| Choline transporter-like protein 1 (CDw92) (Solute carrier family 44 member 1) (CD antigen CD92) | SLC44A1 CD92 CDW92 CTL1 | Q8WWI5 | 5 |
| Choline transporter-like protein 2 (Solute carrier family 44 member 2) | SLC44A2 CTL2 PSEC0210 | Q8IWA5 | 5 |
| Choline transporter-like protein 4 (Solute carrier family 44 member 4) | SLC44A4 C6orf29 CTL4 NG22 UNQ441/PRO874 | Q53GD3 | 5 |
| Cholinergic receptor, nicotinic, beta 2 (Neuronal) (cDNA, FLJ94017, Homo sapiens cholinergic receptor, nicotinic, beta polypeptide 2(neuronal) (CHRNB2), mRNA) | CHRNB2 hCG_18732 | Q5SXY3 | 5 |
| Chromobox protein homolog 5 (Antigen p25) (Heterochromatin protein 1 homolog alpha) (HP1 alpha) | CBX5 HP1A | P45973 | 5 |
| Chromodomain-helicase-DNA-binding protein 8 (CHD-8) (EC 3.6.4.12) (ATP-dependent helicase CHD8) (Helicase with SNF2 domain 1) | CHD8 HELSNF1 KIAA1564 | Q9HCK8 | 5 |
| Chymotrypsinogen B2 (EC 3.4.21.1) [Cleaved into: Chymotrypsin B2 chain A; Chymotrypsin B2 chain B; Chymotrypsin B2 chain C] | CTRB2 | Q6GPI1 | 5 |
| Cip1-interacting zinc finger protein (CDKN1A-interacting zinc finger protein 1) (Nuclear protein NP94) (Zinc finger protein 356) | CIZ1 LSFR1 NP94 ZNF356 | Q9ULV3 | 5 |
| CKLF-like MARVEL transmembrane domain-containing protein 4 (Chemokine-like factor superfamily member 4) | CMTM4 CKLFSF4 | Q8IZR5 | 5 |
| Clathrin interactor 1 (Clathrin-interacting protein localized in the trans-Golgi region) (Clint) (Enthoprotin) (Epsin-4) (Epsin-related protein) (EpsinR) | CLINT1 ENTH EPN4 EPNR KIAA0171 | Q14677 | 5 |
| Claudin-2 (SP82) | CLDN2 PSEC0059 SP82 UNQ705/PRO1356 | P57739 | 5 |
| Cleavage and polyadenylation specificity factor subunit 3 (EC 3.1.27.-) (Cleavage and polyadenylation specificity factor 73 kDa subunit) (CPSF 73 kDa subunit) (mRNA 3'-end-processing endonuclease CPSF-73) | CPSF3 CPSF73 | Q9UKF6 | 5 |
| CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransferase 1 (Alpha 2,3-ST 1) (Beta-galactoside alpha-2,3-sialyltransferase 1) (EC 2.4.99.4) (Gal-NAc6S) (Gal-beta-1,3-GalNAc-alpha-2,3-sialyltransferase) (SIATFL) (ST3Gal I) (ST3GalI) (ST3GalA.1) (ST3O) (Sialyltransferase 4A) (SIAT4-A) | ST3GAL1 SIAT4 SIAT4A | Q11201 | 5 |
| Coactosin-like protein | COTL1 CLP | Q14019 | 5 |
| Coiled-coil domain-containing protein 114 | CCDC114 | Q96M63 | 5 |
| Coiled-coil domain-containing protein 124 | CCDC124 | Q96CT7 | 5 |
| Coiled-coil domain-containing protein 14 | CCDC14 | Q49A88 | 5 |
| Coiled-coil domain-containing protein 174 | CCDC174 C3orf19 | Q6PII3 | 5 |
| Coiled-coil domain-containing protein 50 (Protein Ymer) | CCDC50 C3orf6 | Q8IVM0 | 5 |
| Coiled-coil domain-containing protein 94 | CCDC94 | Q9BW85 | 5 |
