- Classes: Alpha and beta proteins (a/b)
- Folds: The 'swivelling' beta/beta/alpha domain
- Superfamilies: PA domain
- Families: PA domain
Protein Domains:
- Glutamate carboxypeptidase II
- [A2], [A]
- Transferrin receptor ectodomain, apical domain
- [A2], [A2B2], [A2B2C2]
* [ ] : Polypeptide - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
