CATH Classification
| Level | CATH Code | Description | 
|---|---|---|
 
	 | 
    2 | Mainly Beta | 
 
	 | 
    2.40 | Beta Barrel | 
 
	 | 
    2.40.70 | Cathepsin D, subunit A; domain 1 | 
 
	 | 
    2.40.70.10 | Acid Proteases | 
Domain Context
CATH Clusters
| Superfamily | Acid Proteases | 
| Functional Family | Gag-Pol polyprotein | 
Enzyme Information
UniProtKB Entries (1)
| Q903N5 | 
						 Q903N5_9HIV1 
						Human immunodeficiency virus 1 
						Protease 
					 | 
				
PDB Structure
| PDB | 2HB4 | 
| External Links | |
| Method | X-RAY DIFFRACTION | 
| Organism | Escherichia | 
| Primary Citation | 
					 Conformational flexibility in the flap domains of ligand-free HIV protease. 
					    
					    Acta Crystallogr.,Sect.D 
					    
					 | 
			