| Coiled-coil-helix-coiled-coil-helix domain-containing protein 1 (28S ribosomal protein S37, mitochondrial) (MRP-S37) (Nuclear protein C2360) | CHCHD1 C10orf34 MRPS37 | Q96BP2 | 5 |
| Collagen alpha-1(IV) chain [Cleaved into: Arresten] | COL4A1 | P02462 | 5 |
| Collagen alpha-2(I) chain (Alpha-2 type I collagen) | COL1A2 | P08123 | 5 |
| Collagen alpha-2(IV) chain [Cleaved into: Canstatin] | COL4A2 | P08572 | 5 |
| Collagen alpha-3(VI) chain | COL6A3 | P12111 | 5 |
| Collagen type IV alpha-3-binding protein (Ceramide transfer protein) (hCERT) (Goodpasture antigen-binding protein) (GPBP) (START domain-containing protein 11) (StARD11) (StAR-related lipid transfer protein 11) | COL4A3BP CERT STARD11 | Q9Y5P4 | 5 |
| COMM domain-containing protein 7 | COMMD7 C20orf92 | Q86VX2 | 5 |
| Complexin-3 (Complexin III) (CPX III) | CPLX3 Nbla11589 | Q8WVH0 | 5 |
| COP9 signalosome complex subunit 2 (SGN2) (Signalosome subunit 2) (Alien homolog) (JAB1-containing signalosome subunit 2) (Thyroid receptor-interacting protein 15) (TR-interacting protein 15) (TRIP-15) | COPS2 CSN2 TRIP15 | P61201 | 5 |
| Copine-6 (Copine VI) (Neuronal-copine) (N-copine) | CPNE6 | O95741 | 5 |
| Copine-7 (Copine VII) | CPNE7 | Q9UBL6 | 5 |
| Copper chaperone for superoxide dismutase (Superoxide dismutase copper chaperone) | CCS | O14618 | 5 |
| Copper-transporting ATPase 2 (EC 3.6.3.54) (Copper pump 2) (Wilson disease-associated protein) [Cleaved into: WND/140 kDa] | ATP7B PWD WC1 WND | P35670 | 5 |
| Cordon-bleu protein-like 1 | COBLL1 KIAA0977 | Q53SF7 | 5 |
| Coronin-2B (Coronin-like protein C) (Clipin-C) (Protein FC96) | CORO2B KIAA0925 | Q9UQ03 | 5 |
| COX assembly mitochondrial protein 2 homolog | CMC2 C16orf61 DC13 | Q9NRP2 | 5 |
| CpG-binding protein (CXXC-type zinc finger protein 1) (PHD finger and CXXC domain-containing protein 1) | CXXC1 CFP1 CGBP PCCX1 PHF18 | Q9P0U4 | 5 |
| CXADR-like membrane protein (Adipocyte adhesion molecule) (Coxsackie- and adenovirus receptor-like membrane protein) (CAR-like membrane protein) | CLMP ACAM ASAM UNQ318/PRO363 | Q9H6B4 | 5 |
| Cyclic AMP-dependent transcription factor ATF-1 (cAMP-dependent transcription factor ATF-1) (Activating transcription factor 1) (Protein TREB36) | ATF1 | P18846 | 5 |
| Cyclic nucleotide-gated cation channel beta-1 (Cyclic nucleotide-gated cation channel 4) (CNG channel 4) (CNG-4) (CNG4) (Cyclic nucleotide-gated cation channel gamma) (Cyclic nucleotide-gated cation channel modulatory subunit) (Cyclic nucleotide-gated channel beta-1) (CNG channel beta-1) (Glutamic acid-rich protein) (GARP) | CNGB1 CNCG2 CNCG3L CNCG4 RCNC2 | Q14028 | 5 |
