- Classes: All alpha proteins
 - Folds: Surp module (SWAP domain)
 - Superfamilies: Surp module (SWAP domain)
 - Families: Surp module (SWAP domain)
 
Protein Domains:
- Arginine/serine-rich-splicing factor 14
- [A]
 
 - Splicing factor 3 subunit 1, SF3A1
- [A], [AB]
 
 - Splicing factor 4
- [A]
 
 
	* [ ] : Polypeptide  - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
