|  | Class g: Small proteins [56992] (98 folds) | 
|  | Fold g.17: Cystine-knot cytokines [57500] (1 superfamily) disulfide-rich fold; common core is all-beta | 
|  | Superfamily g.17.1: Cystine-knot cytokines [57501] (8 families)  | 
|  | Family g.17.1.4: Gonadodropin/Follitropin [57528] (4 proteins) | 
|  | Follicle stimulating hormone, follitropin, beta chain [64562] (1 species) | 
|  | Species Human (Homo sapiens) [TaxId:9606] [64563] (3 PDB entries) | 
|  | Glycoprotein hormones alpha chain (Gonadotropin A, Follitropin alpha) [63395] (1 species) | 
|  | Species Human (Homo sapiens) [TaxId:9606] [63397] (9 PDB entries) | 
|  | Gonadotropin B chain [63396] (1 species) | 
|  | Species Human (Homo sapiens) [TaxId:9606] [63398] (3 PDB entries) | 
|  | automated matches [194842] (2 species) not a true protein | 
|  | Species Bos taurus [TaxId:9913] [378075] (1 PDB entry) | 
|  | Species Human (Homo sapiens) [TaxId:9606] [194843] (1 PDB entry) | 
Timeline for Family g.17.1.4: Gonadodropin/Follitropin: