | Q8CE22 | 3 |
| Cyclin-dependent kinase 1 (CDK1) (EC 2.7.11.22) (EC 2.7.11.23) (Cell division control protein 2 homolog) (Cell division protein kinase 1) (p34 protein kinase) | Cdk1 Cdc2 Cdc2a Cdkn1 | P11440 | 3 |
| Cyclin-dependent kinase 2-associated protein 2 (CDK2-associated protein 2) (DOC-1-related protein) (DOC-1R) | Cdk2ap2 D19Ertd144e Doc1r | Q9CPY4 | 3 |
| Cyclin-dependent kinase 4 (EC 2.7.11.22) (CRK3) (Cell division protein kinase 4) (PSK-J3) | Cdk4 Crk3 | P30285 | 3 |
| Cyclin-dependent kinase inhibitor 1C (Cyclin-dependent kinase inhibitor p57) (p57Kip2) | Cdkn1c Kip2 | P49919 | 3 |
| Cyclin-dependent kinases regulatory subunit 1 (CKS-1) (Sid 1334) | Cks1b Cks1 Sid1334 | P61025 | 3 |
| Cyclin-F | Ccnf | P51944 | 3 |
| Cyclin-K | Ccnk | Q3U3M5 | 3 |
| Cyclin-T1 (CycT1) (Cyclin-T) | Ccnt1 | Q9QWV9 | 3 |
| Cystathionine beta-synthase (EC 4.2.1.22) (Beta-thionase) (Serine sulfhydrase) | Cbs | Q91WT9 | 3 |
| Cystatin-C (Cystatin-3) | Cst3 | P21460 | 3 |
| Cysteine-rich hydrophobic domain 1 protein (Brain X-linked protein) | Chic1 Brx | Q8CBW7 | 3 |
| Cysteine-rich with EGF-like domain protein 1 | Creld1 | Q91XD7 | 3 |
| Cysteine-rich with EGF-like domain protein 2 | Creld2 | Q9CYA0 | 3 |
| Cysteinyl leukotriene receptor 2 (CysLTR2) | Cysltr2 Cyslt2 | Q920A1 | 3 |
| Cystinosin | Ctns | P57757 | 3 |
| Cytidine monophosphate-N-acetylneuraminic acid hydroxylase (CMP-N-acetylneuraminic acid hydroxylase) (EC 1.14.18.2) (CMP-N-acetylneuraminate monooxygenase) (CMP-Neu5Ac hydroxylase) (CMP-NeuAc hydroxylase) | Cmah | Q61419 | 3 |
| Cytochrome b5 | Cyb5a Cyb5 | P56395 | 3 |
| Cytochrome b5 reductase 4 (EC 1.6.2.2) (Flavohemoprotein b5/b5R) (b5+b5R) (N-terminal cytochrome b5 and cytochrome b5 oxidoreductase domain-containing protein) (cb5/cb5R) | Cyb5r4 Ncb5or | Q3TDX8 | 3 |
| Cytochrome c oxidase assembly protein 3 homolog, mitochondrial (Coiled-coil domain-containing protein 56) | Coa3 Ccdc56 | Q9D2R6 | 3 |
| Cytochrome c oxidase assembly protein COX14 | Cox14 | Q8BH51 | 3 |
| Cytochrome c oxidase assembly protein COX19 | Cox19 | Q8K0C8 | 3 |
| Cytochrome c oxidase protein 20 homolog | Cox20 Fam36a | Q9D7J4 | 3 |
| Cytochrome c oxidase subunit 6C (Cytochrome c oxidase polypeptide VIc) | Cox6c | Q9CPQ1 | 3 |
| Cytochrome c1, heme protein, mitochondrial (Complex III subunit 4) (Complex III subunit IV) (Cytochrome b-c1 complex subunit 4) (Ubiquinol-cytochrome-c reductase complex cytochrome c1 subunit) (Cytochrome c-1) | Cyc1 | Q9D0M3 | 3 |
| Cytochrome P450 2D9 (EC 1.14.14.1) (CYPIID9) (Cytochrome P450-16-alpha) (Cytochrome P450CA) (Testosterone 16-alpha hydroxylase) | Cyp2d9 Cyp2d-9 | P11714 | 3 |
| Cytochrome P450 4B1 (EC 1.14.14.1) (CYPIVB1) | Cyp4b1 | Q64462 | 3 |
| Cytochrome P450 4X1 (EC 1.14.14.1) (CYPIVX1) | Cyp4x1 | Q6A152 | 3 |
| Cytochrome P450 CYP4F16 (Cytochrome P450, family 4, subfamily f, polypeptide 16) (MCG14244, isoform CRA_a) (Protein Cyp4f16) | Cyp4f16 mCG_14244 | Q99N17 | 3 |
| Cytokine receptor-like factor 2 (Cytokine receptor-like molecule 2) (CRLM-2) (Thymic stromal lymphopoietin protein receptor) (TSLP receptor) (Type I cytokine receptor delta 1) | Crlf2 Crlm2 Tpte2 Tslpr | Q8CII9 | 3 |
| Cytoplasmic protein NCK2 (Growth factor receptor-bound protein 4) (NCK adaptor protein 2) (Nck-2) (SH2/SH3 adaptor protein NCK-beta) | Nck2 Grb4 | O55033 | 3 |
| Cytosolic 10-formyltetrahydrofolate dehydrogenase (10-FTHFDH) (FDH) (EC 1.5.1.6) (Aldehyde dehydrogenase family 1 member L1) | Aldh1l1 Fthfd | Q8R0Y6 | 3 |
| Cytosolic 5'-nucleotidase 3A (EC 3.1.3.5) (Cytosolic 5'-nucleotidase 3) (Cytosolic 5'-nucleotidase III) (cN-III) (Lupin) (Pyrimidine 5'-nucleotidase 1) (P5'N-1) (P5N-1) (PN-I) | Nt5c3a Nt5c3 | Q9D020 | 3 |
| DAZ-associated protein 2 (Deleted in azoospermia-associated protein 2) (Proline-rich protein expressed in brain) | Dazap2 Prtb | Q9DCP9 | 3 |
| DCN1-like protein 5 (DCUN1 domain-containing protein 5) (Defective in cullin neddylation protein 1-like protein 5) | Dcun1d5 | Q9CXV9 | 3 |
| DDB1- and CUL4-associated factor 7 (WD repeat-containing protein 68) (WD repeat-containing protein An11 homolog) | Dcaf7 Han11 Wdr68 | P61963 | 3 |
| Dead end protein homolog 1 (RNA-binding motif, single-stranded-interacting protein 4) | Dnd1 Rbms4 Ter | Q6VY05 | 3 |
| Decidual PRL-related protein (Decidual/trophoblast prolactin-related protein, isoform CRA_a) (Protein Prl8a2) | Prl8a2 dPRP Dtprp mCG_4896 | O54832 | 3 |
| Dehydrogenase/reductase SDR family member 1 (EC 1.1.-.-) | Dhrs1 D14ertd484e | Q99L04 | 3 |
| Delta(24)-sterol reductase (EC 1.3.1.72) (24-dehydrocholesterol reductase) (3-beta-hydroxysterol delta-24-reductase) | Dhcr24 Kiaa0018 | Q8VCH6 | 3 |
| Delta-aminolevulinic acid dehydratase (ALADH) (EC 4.2.1.24) (Porphobilinogen synthase) | Alad Lv | P10518 | 3 |
| DENN domain-containing protein 1C (Connecdenn 3) | Dennd1c | Q8CFK6 | 3 |
| Deoxynucleotidyltransferase terminal-interacting protein 1 (Terminal deoxynucleotidyltransferase-interacting factor 1) (TdIF1) (TdT-interacting factor 1) | Dnttip1 Tdif1 | Q99LB0 | 3 |
| Dephospho-CoA kinase domain-containing protein | Dcakd | Q8BHC4 | 3 |
| Desmocollin-3 | Dsc3 | P55850 | 3 |
| Destrin (Actin-depolymerizing factor) (ADF) (Sid 23) | Dstn Dsn Sid23 | Q9R0P5 | 3 |
| DET1- and DDB1-associated protein 1 | Dda1 | Q9D9Z5 | 3 |
| Deubiquitinating protein VCIP135 (EC 3.4.19.12) (Valosin-containing protein p97/p47 complex-interacting protein 1) (Valosin-containing protein p97/p47 complex-interacting protein p135) | Vcpip1 Vcip135 | Q8CDG3 | 3 |
