CATH Classification
| Level | CATH Code | Description | 
|---|---|---|
|   | 3 | Alpha Beta | 
|   | 3.90 | Alpha-Beta Complex | 
|   | 3.90.209 | Hemagglutinin (Ha1 Chain); Chain: A; domain 1 | 
|   | 3.90.209.20 | Haemagglutinin, alpha/beta domain, HA1 chain | 
Domain Context
CATH Clusters
| Superfamily | 3.90.209.20 | 
| Functional Family | Hemagglutinin | 
Enzyme Information
UniProtKB Entries (1)
| P03437 | HEMA_I68A0 Influenza A virus (A/Aichi/2/1968(H3N2)) Hemagglutinin | 
PDB Structure
| PDB | 4HMG | 
| External Links | |
| Method | X-RAY DIFFRACTION | 
| Organism | |
| Primary Citation | Refinement of the influenza virus hemagglutinin by simulated annealing. J.Mol.Biol. | 
