| Class e: Multi-domain proteins (alpha and beta) [56572] (66 folds) | 
| Fold e.40: Cullin homology domain [75631] (1 superfamily) 3 domains: (1) 4-helical bundle; (2) alpha+beta; (3) "winged helix"-like  | 
Superfamily e.40.1: Cullin homology domain [75632] (1 family) ![]()  | 
| Family e.40.1.1: Cullin homology domain [75633] (2 proteins) | 
| Protein Cullin homolog 1, cul-1 [75634] (1 species) | 
| Human (Homo sapiens) [TaxId:9606] [75635] (3 PDB entries) Uniprot Q13616 17-776  | 
Timeline for Protein Cullin homolog 1, cul-1 from e.40.1.1: Cullin homology domain: