- Classes: All alpha proteins
 - Folds: PTPA-like
 - Superfamilies: PTPA-like
 - Families: PTPA-like
 
Protein Domains:
- Serine/threonine-protein phosphatase 2A regulatory subunit B', PTPA
- [A], [A2][a2]
 - [A]
 
 - automated matches
- [A], [A2][a2]
 - [ABC]
 
 
	* [ ] : Polypeptide  - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