| Developmental pluripotency-associated protein 2 (Embryonic stem cell-associated transcript 15-2 protein) (ECAT15-2) (Pluripotent embryonic stem cell-related gene 1 protein) | Dppa2 Phsecrg1 | Q9CWH0 | 3 |
| Developmental pluripotency-associated protein 5A (mDppa5) (ES cell-associated transcript 2 protein) (Embryonal stem cell-specific gene 1 protein) (ESG-1) (Protein pH 34) | Dppa5a Dppa5 Ecat2 Esg1 Ph34 | Q9CQS7 | 3 |
| Diacylglycerol O-acyltransferase 2 (EC 2.3.1.20) (Acyl-CoA retinol O-fatty-acyltransferase) (ARAT) (Retinol O-fatty-acyltransferase) (EC 2.3.1.76) (Diglyceride acyltransferase 2) | Dgat2 | Q9DCV3 | 3 |
| Dihydrofolate reductase (EC 1.5.1.3) | Dhfr | P00375 | 3 |
| Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex, mitochondrial (EC 2.3.1.12) (Dihydrolipoamide acetyltransferase component of pyruvate dehydrogenase complex) (Pyruvate dehydrogenase complex component E2) (PDC-E2) (PDCE2) | Dlat | Q8BMF4 | 3 |
| Dihydropteridine reductase (EC 1.5.1.34) (HDHPR) (Quinoid dihydropteridine reductase) | Qdpr Dhpr | Q8BVI4 | 3 |
| Dimethylaniline monooxygenase [N-oxide-forming] 1 (EC 1.14.13.8) (Dimethylaniline oxidase 1) (Hepatic flavin-containing monooxygenase 1) (FMO 1) | Fmo1 Fmo-1 | P50285 | 3 |
| Dipeptidyl peptidase 3 (EC 3.4.14.4) (Dipeptidyl aminopeptidase III) (Dipeptidyl arylamidase III) (Dipeptidyl peptidase III) (DPP III) (Enkephalinase B) | Dpp3 | Q99KK7 | 3 |
| Dipeptidyl peptidase 8 (DP8) (EC 3.4.14.5) (Dipeptidyl peptidase VIII) (DPP VIII) | Dpp8 | Q80YA7 | 3 |
| Diphosphomevalonate decarboxylase (EC 4.1.1.33) (Mevalonate (diphospho)decarboxylase) (MDDase) (Mevalonate pyrophosphate decarboxylase) | Mvd | Q99JF5 | 3 |
| Diphthamide biosynthesis protein 2 (DPH2 homolog) (Diphthamide biosynthesis protein 2 homolog-like 2) (DPH2-like 2) (MmDph2) | Dph2 Dph2l2 | Q9CR25 | 3 |
| DIS3-like exonuclease 2 (EC 3.1.13.-) | Dis3l2 | Q8CI75 | 3 |
| Disabled homolog 2 (DOC-2) (Mitogen-responsive phosphoprotein) | Dab2 Doc2 | P98078 | 3 |
| Disco-interacting protein 2 homolog B (DIP2 homolog B) | Dip2b Kiaa1463 | Q3UH60 | 3 |
| Disintegrin and metalloproteinase domain-containing protein 15 (ADAM 15) (EC 3.4.24.-) (AD56) (Metalloprotease RGD disintegrin protein) (Metalloproteinase-like, disintegrin-like, and cysteine-rich protein 15) (MDC-15) (Metargidin) | Adam15 Mdc15 | O88839 | 3 |
| Disintegrin and metalloproteinase domain-containing protein 23 (ADAM 23) (Metalloproteinase-like, disintegrin-like, and cysteine-rich protein 3) (MDC-3) | Adam23 Mdc3 | Q9R1V7 | 3 |
| DmX-like protein 1 (X-like 1 protein) | Dmxl1 | Q6PNC0 | 3 |
| DNA (cytosine-5)-methyltransferase 3A (Dnmt3a) (EC 2.1.1.37) (DNA methyltransferase MmuIIIA) (DNA MTase MmuIIIA) (M.MmuIIIA) | Dnmt3a | O88508 | 3 |
| DNA damage-binding protein 2 (Damage-specific DNA-binding protein 2) | Ddb2 | Q99J79 | 3 |
| DNA methyltransferase 1-associated protein 1 (DNMAP1) (DNMT1-associated protein 1) (MAT1-mediated transcriptional repressor) | Dmap1 Mmtr | Q9JI44 | 3 |
| DNA mismatch repair protein Msh6 (G/T mismatch-binding protein) (GTBP) (GTMBP) (MutS-alpha 160 kDa subunit) (p160) | Msh6 Gtmbp | P54276 | 3 |
| DNA polymerase epsilon catalytic subunit A (EC 2.7.7.7) (DNA polymerase II subunit A) | Pole Pole1 | Q9WVF7 | 3 |
| DNA polymerase epsilon subunit 4 (EC 2.7.7.7) (DNA polymerase II subunit 4) (DNA polymerase epsilon subunit p12) | Pole4 | Q9CQ36 | 3 |
| DNA polymerase eta (EC 2.7.7.7) (RAD30 homolog A) (Xeroderma pigmentosum variant type protein homolog) | Polh Rad30a Xpv | Q9JJN0 | 3 |
| DNA polymerase sigma (EC 2.7.7.7) (PAP-associated domain-containing protein 7) | Papd7 Pols | Q6PB75 | 3 |
| DNA primase large subunit (EC 2.7.7.-) (DNA primase 58 kDa subunit) (p58) | Prim2 | P33610 | 3 |
| DNA repair protein-complementing XP-G cells homolog | Ercc5 | E9QM61 | 3 |
| DNA replication licensing factor MCM5 (Minichromosome maintenance deficient 5, cell division cycle 46 (S. cerevisiae)) (Minichromosome maintenance deficient 5, cell division cycle 46 (S. cerevisiae), isoform CRA_a) | Mcm5 mCG_14998 | Q52KC3 | 3 |
| DNA topoisomerase 2-alpha (EC 5.99.1.3) (DNA topoisomerase II, alpha isozyme) | Top2a Top-2 Top2 | Q01320 | 3 |
| DNA-3-methyladenine glycosylase (EC 3.2.2.21) (3-alkyladenine DNA glycosylase) (3-methyladenine DNA glycosidase) (ADPG) (N-methylpurine-DNA glycosylase) | Mpg Mid1 | Q04841 | 3 |
| DNA-binding protein Ikaros (Zinc finger protein, subfamily 1A, 1 (Ikaros), isoform CRA_a) | Ikzf1 Zfpn1a1 mCG_3994 | G5E8H3 | 3 |
| DNA-binding protein inhibitor ID-2 (Inhibitor of DNA binding 2) | Id2 Id-2 Idb2 | P41136 | 3 |
| DNA-binding protein RFXANK (Ankyrin repeat-containing adapter protein Tvl-1) (Regulatory factor X subunit B) (RFX-B) (Regulatory factor X-associated ankyrin-containing protein) | Rfxank Rfxb Tvl1 | Q9Z205 | 3 |
| DNA-directed RNA polymerase I subunit RPA49 (RNA polymerase I subunit A49) (DNA-directed RNA polymerase I subunit E) (RNA polymerase I-associated factor 1) (RNA polymerase I-associated factor 53) | Polr1e Paf53 Praf1 | Q8K202 | 3 |
| DNA-directed RNA polymerase III subunit RPC6 (RNA polymerase III subunit C6) (DNA-directed RNA polymerase III subunit F) | Polr3f | Q921X6 | 3 |
| DNA-directed RNA polymerases I, II, and III subunit RPABC1 (RNA polymerases I, II, and III subunit ABC1) (DNA-directed RNA polymerase II subunit E) (RPB5 homolog) | Polr2e | Q80UW8 | 3 |
| DNA/RNA-binding protein KIN17 (Binding to curved DNA) (KIN, antigenic determinant of recA protein) | Kin Btcd Kin17 | Q8K339 | 3 |
| DnaJ homolog subfamily A member 4 (MmDjA4) | Dnaja4 | Q9JMC3 | 3 |
| DnaJ homolog subfamily B member 12 (mDj10) | Dnajb12 | Q9QYI4 | 3 |