- Classes: All beta proteins
- Folds: L21p-like
- Superfamilies: L21p-like
- Families: Ribosomal protein L21p
Protein Domains:
- Ribosomal protein L21p
- [ABCDEFGHIJKLMNOPQRSTUVWXYZabc](ab), [ABCDEFGHIJKLMNOPQRSTUVWXYZab][a](ab), [ABCDEFGHIJKLMNOPQRSTUVWXYZab](ab)
- [ABCDEFGHIJKLMNOPQRSTUVWXYZabcd][a](abc), [ABCDEFGHIJKLMNOPQRSTUVWXYZabcdef](ab), [ABCDEFGHIJKLMNOPQRSTUVWXYZab](ab)
* [ ] : Polypeptide - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
