CATH Classification
| Level | CATH Code | Description | 
|---|---|---|
|   | 3 | Alpha Beta | 
|   | 3.40 | 3-Layer(aba) Sandwich | 
|   | 3.40.50 | Rossmann fold | 
|   | 3.40.50.410 | von Willebrand factor, type A domain | 
Domain Context
CATH Clusters
| Superfamily | von Willebrand factor, type A domain | 
| Functional Family | Complement C2 | 
Enzyme Information
| 3.4.21.43 | Classical-complement-pathway C3/C5 convertase. based on mapping to UniProt P06681 Selective cleavage of Arg-|-Ser bond in complement component C3 alpha- chain to form C3a and C3b, and Arg-|-Xaa bond in complement component C5 alpha-chain to form C5a and C5b. -!- A complex of complement fragments C4b, C2a and C2b. -!- Belongs to peptidase family S1. -!- Formerly EC 3.4.21.44. | 
UniProtKB Entries (1)
| P06681 | CO2_HUMAN Homo sapiens Complement C2 | 
PDB Structure
| PDB | 2I6S | 
| External Links | |
| Method | X-RAY DIFFRACTION | 
| Organism | Mesocricetus | 
| Primary Citation | Structure of complement component c2a: implications for convertase formation and substrate binding. Structure | 
