- Classes: Alpha and beta proteins (a+b)
- Folds: Pili subunits
- Superfamilies: Pili subunits
- Families: automated matches
Protein Domains:
- automated matches
- [A]
- [AB]
- [A], [AB], [ABC], [A3B3C3]
* [ ] : Polypeptide - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA