- Classes: Membrane and cell surface proteins and peptides
- Folds: Single transmembrane helix
- Superfamilies: Photosystem II reaction center protein I, PsbI
- Families: PsbI-like
Protein Domains:
- Photosystem II reaction center protein I, PsbI
- [A2B2C2D2E2F2G2H2I2J2K2L2M2N2O2P2Q2], [A2B2C2D2E2F2G2H2I2J2K2L2M2N2O2P2Q2R2S2T2], [ABCDEFGHIJKLMNOPQR], [ABCDEFGHIJKLMNOPQ], [ABCDEFGHIJKLMNO]
- [A2B2C2D2E2F2G2H2I2J2K2L2M2N2O2P2Q2R2S2T2], [ABCDEFGHIJKLMNOPQRST]
- [A2B2C2D2E2F2G2H2I2J2K2L2M2N2O2P2Q2R2S2], [ABCDEFGHIJKLMNOPQRST], [A2B2C2D2E2F2G2H2I2J2K2L2M2N2O2P2Q2R2][a2], [A2B2C2D2E2F2G2H2I2J2K2L2M2N2O2P2Q2R2S2T], [ABCDEFGHIJKLMNOPQ][a], [ABCDEFGHIJKLM][a]
* [ ] : Polypeptide - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
