| CA125 (cancer antigen 125) | 600 | Found via general search |
| CA 72-4 (cancer antigen 72-4) | 600 | Found via general search |
| C9 (Complement component 9) | 63.173 | UniProtKB |
| C8 (Complement component 8) | 150 | Found via general search |
| C6 (Complement component 6) | 104.786 | UniProtKB |
| C5a anaphylatoxin chemotactic receptor 1 | 39.336 | UniProtKB |
| C5 (Complement component 5) | 188.305 | UniProtKB |
| C4b-binding protein | 570 | Found via general search |
| C4 (Complement component 4) | 230 | 601508 |
| C3d (Complement component 3d) | 33.8 | Found via general search |
