Class a: All alpha proteins [46456] (179 folds) |
Fold a.26: 4-helical cytokines [47265] (1 superfamily) core: 4 helices; bundle, closed; left-handed twist; 2 crossover connections |
Superfamily a.26.1: 4-helical cytokines [47266] (3 families) there are two different topoisomers of this fold with different entanglments of the two crossover connections |
Family a.26.1.1: Long-chain cytokines [47267] (9 proteins) |
Protein Prolactin (placental lactogen) [47278] (2 species) |
Species Human (Homo sapiens) [TaxId:9606] [89035] (1 PDB entry) |
Domain d1n9da_: 1n9d A: [85464] |
Timeline for Species Human (Homo sapiens) [TaxId:9606] from a.26.1.1 Prolactin (placental lactogen):