| Cyclin-dependent kinase 7 (EC 2.7.11.22) (EC 2.7.11.23) (39 kDa protein kinase) (p39 Mo15) (CDK-activating kinase 1) (Cell division protein kinase 7) (Serine/threonine-protein kinase 1) (TFIIH basal transcription factor complex kinase subunit) | CDK7 CAK CAK1 CDKN7 MO15 STK1 | P50613 | 5 |
| Cystatin-C (Cystatin-3) (Gamma-trace) (Neuroendocrine basic polypeptide) (Post-gamma-globulin) | CST3 | P01034 | 5 |
| Cysteine protease ATG4B (EC 3.4.22.-) (AUT-like 1 cysteine endopeptidase) (Autophagin-1) (Autophagy-related cysteine endopeptidase 1) (Autophagy-related protein 4 homolog B) (hAPG4B) | ATG4B APG4B AUTL1 KIAA0943 | Q9Y4P1 | 5 |
| Cysteine-rich protein 1 (CRP-1) (Cysteine-rich heart protein) (CRHP) (hCRHP) (Cysteine-rich intestinal protein) (CRIP) | CRIP1 CRIP CRP1 | P50238 | 5 |
| Cysteine-rich protein 2-binding protein (CSRP2-binding protein) (ADA2A-containing complex subunit 2) (ATAC2) (CRP2-binding partner) (CRP2BP) | CSRP2BP | Q9H8E8 | 5 |
| Cysteine/serine-rich nuclear protein 2 (CSRNP-2) (Protein FAM130A1) (TGF-beta-induced apoptosis protein 12) (TAIP-12) | CSRNP2 C12orf22 FAM130A1 TAIP12 | Q9H175 | 5 |
| Cystinosin | CTNS | O60931 | 5 |
| Cytochrome b-c1 complex subunit 10 (Complex III subunit 10) (Complex III subunit XI) (Ubiquinol-cytochrome c reductase complex 6.4 kDa protein) | UQCR11 UQCR | O14957 | 5 |
| Cytochrome c | CYCS CYC | P99999 | 5 |
| Cytochrome c oxidase assembly factor 4 homolog, mitochondrial (Coiled-coil-helix-coiled-coil-helix domain-containing protein 8) (E2-induced gene 2 protein) | COA4 CHCHD8 E2IG2 | Q9NYJ1 | 5 |
| Cytochrome c oxidase subunit 6A2, mitochondrial (Cytochrome c oxidase polypeptide VIa-heart) (COXVIAH) (Cytochrome c oxidase subunit VIA-muscle) (COX VIa-M) | COX6A2 COX6A COX6AH | Q02221 | 5 |
| Cytokine receptor-like factor 1 (Cytokine-like factor 1) (CLF-1) (ZcytoR5) | CRLF1 UNQ288/PRO327 | O75462 | 5 |
| Cytosolic endo-beta-N-acetylglucosaminidase (ENGase) (EC 3.2.1.96) | ENGASE | Q8NFI3 | 5 |
| Cytosolic Fe-S cluster assembly factor NUBP1 (Nucleotide-binding protein 1) (NBP 1) | NUBP1 NBP NBP1 | P53384 | 5 |
| Cytosolic purine 5'-nucleotidase (EC 3.1.3.5) (Cytosolic 5'-nucleotidase II) | NT5C2 NT5B NT5CP PNT5 | P49902 | 5 |
| D-beta-hydroxybutyrate dehydrogenase, mitochondrial (BDH) (EC 1.1.1.30) (3-hydroxybutyrate dehydrogenase) | BDH1 BDH | Q02338 | 5 |
| DCN1-like protein 4 (DCUN1 domain-containing protein 4) (Defective in cullin neddylation protein 1-like protein 4) | DCUN1D4 KIAA0276 | Q92564 | 5 |
| DCN1-like protein 5 (DCUN1 domain-containing protein 5) (Defective in cullin neddylation protein 1-like protein 5) | DCUN1D5 | Q9BTE7 | 5 |
| DDB1- and CUL4-associated factor 13 (WD repeat and SOF domain-containing protein 1) | DCAF13 WDSOF1 HSPC064 | Q9NV06 | 5 |
