Class d: Alpha and beta proteins (a+b) [53931] (385 folds) |
Fold d.149: Nitrile hydratase alpha chain [56208] (1 superfamily) 4 layers a/b/b/a; inside is a sandwich of two 2-stranded beta-sheets |
d.149.1: Nitrile hydratase alpha chain [56209] (2 families) duplication: contains two structural repeats |
Timeline for Fold d.149: Nitrile hydratase alpha chain: