Table 3.
Normal plasma concentration of zymogens of coagulation proteases reported to cleave complement components (top section). Normal plasma concentration of complement components reported to be cleaved by coagulation proteases (lower section)
| Coagulation zymogen | Mw | Plasma concentration | |
| kDa | mg/L | μM | |
| FXII | 100 | 30 | 0.3 |
| FXI | 160 | 5 | 0.03 |
| FX | 55 | 10 | 0.2 |
| FIX | 55 | 5 | 0.09 |
| Prothrombin | 72 | 140 | 1.9 |
| Plasminogen | 90 | 130 | 1.4 |
| Complement component | Mw | Plasma concentration | |
| kDa | mg/L | μM | |
| C1q | 400 | 250 | 0.6 |
| C1r | 80 | 50 | 0.6 |
| C1s | 85 | 50 | 0.6 |
| C4 | 200 | 400 | 2 |
| C3 | 185 | 1500 | 8 |
| C2 | 108 | 20 | 0.2 |
| Factor B | 93 | 200 | 2.1 |
| C5 | 180 | 80 | 0.4 |