| Dehydrogenase/reductase SDR family member 11 (EC 1.-.-.-) | DHRS11 UNQ836/PRO1774 | Q6UWP2 | 5 |
| Delta-like protein 3 (Drosophila Delta homolog 3) (Delta3) | DLL3 | Q9NYJ7 | 5 |
| DENN domain-containing protein 4B | DENND4B KIAA0476 | O75064 | 5 |
| Deoxynucleotidyltransferase terminal-interacting protein 1 (Terminal deoxynucleotidyltransferase-interacting factor 1) (TdIF1) (TdT-interacting factor 1) | DNTTIP1 C20orf167 TDIF1 | Q9H147 | 5 |
| 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 | Q9UL01 | 5 |
| Dihydrolipoyl dehydrogenase, mitochondrial (EC 1.8.1.4) (Dihydrolipoamide dehydrogenase) (Glycine cleavage system L protein) | DLD GCSL LAD PHE3 | P09622 | 5 |
| Dihydropyrimidinase-related protein 3 (DRP-3) (Collapsin response mediator protein 4) (CRMP-4) (Unc-33-like phosphoprotein 1) (ULIP-1) | DPYSL3 CRMP4 DRP3 ULIP ULIP1 | Q14195 | 5 |
| 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 | Q9UHL4 | 5 |
| Diphosphoinositol polyphosphate phosphohydrolase 2 (DIPP-2) (EC 3.6.1.52) (Diadenosine 5',5'''-P1,P6-hexaphosphate hydrolase 2) (EC 3.6.1.-) (Nucleoside diphosphate-linked moiety X motif 4) (Nudix motif 4) | NUDT4 DIPP2 KIAA0487 HDCMB47P | Q9NZJ9 | 5 |
| Disintegrin and metalloproteinase domain-containing protein 33 (ADAM 33) (EC 3.4.24.-) | ADAM33 C20orf153 UNQ873/PRO1891 | Q9BZ11 | 5 |
| Disks large homolog 5 (Discs large protein P-dlg) (Placenta and prostate DLG) | DLG5 KIAA0583 PDLG | Q8TDM6 | 5 |
| Disrupted in renal carcinoma protein 1 (Disrupted in renal cancer protein) | DIRC1 | Q969H9 | 5 |
| DMWD protein (Dystrophia myotonica-containing WD repeat motif) | DMWD | Q8WUW6 | 5 |
| DNA dC->dU-editing enzyme APOBEC-3H (EC 3.5.4.-) (APOBEC-related protein 10) (ARP-10) (Apolipoprotein B mRNA-editing enzyme catalytic polypeptide-like 3H) (A3H) | APOBEC3H | Q6NTF7 | 5 |
| DNA polymerase alpha subunit B (DNA polymerase alpha 70 kDa subunit) | POLA2 | Q14181 | 5 |
| DNA repair and recombination protein RAD54B (EC 3.6.4.-) (RAD54 homolog B) | RAD54B | Q9Y620 | 5 |
| DNA repair protein complementing XP-C cells (Xeroderma pigmentosum group C-complementing protein) (p125) | XPC XPCC | Q01831 | 5 |
| DNA repair protein complementing XP-G cells (EC 3.1.-.-) (DNA excision repair protein ERCC-5) (Xeroderma pigmentosum group G-complementing protein) | ERCC5 ERCM2 XPG XPGC | P28715 | 5 |
| DNA replication licensing factor MCM6 (EC 3.6.4.12) (p105MCM) | MCM6 | Q14566 | 5 |
| DNA topoisomerase 1 (EC 5.99.1.2) (DNA topoisomerase I) | TOP1 | P11387 | 5 |
| DNA topoisomerase 2-beta (EC 5.99.1.3) (DNA topoisomerase II, beta isozyme) | TOP2B | Q02880 | 5 |
| DNA topoisomerase I, mitochondrial (TOP1mt) (EC 5.99.1.2) | TOP1MT | Q969P6 | 5 |
