| CCN family member 4 | 40.331 | UniProtKB |
| CD40L | 29.274 | UniProtKB |
| Cell adhesion molecule CEACAM1 | 57.56 | UniProtKB |
| Cell adhesion molecule CEACAM6 | 37.237 | UniProtKB |
| Cell adhesion molecule CEACAM8 | 38.154 | UniProtKB |
| Cellular communication network factor 6 | 39.293 | UniProtKB |
| Ceruloplasmin | 122.205 | UniProtKB |
| Chitinase-3-like protein 1 | 42.625 | UniProtKB |
| Choose MDC instead! MDC [Macrophage-Derived Chemokine] | 10.625 | UniProtKB |
| Chorionic gonadotropin (hCG) | 37.5 | 8408467 |
