EC Number   |
Natural Substrates |
|---|
   3.4.21.42 | complement C1q zymogen + H2O |
C1s-C1q Collagen interface, the three collagen-like peptides form a right-handed helix with a characteristic one residue stagger between adjacent strands, overview |
| 3.4.21.42 | complement C1q zymogen + H2O |
- |
| 3.4.21.42 | complement C4 + H2O |
- |
| 3.4.21.42 | complement C4 zymogen + H2O |
- |
| 3.4.21.42 | complement C4-bound C2 zymogen + H2O |
- |
| 3.4.21.42 | complement C4b-bound C2 + H2O |
- |
| 3.4.21.42 | complement component C2 + H2O |
- |
| 3.4.21.42 | complement component C4 + H2O |
- |
| 3.4.21.42 | gp120 + H2O |
- |
| 3.4.21.42 | insulin-like growth factor-binding protein-5 + H2O |
the enzyme accounts for cleavage of insulin-like growth factor-binding protein-5 in fibroblast medium |
