EC Number   |
Activating Compound |
Reference |
|---|
   3.4.21.45 | beta1H |
potentiates the action of the enzyme on C3b |
95489 |
| 3.4.21.45 | beta1H |
required for cleavage of C3b |
95491 |
| 3.4.21.45 | C3b receptor |
obligate cofactor for factor I-mediated cleavage of cell bound C3bi |
95486 |
| 3.4.21.45 | C4-binding protein |
C4-binding protein or C4bC3bINACo required for cleavage of C4b |
95491 |
| 3.4.21.45 | C4-binding protein |
cofactor |
95489 |
| 3.4.21.45 | C4-binding protein |
required for hydrolysis of C4b |
95484 |
| 3.4.21.45 | C4b binding protein |
C4BP, required for activity, dependent on |
732047, 732690 |
| 3.4.21.45 | C4bC3bINACo |
C4-binding protein or C4bC3bINACo required for cleavage of C4b |
95491 |
| 3.4.21.45 | C4bC3bINACo |
cofactor in cleavage of C4b |
95490 |
| 3.4.21.45 | complement component CR1 |
soluble, required for activity, dependent on |
732425 |
