[AB](A2)
- Classes: All alpha proteins
- Folds: HLH-like
- Superfamilies: HLH, helix-loop-helix DNA-binding domain
- Families: HLH, helix-loop-helix DNA-binding domain
Protein Domains:
- Mad protein
- Max protein
- Myc proto-oncogene protein
- Myod B/HLH domain
* [ ] : Polypeptide - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA