- Classes: Alpha and beta proteins (a+b)
 - Folds: Nitric oxide (NO) synthase oxygenase domain
 - Superfamilies: Nitric oxide (NO) synthase oxygenase domain
 - Families: Nitric oxide (NO) synthase oxygenase domain
 
Protein Domains:
- Nitric oxide (NO) synthase oxygenase domain
- [A2]
 - [A2], [AB]
 - [A2]
 - [A2], [A], [A3]
 - [A2], [A]
 - [A2]
 
 - automated matches
- [A2]
 - [A], [A2]
 - [A2], [AB]
 - [A2], [A4]
 - [A2], [A2][a2]
 - [A2]
 
 
	* [ ] : Polypeptide  - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
