| Coenzyme Q-binding protein COQ10 homolog B, mitochondrial | COQ10B | Q9H8M1 | 1 |
| Cofilin-2 | CFL2 | F8WDN3 | 1 |
| Cofilin-2 | CFL2 | G3V2U0 | 1 |
| Cohesin subunit SA-1 (Putative uncharacterized protein DKFZp781D1416) | DKFZp781D1416 STAG1 | Q68DW7 | 1 |
| Cohesin subunit SA-3 (SCC3 homolog 3) (Stromal antigen 3) (Stromalin-3) | STAG3 | Q9UJ98 | 1 |
| Coiled-coil alpha-helical rod protein 1 (Fragment) | CCHCR1 | D6RAE7 | 1 |
| Coiled-coil and C2 domain-containing protein 2A (Fragment) | CC2D2A | H0Y941 | 1 |
| Coiled-coil domain containing 88B | CCDC88B | B2RTU8 | 1 |
| Coiled-coil domain-containing protein 103 | CCDC103 | Q8IW40 | 1 |
| Coiled-coil domain-containing protein 106 | CCDC106 | Q9BWC9 | 1 |
| Coiled-coil domain-containing protein 112 | CCDC112 | D6RF76 | 1 |
| Coiled-coil domain-containing protein 114 | CCDC114 | Q96M63 | 1 |
| Coiled-coil domain-containing protein 115 | CCDC115 | Q96NT0 | 1 |
| Coiled-coil domain-containing protein 116 | CCDC116 | Q8IYX3 | 1 |
| Coiled-coil domain-containing protein 122 | CCDC122 | Q5T0U0 | 1 |
| Coiled-coil domain-containing protein 125 | CCDC125 | F8W912 | 1 |
| Coiled-coil domain-containing protein 129 (Fragment) | CCDC129 | B8ZZ49 | 1 |
| Coiled-coil domain-containing protein 136 (Nasopharyngeal carcinoma-associated gene 6 protein) | CCDC136 KIAA1793 NAG6 | Q96JN2 | 1 |
| Coiled-coil domain-containing protein 141 (Fragment) | CCDC141 | E7ERF0 | 1 |
| Coiled-coil domain-containing protein 144A | CCDC144A KIAA0565 | A2RUR9 | 1 |
| Coiled-coil domain-containing protein 148 | CCDC148 | Q8NFR7 | 1 |
| Coiled-coil domain-containing protein 152 | CCDC152 Chr5_400 | Q4G0S7 | 1 |
| Coiled-coil domain-containing protein 162 (Coiled-coil domain-containing protein 162 pseudogene) | CCDC162P C6orf184 C6orf185 CCDC162 | A2VCL2 | 1 |
| Coiled-coil domain-containing protein 166 | CCDC166 | P0CW27 | 1 |
| Coiled-coil domain-containing protein 17 | CCDC17 | Q96LX7 | 1 |
| Coiled-coil domain-containing protein 177 (Myelin proteolipid protein-like protein) | CCDC177 C14orf162 PLPL | Q9NQR7 | 1 |
| Coiled-coil domain-containing protein 18 (Sarcoma antigen NY-SAR-24) | CCDC18 | Q5T9S5 | 1 |
| Coiled-coil domain-containing protein 183 | CCDC183 KIAA1984 | Q5T5S1 | 1 |
| Coiled-coil domain-containing protein 189 | CCDC189 | F5H7A8 | 1 |
| Coiled-coil domain-containing protein 190 | CCDC190 C1orf110 | Q86UF4 | 1 |
| Coiled-coil domain-containing protein 25 | CCDC25 | Q0P663 | 1 |
| Coiled-coil domain-containing protein 28A (CCRL1AP) | CCDC28A C6orf80 | Q8IWP9 | 1 |
| Coiled-coil domain-containing protein 28B | CCDC28B | Q9BUN5 | 1 |
| Coiled-coil domain-containing protein 3 (Fat/vessel-derived secretory protein) (Favine) | CCDC3 | Q9BQI4 | 1 |
