| CLIP-associating protein 2 (Cytoplasmic linker-associated protein 2) (Protein Orbit homolog 2) (hOrbit2) | CLASP2 KIAA0627 | O75122 | 3 |
| CMP-N-acetylneuraminate-poly-alpha-2,8-sialyltransferase (EC 2.4.99.-) (Alpha-2,8-sialyltransferase 8D) (Polysialyltransferase-1) (Sialyltransferase 8D) (SIAT8-D) (Sialyltransferase St8Sia IV) (ST8SiaIV) | ST8SIA4 PST PST1 SIAT8D | Q92187 | 3 |
| CMRF35-like molecule 9 (CLM-9) (CD300 antigen-like family member G) (Triggering receptor expressed on myeloid cells 4) (TREM-4) (CD antigen CD300g) | CD300LG CLM9 TREM4 UNQ422/PRO846 | Q6UXG3 | 3 |
| Coagulation factor VII (EC 3.4.21.21) (Proconvertin) (Serum prothrombin conversion accelerator) (SPCA) (Eptacog alfa) [Cleaved into: Factor VII light chain; Factor VII heavy chain] | F7 | P08709 | 3 |
| Coagulation factor VIII (Antihemophilic factor) (AHF) (Procoagulant component) [Cleaved into: Factor VIIIa heavy chain, 200 kDa isoform; Factor VIIIa heavy chain, 92 kDa isoform; Factor VIII B chain; Factor VIIIa light chain] | F8 F8C | P00451 | 3 |
| Coagulation factor XI (FXI) (EC 3.4.21.27) (Plasma thromboplastin antecedent) (PTA) [Cleaved into: Coagulation factor XIa heavy chain; Coagulation factor XIa light chain] | F11 | P03951 | 3 |
| Cob(I)yrinic acid a,c-diamide adenosyltransferase, mitochondrial (EC 2.5.1.17) (Cob(I)alamin adenosyltransferase) (Methylmalonic aciduria type B protein) | MMAB | Q96EY8 | 3 |
| Coiled-coil and C2 domain-containing protein 1A (Akt kinase-interacting protein 1) (Five prime repressor element under dual repression-binding protein 1) (FRE under dual repression-binding protein 1) (Freud-1) (Putative NF-kappa-B-activating protein 023N) | CC2D1A AKI1 | Q6P1N0 | 3 |
| Coiled-coil and C2 domain-containing protein 1B (Five prime repressor element under dual repression-binding protein 2) (FRE under dual repression-binding protein 2) (Freud-2) | CC2D1B KIAA1836 | Q5T0F9 | 3 |
| Coiled-coil domain-containing protein 105 | CCDC105 | Q8IYK2 | 3 |
| Coiled-coil domain-containing protein 136 (Nasopharyngeal carcinoma-associated gene 6 protein) | CCDC136 KIAA1793 NAG6 | Q96JN2 | 3 |
| Coiled-coil domain-containing protein 151 | CCDC151 | A5D8V7 | 3 |
| Coiled-coil domain-containing protein 153 | CCDC153 | Q494R4 | 3 |
| Coiled-coil domain-containing protein 176 | CCDC176 C14orf45 | Q8ND07 | 3 |
| Coiled-coil-helix-coiled-coil-helix domain-containing protein 6, mitochondrial (Coiled coil helix cristae morphology protein 1) | CHCHD6 CHCM1 | Q9BRQ6 | 3 |
| Coiled-coil-helix-coiled-coil-helix domain-containing protein 7 | CHCHD7 | Q9BUK0 | 3 |
| Collagen alpha-1(V) chain | COL5A1 | P20908 | 3 |
