| Carboxypeptidase N catalytic chain | 52.286 | UniProtKB |
| Carcinoembryonic antigen (CEA) | 180 | Found via general search |
| Cardiac Troponin I (cTnI) | 23.9 | Found via general search |
| Cathelicidin (LL-37) | 4.5 | Found via general search |
| Cathepsin B | 37.822 | UniProtKB |
| Cathepsin D | 44.552 | UniProtKB |
| Cathepsin S | 37.496 | UniProtKB |
| C-C chemokine receptor type 1 | 41.173 | UniProtKB |
| C-C motif chemokine 3 | 10.085 | UniProtKB |
| CCL1 [C-C motif chemokine Ligand 1] | 10.99 | Found via general search |
