- Classes: All beta proteins
- Folds: Transcription factor IIA (TFIIA), beta-barrel domain
- Superfamilies: Transcription factor IIA (TFIIA), beta-barrel domain
- Families: Transcription factor IIA (TFIIA), beta-barrel domain
Protein Domains:
- Large chain TOA1, C-terminal domain
- [ABCD](AB)
- [ABCD](AB)
- Small chain TOA2, C-terminal domain
- [ABC](AB), [ABCD](AB)
- [ABCD](AB)
* [ ] : Polypeptide - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA