- Classes: All alpha proteins
 - Folds: GUN4-like
 - Superfamilies: GUN4-like
 - Families: GUN4-like
 
Protein Domains:
- GUN4-like protein Ycf53
- [A]
 
 - Mg-chelatase cofactor Gun4
- [A]
 - [A]
 
 
	* [ ] : Polypeptide  - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
