- Classes: Peptides
 - Folds: Pre-mRNA splicing factor Snu66-like
 - Superfamilies: Pre-mRNA splicing factor Snu66-like
 - Families: Pre-mRNA splicing factor Sart1 / Snu66-like
 
Protein Domains:
- Pre-mRNA splicing factor Sart1 / Snu66
- [A2B2C2D2E2F2G2HIJKLMNOPQRSTUVWX](abc)
 - [A3B3C3D3E3F3G3HIJKLMNOPQRSTUVWXYZabcdefghijkl](abcde)
 
 
	* [ ] : Polypeptide  - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
