Number of Protein Chains:4
- Classes: Alpha and beta proteins (a/b)
 - Folds: P-loop containing nucleoside triphosphate hydrolases
 - Superfamilies: P-loop containing nucleoside triphosphate hydrolases
 
Families:
- 9
 - 2
 - 6
 - 1
 - 36
 - 3
 - 15
 - 10
 - 9
 - 2
 - 1
 - 6
 - 7
 - 40
 
* Number of PDB entries of each Family
	
	
