- Classes: All alpha proteins
 - Folds: DBL homology domain (DH-domain)
 - Superfamilies: DBL homology domain (DH-domain)
 - Families: DBL homology domain (DH-domain)
 
Protein Domains:
- Dbl's big sister, Dbs
- [AB]
 
 - GEF of TIAM1 (T-Lymphoma invasion and metastasis inducing protein 1)
- [AB]
 
 - GEF of intersectin
- [AB]
 
 - Rho guanine nucleotide exchange factor 9, Collybistin
- [AB]
 
 - Son of sevenless-1 (sos-1)
- [A]
 
 - Triple functional domain protein TRIO
- [A], [AB]
 
 
	* [ ] : Polypeptide  - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