| Collagen alpha-1(XVI) chain | COL16A1 FP1572 | Q07092 | 3 |
| Collagen alpha-1(XX) chain | COL20A1 KIAA1510 | Q9P218 | 3 |
| Collagen alpha-1(XXV) chain (Alzheimer disease amyloid-associated protein) (AMY) (CLAC-P) [Cleaved into: Collagen-like Alzheimer amyloid plaque component (CLAC)] | COL25A1 | Q9BXS0 | 3 |
| Collagen alpha-2(VI) chain | COL6A2 | P12110 | 3 |
| Collagen alpha-5(IV) chain | COL4A5 | P29400 | 3 |
| Collectin-11 (Collectin kidney protein 1) (CL-K1) | COLEC11 UNQ596/PRO1182 | Q9BWP8 | 3 |
| Complement C1q subcomponent subunit C | C1QC C1QG | P02747 | 3 |
| Complement C1q tumor necrosis factor-related protein 4 | C1QTNF4 CTRP4 | Q9BXJ3 | 3 |
| Complement C1q tumor necrosis factor-related protein 5 | C1QTNF5 CTRP5 UNQ303/PRO344 | Q9BXJ0 | 3 |
| Complement component 2, isoform CRA_b (cDNA, FLJ92956, Homo sapiens complement component 2 (C2), mRNA) | C2 hCG_43694 | Q5JP69 | 3 |
| Complement component C1q receptor (C1q/MBL/SPA receptor) (C1qR) (C1qR(p)) (C1qRp) (CDw93) (Complement component 1 q subcomponent receptor 1) (Matrix-remodeling-associated protein 4) (CD antigen CD93) | CD93 C1QR1 MXRA4 | Q9NPY3 | 3 |
| Complement component C8 beta chain (Complement component 8 subunit beta) | C8B | P07358 | 3 |
| Complement factor H (H factor 1) | CFH HF HF1 HF2 | P08603 | 3 |
| Complex III assembly factor LYRM7 (LYR motif-containing protein 7) | LYRM7 C5orf31 MZM1L | Q5U5X0 | 3 |
| Condensin-2 complex subunit G2 (Chromosome-associated protein G2) (CAP-G2) (hCAP-G2) (Leucine zipper protein 5) (Non-SMC condensin II complex subunit G2) | NCAPG2 LUZP5 | Q86XI2 | 3 |
| Connector enhancer of kinase suppressor of ras 3 (Connector enhancer of KSR 3) (CNK homolog protein 3) (CNK3) (CNKSR family member 3) (Maguin-like protein) | CNKSR3 MAGI1 | Q6P9H4 | 3 |
| Conserved oligomeric Golgi complex subunit 3 (COG complex subunit 3) (Component of oligomeric Golgi complex 3) (Vesicle-docking protein SEC34 homolog) (p94) | COG3 SEC34 | Q96JB2 | 3 |
| COP9 signalosome complex subunit 4 (SGN4) (Signalosome subunit 4) (JAB1-containing signalosome subunit 4) | COPS4 CSN4 | Q9BT78 | 3 |
| Copine-2 (Copine II) | CPNE2 | Q96FN4 | 3 |
| Copine-5 (Copine V) | CPNE5 KIAA1599 | Q9HCH3 | 3 |
| Copper homeostasis protein cutC homolog | CUTC CGI-32 | Q9NTM9 | 3 |
| Coproporphyrinogen-III oxidase, mitochondrial (COX) (Coprogen oxidase) (Coproporphyrinogenase) (EC 1.3.3.3) | CPOX CPO CPX | P36551 | 3 |
| Core-binding factor subunit beta (CBF-beta) (Polyomavirus enhancer-binding protein 2 beta subunit) (PEA2-beta) (PEBP2-beta) (SL3-3 enhancer factor 1 subunit beta) (SL3/AKV core-binding factor beta subunit) | CBFB | Q13951 | 3 |
| Corneodesmosin (S protein) | CDSN | Q15517 | 3 |
| Coronin-1A (Coronin-like protein A) (Clipin-A) (Coronin-like protein p57) (Tryptophan aspartate-containing coat protein) (TACO) | CORO1A CORO1 | P31146 | 3 |
| Coronin-7 (Crn7) (70 kDa WD repeat tumor rejection antigen homolog) | CORO7 | P57737 | 3 |
| Corticosteroid 11-beta-dehydrogenase isozyme 2 (EC 1.1.1.-) (11-beta-hydroxysteroid dehydrogenase type 2) (11-DH2) (11-beta-HSD2) (11-beta-hydroxysteroid dehydrogenase type II) (-HSD11 type II) (NAD-dependent 11-beta-hydroxysteroid dehydrogenase) (11-beta-HSD) | HSD11B2 HSD11K | P80365 | 3 |
| Corticotropin-releasing factor receptor 1 (CRF-R-1) (CRF-R1) (CRFR-1) (Corticotropin-releasing hormone receptor 1) (CRH-R-1) (CRH-R1) | CRHR1 CRFR CRFR1 CRHR | P34998 | 3 |
| COX assembly mitochondrial protein homolog (Cmc1p) | CMC1 C3orf68 | Q7Z7K0 | 3 |
| Craniofacial development protein 1 (Bucentaur) | CFDP1 BCNT | Q9UEE9 | 3 |
| Crm, cramped-like (Drosophila) | CRAMP1L | B2RNX8 | 3 |
| CST complex subunit CTC1 (Conserved telomere maintenance component 1) (HBV DNAPTP1-transactivated protein B) | CTC1 C17orf68 | Q2NKJ3 | 3 |
| CST complex subunit STN1 (Oligonucleotide/oligosaccharide-binding fold-containing protein 1) (Suppressor of cdc thirteen homolog) | OBFC1 STN1 | Q9H668 | 3 |
| CTP synthase 1 (EC 6.3.4.2) (CTP synthetase 1) (UTP--ammonia ligase 1) | CTPS1 CTPS | P17812 | 3 |
| Cullin-1 (CUL-1) | CUL1 | Q13616 | 3 |
| Cullin-3 (CUL-3) | CUL3 KIAA0617 | Q13618 | 3 |
| Cullin-7 (CUL-7) | CUL7 KIAA0076 | Q14999 | 3 |
| CWF19-like protein 2 | CWF19L2 | Q2TBE0 | 3 |
| Cyclic AMP-responsive element-binding protein 3-like protein 1 (cAMP-responsive element-binding protein 3-like protein 1) (Old astrocyte specifically-induced substance) (OASIS) [Cleaved into: Processed cyclic AMP-responsive element-binding protein 3-like protein 1] | CREB3L1 OASIS PSEC0238 | Q96BA8 | 3 |
| Cyclic AMP-responsive element-binding protein 3-like protein 2 (cAMP-responsive element-binding protein 3-like protein 2) (BBF2 human homolog on chromosome 7) [Cleaved into: Processed cyclic AMP-responsive element-binding protein 3-like protein 2] | CREB3L2 BBF2H7 | Q70SY1 | 3 |
| Cyclic GMP-AMP synthase (cGAMP synthase) (cGAS) (h-cGAS) (EC 2.7.7.86) (Mab-21 domain-containing protein 1) | MB21D1 C6orf150 | Q8N884 | 3 |
| Cyclin-dependent kinase 12 (EC 2.7.11.22) (EC 2.7.11.23) (Cdc2-related kinase, arginine/serine-rich) (CrkRS) (Cell division cycle 2-related protein kinase 7) (CDC2-related protein kinase 7) (Cell division protein kinase 12) (hCDK12) | CDK12 CRK7 CRKRS KIAA0904 | Q9NYV4 | 3 |
