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 | 
Enzyme Information
UniProtKB Entries (1)
| V5IRU7 | 
						 V5IRU7_9INFA 
						Influenza A virus 
						Hemagglutinin HA2 
					 | 
				
PDB Structure
| PDB | 4LCX | 
| External Links | |
| Method | X-RAY DIFFRACTION | 
| Organism | |
| Primary Citation | 
					 Structures and receptor binding of hemagglutinins from human-infecting H7N9 influenza viruses. 
					    
					    Science 
					    
					 | 
			