| DNA-binding protein inhibitor ID-3 (Class B basic helix-loop-helix protein 25) (bHLHb25) (Helix-loop-helix protein HEIR-1) (ID-like protein inhibitor HLH 1R21) (Inhibitor of DNA binding 3) | ID3 1R21 BHLHB25 HEIR1 | Q02535 | 5 |
| DNA-binding protein RFXANK (Ankyrin repeat family A protein 1) (Regulatory factor X subunit B) (RFX-B) (Regulatory factor X-associated ankyrin-containing protein) | RFXANK ANKRA1 RFXB | O14593 | 5 |
| 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 | Q9GZS1 | 5 |
| DNA-directed RNA polymerase II subunit RPB9 (RNA polymerase II subunit B9) (DNA-directed RNA polymerase II subunit I) (RNA polymerase II 14.5 kDa subunit) (RPB14.5) | POLR2I | P36954 | 5 |
| DNA-directed RNA polymerase III subunit RPC3 (RNA polymerase III subunit C3) (DNA-directed RNA polymerase III subunit C) (RNA polymerase III 62 kDa subunit) (RPC62) | POLR3C | Q9BUI4 | 5 |
| DNA-directed RNA polymerase III subunit RPC5 (RNA polymerase III subunit C5) (DNA-directed RNA polymerase III 80 kDa polypeptide) | POLR3E KIAA1452 | Q9NVU0 | 5 |
| DNA-directed RNA polymerase III subunit RPC9 (RNA polymerase III subunit C9) (Calcitonin gene-related peptide-receptor component protein) (CGRP-RCP) (CGRP-receptor component protein) (CGRPRCP) (HsC17) | CRCP | O75575 | 5 |
| DNA-directed RNA polymerases I and III subunit RPAC1 (DNA-directed RNA polymerase I subunit C) (RNA polymerases I and III subunit AC1) (AC40) (DNA-directed RNA polymerases I and III 40 kDa polypeptide) (RPA40) (RPA39) (RPC40) | POLR1C POLR1E | O15160 | 5 |
| DnaJ homolog subfamily B member 5 (Heat shock protein Hsp40-2) (Heat shock protein Hsp40-3) (Heat shock protein cognate 40) (Hsc40) | DNAJB5 HSC40 | O75953 | 5 |
| DnaJ homolog subfamily C member 11 | DNAJC11 | Q9NVH1 | 5 |
| DnaJ homolog subfamily C member 7 (Tetratricopeptide repeat protein 2) (TPR repeat protein 2) | DNAJC7 TPR2 TTC2 | Q99615 | 5 |
| DnaJ homolog subfamily C member 9 (DnaJ protein SB73) | DNAJC9 | Q8WXX5 | 5 |
| Dolichol phosphate-mannose biosynthesis regulatory protein | DPM2 My026 | O94777 | 5 |
| Doublesex- and mab-3-related transcription factor C2 | DMRTC2 | Q8IXT2 | 5 |
| Dual specificity protein kinase CLK4 (EC 2.7.12.1) (CDC-like kinase 4) | CLK4 | Q9HAZ1 | 5 |
| Dynactin subunit 6 (Dynactin subunit p27) (Protein WS-3) | DCTN6 WS3 | O00399 | 5 |
| Dynamin-like 120 kDa protein, mitochondrial (EC 3.6.5.5) (Optic atrophy protein 1) [Cleaved into: Dynamin-like 120 kDa protein, form S1] | OPA1 KIAA0567 | O60313 | 5 |
| Dynein light chain 4, axonemal | DNAL4 | O96015 | 5 |
| Dyslexia-associated protein KIAA0319-like protein | KIAA0319L KIAA1837 PP791 | Q8IZA0 | 5 |