| Class a: All alpha proteins [46456] (171 folds) | 
| Fold a.74: Cyclin-like [47953] (1 superfamily) core: 5 helices; one helix is surrounded by the others  | 
Superfamily a.74.1: Cyclin-like [47954] (3 families) ![]() duplication: consists of two domains of this fold  | 
| Family a.74.1.1: Cyclin [47955] (4 proteins) | 
| Protein Viral cyclin [47961] (3 species) | 
| Species Murine herpes virus gamma 68 [47963] (1 PDB entry) | 
| Domain d1f5qb1: 1f5q B:6-146 [18362] Other proteins in same PDB: d1f5qa_, d1f5qc_  | 
| Domain d1f5qb2: 1f5q B:147-252 [18363] Other proteins in same PDB: d1f5qa_, d1f5qc_  | 
| Domain d1f5qd1: 1f5q D:5-146 [18364] Other proteins in same PDB: d1f5qa_, d1f5qc_  | 
| Domain d1f5qd2: 1f5q D:147-252 [18365] Other proteins in same PDB: d1f5qa_, d1f5qc_ complexed with cl  | 
Timeline for Species Murine herpes virus gamma 68 from a.74.1.1 Viral cyclin: