| Ciliary neurotrophic factor | 22.931 | UniProtKB |
| Chymase | 27.325 | UniProtKB |
| Chorionic somatomammotropin hormone 1 | 25.02 | UniProtKB |
| Chorionic gonadotropin (hCG) | 37.5 | 8408467 |
| Choose MDC instead! MDC [Macrophage-Derived Chemokine] | 10.625 | UniProtKB |
| Chitinase-3-like protein 1 | 42.625 | UniProtKB |
| Ceruloplasmin | 122.205 | UniProtKB |
| Cellular communication network factor 6 | 39.293 | UniProtKB |
| Cell adhesion molecule CEACAM8 | 38.154 | UniProtKB |
| Cell adhesion molecule CEACAM6 | 37.237 | UniProtKB |