| Cyclin-dependent kinase 3 (EC 2.7.11.22) (Cell division protein kinase 3) | CDK3 CDKN3 | Q00526 | 3 |
| Cyclin-dependent kinase 4 inhibitor B (Multiple tumor suppressor 2) (MTS-2) (p14-INK4b) (p15-INK4b) (p15INK4B) | CDKN2B MTS2 | P42772 | 3 |
| Cyclin-dependent kinase 8 (EC 2.7.11.22) (EC 2.7.11.23) (Cell division protein kinase 8) (Mediator complex subunit CDK8) (Mediator of RNA polymerase II transcription subunit CDK8) (Protein kinase K35) | CDK8 | P49336 | 3 |
| Cyclin-dependent kinase inhibitor 1C (Cyclin-dependent kinase inhibitor p57) (p57Kip2) | CDKN1C KIP2 | P49918 | 3 |
| Cyclin-G2 | CCNG2 | Q16589 | 3 |
| Cyclin-T1 (CycT1) (Cyclin-T) | CCNT1 | O60563 | 3 |
| Cystathionine gamma-lyase (EC 4.4.1.1) (Cysteine-protein sulfhydrase) (Gamma-cystathionase) | CTH | P32929 | 3 |
| Cystatin-F (Cystatin-7) (Cystatin-like metastasis-associated protein) (CMAP) (Leukocystatin) | CST7 | O76096 | 3 |
| Cystatin-M (Cystatin-6) (Cystatin-E) | CST6 | Q15828 | 3 |
| Cysteine and glycine-rich protein 1 (Cysteine and glycine-rich protein 1, isoform CRA_b) (cDNA FLJ75177, highly similar to Homo sapiens cysteine and glycine-rich protein 1 (CSRP1), mRNA) | CSRP1 hCG_17679 | Q5U0J2 | 3 |
| Cysteine and histidine-rich domain-containing protein 1 (CHORD domain-containing protein 1) (CHORD-containing protein 1) (CHP-1) (Protein morgana) | CHORDC1 CHP1 | Q9UHD1 | 3 |
| Cysteine-rich with EGF-like domain protein 2 | CRELD2 UNQ185/PRO211 | Q6UXH1 | 3 |
| Cystic fibrosis transmembrane conductance regulator (CFTR) (ATP-binding cassette sub-family C member 7) (Channel conductance-controlling ATPase) (EC 3.6.3.49) (cAMP-dependent chloride channel) | CFTR ABCC7 | P13569 | 3 |
| Cystin-1 (Cilia-associated protein) | CYS1 | Q717R9 | 3 |
| Cytochrome b5 type B (Cytochrome b5 type B (Outer mitochondrial membrane), isoform CRA_a) | CYB5B hCG_28205 | J3KNF8 | 3 |
| Cytochrome b561 domain-containing protein 2 (Putative tumor suppressor protein 101F6) | CYB561D2 101F6 LUCA12.2 | O14569 | 3 |
| Cytochrome c | CYCS | G4XXL9 | 3 |
| Cytochrome c oxidase assembly protein COX19 (hCOX19) | COX19 | Q49B96 | 3 |
| Cytochrome P450 19A1 (EC 1.14.14.1) (Aromatase) (CYPXIX) (Cytochrome P-450AROM) (Estrogen synthase) | CYP19A1 ARO1 CYAR CYP19 | P11511 | 3 |
| Cytochrome P450 26A1 (EC 1.14.-.-) (Cytochrome P450 retinoic acid-inactivating 1) (Cytochrome P450RAI) (hP450RAI) (Retinoic acid 4-hydroxylase) (Retinoic acid-metabolizing cytochrome) | CYP26A1 CYP26 P450RAI1 | O43174 | 3 |
| Cytochrome P450 26B1 (EC 1.14.-.-) (Cytochrome P450 26A2) (Cytochrome P450 retinoic acid-inactivating 2) (Cytochrome P450RAI-2) (Retinoic acid-metabolizing cytochrome) | CYP26B1 CYP26A2 P450RAI2 | Q9NR63 | 3 |
| Cytochrome P450 2A6 (EC 1.14.13.-) (1,4-cineole 2-exo-monooxygenase) (CYPIIA6) (Coumarin 7-hydroxylase) (Cytochrome P450 IIA3) (Cytochrome P450(I)) | CYP2A6 CYP2A3 | P11509 | 3 |
| Cytochrome P450 2A7 (EC 1.14.14.1) (CYPIIA7) (Cytochrome P450 IIA4) | CYP2A7 | P20853 | 3 |
| Cytochrome P450 2E1 (EC 1.14.13.-) (4-nitrophenol 2-hydroxylase) (EC 1.14.13.n7) (CYPIIE1) (Cytochrome P450-J) [Cleaved into: Cytochrome P450 2E1, N-terminally processed] | CYP2E1 CYP2E | P05181 | 3 |
| Cytochrome P450 2S1 (EC 1.14.14.1) (CYPIIS1) | CYP2S1 UNQ891/PRO1906 | Q96SQ9 | 3 |
| Cytochrome P450 2U1 (EC 1.14.14.1) | CYP2U1 | Q7Z449 | 3 |
| Cytohesin-1 (PH, SEC7 and coiled-coil domain-containing protein 1) (SEC7 homolog B2-1) | CYTH1 D17S811E PSCD1 | Q15438 | 3 |
| Cytokine receptor-like factor 3 (Cytokine receptor-like molecule 9) (CREME-9) (Cytokine receptor-related protein 4) (Type I cytokine receptor-like factor p48) | CRLF3 CREME9 CRLM9 CYTOR4 P48 | Q8IUI8 | 3 |
| Cytoplasmic dynein 1 intermediate chain 2 (Cytoplasmic dynein intermediate chain 2) (Dynein intermediate chain 2, cytosolic) (DH IC-2) | DYNC1I2 DNCI2 DNCIC2 | Q13409 | 3 |
| Cytoplasmic polyadenylation element-binding protein 4 (CPE-BP4) (CPE-binding protein 4) (hCPEB-4) | CPEB4 KIAA1673 | Q17RY0 | 3 |
| Cytoskeleton-associated protein 2-like | CKAP2L | Q8IYA6 | 3 |
| Cytosolic 5'-nucleotidase 3A (EC 3.1.3.5) (Cytosolic 5'-nucleotidase 3) (Cytosolic 5'-nucleotidase III) (cN-III) (Pyrimidine 5'-nucleotidase 1) (P5'N-1) (P5N-1) (PN-I) (Uridine 5'-monophosphate hydrolase 1) (p36) | NT5C3A NT5C3 P5N1 UMPH1 HSPC233 | Q9H0P0 | 3 |
| Cytosolic Fe-S cluster assembly factor NUBP2 (Nucleotide-binding protein 2) (NBP 2) | NUBP2 | Q9Y5Y2 | 3 |
| D(2) dopamine receptor (Dopamine D2 receptor) | DRD2 | P14416 | 3 |
| D(3) dopamine receptor | DRD3 | E9PCM4 | 3 |
| D-amino-acid oxidase (DAAO) (DAMOX) (DAO) (EC 1.4.3.3) | DAO DAMOX | P14920 | 3 |
| Dapper homolog 1 (hDPR1) (Dapper antagonist of catenin 1) (Hepatocellular carcinoma novel gene 3 protein) | DACT1 DPR1 HNG3 | Q9NYF0 | 3 |
| DCC-interacting protein 13-alpha (Dip13-alpha) (Adapter protein containing PH domain, PTB domain and leucine zipper motif 1) | APPL1 APPL DIP13A KIAA1428 | Q9UKG1 | 3 |
| DDB1- and CUL4-associated factor 11 (WD repeat-containing protein 23) | DCAF11 WDR23 GL014 PRO2389 | Q8TEB1 | 3 |
| DDB1- and CUL4-associated factor 12 (Centrosome-related protein TCC52) (Testis cancer centrosome-related protein) (WD repeat-containing protein 40A) | DCAF12 KIAA1892 TCC52 WDR40A | Q5T6F0 | 3 |
| DDRGK domain-containing protein 1 | DDRGK1 C20orf116 | Q96HY6 | 3 |