- Classes: All alpha proteins
 - Folds: PAH2 domain
 - Superfamilies: PAH2 domain
 - Families: PAH2 domain
 
Protein Domains:
- Sin3A
- [A][a], [A], [AB]
 
 - Sin3B
- [A], [A][a]
 
 - automated matches
- [AB]
 - [AB]
 
 
	* [ ] : Polypeptide  - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