| Coiled-coil domain-containing protein 32 | CCDC32 C15orf57 | Q9BV29 | 1 |
| Coiled-coil domain-containing protein 33 (Cancer/testis antigen 61) (CT61) | CCDC33 | Q8N5R6 | 1 |
| Coiled-coil domain-containing protein 54 (Testis development protein NYD-SP17) | CCDC54 | Q8NEL0 | 1 |
| Coiled-coil domain-containing protein 57 | CCDC57 | E9PDF5 | 1 |
| Coiled-coil domain-containing protein 57 (Fragment) | CCDC57 | H7BYI8 | 1 |
| Coiled-coil domain-containing protein 7 (Protein BIOT2) | CCDC7 BIOT2 C10orf68 | Q9H943 | 1 |
| Coiled-coil domain-containing protein 71L | CCDC71L C7orf74 | Q8N9Z2 | 1 |
| Coiled-coil domain-containing protein 74A | CCDC74A | Q96AQ1 | 1 |
| Coiled-coil domain-containing protein 74B | CCDC74B | Q96LY2 | 1 |
| Coiled-coil domain-containing protein 77 | CCDC77 | Q9BR77 | 1 |
| Coiled-coil domain-containing protein 82 | CCDC82 HT025 | Q8N4S0 | 1 |
| Coiled-coil domain-containing protein 85C (Fragment) | CCDC85C | G3V5D5 | 1 |
| Coiled-coil domain-containing protein 91 (Fragment) | CCDC91 | H0YGB4 | 1 |
| Coiled-coil domain-containing protein 92 (Limkain beta-2) | CCDC92 | B3KNQ0 | 1 |
| COL14A1 protein (Collagen alpha-1(XIV) chain) | COL14A1 | Q4G0W3 | 1 |
| COL21A1 protein | COL21A1 | B7ZLK3 | 1 |
| Cold agglutinin FS-1 L-chain (Fragment) | 0 | A2NB45 | 1 |
| Cold agglutinin FS-2 H-chain (Fragment) | IGH@ | A2NB44 | 1 |
| Cold shock domain-containing protein C2 (RNA-binding protein PIPPin) | CSDC2 PIPPIN | Q9Y534 | 1 |
| Cold-inducible RNA-binding protein (A18 hnRNP) (Glycine-rich RNA-binding protein CIRP) | CIRBP A18HNRNP CIRP | B4E2X2 | 1 |
| Colipase-like protein 1 | CLPSL1 C6orf127 | A2RUU4 | 1 |
| Collagen alpha-1(I) chain (Fragment) | COL1A1 | I3L3H7 | 1 |
| Collagen alpha-1(VIII) chain (Fragment) | COL8A1 | C9JTN9 | 1 |
| Collagen alpha-1(XI) chain (Fragment) | COL11A1 | C9JMN2 | 1 |
| Collagen alpha-1(XIII) chain (COLXIIIA1) | COL13A1 | Q5TAT6 | 1 |
| Collagen alpha-1(XVI) chain (Fragment) | COL16A1 | H7BZL8 | 1 |
| Collagen alpha-1(XX) chain | COL20A1 KIAA1510 | Q9P218 | 1 |
| Collagen alpha-1(XXI) chain | COL21A1 | F5GZK2 | 1 |
| Collagen alpha-1(XXII) chain (Fragment) | COL22A1 | H0YAX7 | 1 |
| Collagen alpha-1(XXV) chain | COL25A1 | A8MWQ5 | 1 |
| Collagen alpha-1(XXV) chain (Alzheimer disease amyloid-associated protein) (AMY) (CLAC-P) [Cleaved into: Collagen-like Alzheimer amyloid plaque component (CLAC)] | COL25A1 | Q9BXS0 | 1 |
| Collagen alpha-1(XXVIII) chain | COL28A1 COL28 | Q2UY09 | 1 |
| Collagen alpha-1(XXVIII) chain (Fragment) | COL28A1 | H7C3P2 | 1 |
| Collagen alpha-2(I) chain | COL1A2 | A0A087WTA8 | 1 |
| Collagen alpha-2(XI) chain (Fragment) | COL11A2 | A0A0G2JHD9 | 1 |
| Collagen alpha-3(IV) chain (Fragment) | COL4A3 | H7BXM4 | 1 |
| Collagen alpha-5(IV) chain (Fragment) | COL4A5 | H0Y9R8 | 1 |
| Collagen alpha-5(IV) chain (Fragment) | COL4A5 | H0Y9H0 | 1 |
| Collagen alpha-6(IV) chain | COL4A6 | F5H3Q5 | 1 |
| Collagen alpha-6(VI) chain (Fragment) | COL6A6 | H0Y940 | 1 |
| Collagen type I alpha 2 (Fragment) | COL1A2 | A2TIK1 | 1 |
| Collagen, type VI, alpha 3 | COL6A3 | D9ZGF2 | 1 |
| Collagen, type XI, alpha 1, isoform CRA_b | COL11A1 hCG_32386 | D3DT71 | 1 |
| Collagen, type XI, alpha 1, isoform CRA_c | COL11A1 hCG_32386 | D3DT72 | 1 |
| Collagen, type XII, alpha 1 | COL12A1 | B9EJB8 | 1 |
| COMM domain-containing protein 4 | COMMD4 | A0A0B4J287 | 1 |
| COMM domain-containing protein 4 | COMMD4 | H3BRX0 | 1 |
| COMMD3-BMI1 readthrough (Fragment) | COMMD3-BMI1 | R4GN54 | 1 |
| COMMD3-BMI1 readthrough (Fragment) | COMMD3-BMI1 | R4GMW6 | 1 |
| Complement C1q and tumor necrosis factor-related protein 9A (Complement C1q and tumor necrosis factor-related protein 9) | C1QTNF9 C1QTNF9A UNQ6503/PRO21380 | P0C862 | 1 |
| Complement C1q subcomponent subunit B (Fragment) | C1QB | D6RGJ1 | 1 |
| Complement C1q tumor necrosis factor-related protein 4 | C1QTNF4 CTRP4 | Q9BXJ3 | 1 |
| Complement C1r subcomponent (Fragment) | C1R | F5H1N6 | 1 |
| Complement C1r subcomponent (Fragment) | C1R | F5H3N3 | 1 |
| Complement C1s subcomponent (Fragment) | C1S | F5H7T4 | 1 |
| Complement C4-A (Acidic complement C4) (C3 and PZP-like alpha-2-macroglobulin domain-containing protein 2) [Cleaved into: Complement C4 beta chain; Complement C4-A alpha chain; C4a anaphylatoxin; C4b-A; C4d-A; Complement C4 gamma chain] | C4A CO4 CPAMD2 | A7E2V2 | 1 |
| Complement C4-B (Basic complement C4) (C3 and PZP-like alpha-2-macroglobulin domain-containing protein 3) [Cleaved into: Complement C4 beta chain; Complement C4-B alpha chain; C4a anaphylatoxin; C4b-B; C4d-B; Complement C4 gamma chain] | C4B CO4 CPAMD3; C4B_2 | Q6U2E9 | 1 |
| Complement component 1 Q subcomponent-binding protein, mitochondrial (Complement component 1, q subcomponent binding protein, isoform CRA_a) | C1QBP hCG_2040042 | I3L3B0 | 1 |
| Complement component 1 Q subcomponent-binding protein, mitochondrial (Fragment) | C1QBP | I3L3Q7 | 1 |
| Complement component C8 beta chain | C8B | F5H7G1 | 1 |
| Complement decay-accelerating factor | CD55 | H7BY55 | 1 |
| Complement decay-accelerating factor (CD antigen CD55) | CD55 CR DAF | Q14UF4 | 1 |
| Complement factor B (EC 3.4.21.47) (C3/C5 convertase) (Glycine-rich beta glycoprotein) (GBG) (PBF2) (Properdin factor B) [Cleaved into: Complement factor B Ba fragment; Complement factor B Bb fragment] | CFB BF BFD | B0QZQ6 | 1 |
| Complement factor H-related protein 1 | CFHR1 | B1AKG0 | 1 |
| Complement factor H-related protein 3 | CFHR3 | A0A087WYK9 | 1 |
| Complement factor H-related protein 4 | CFHR4 | A0A0C4DH21 | 1 |