| Class j: Peptides [58231] (129 folds) | 
| Fold j.6: Peptide hormones [58283] (1 superfamily) contains one alpha-helix  | 
Superfamily j.6.1: Peptide hormones [58284] (1 family) ![]() this is not a true superfamily  | 
| Family j.6.1.1: Peptide hormones [58285] (19 proteins) | 
| Protein Hypocretin-2/orexin- b' [58305] (1 species) | 
| Species Human (Homo sapiens) [TaxId:9606] [58306] (1 PDB entry) | 
| Domain d1cq0a_: 1cq0 A: [46108] | 
Timeline for Species Human (Homo sapiens) [TaxId:9606] from j.6.1.1 Hypocretin-2/orexin- b':