Class a: All alpha proteins [46456] (171 folds) |
Fold a.25: Ferritin-like [47239] (1 superfamily) core: 4 helices; bundle, closed, left-handed twist; 1 crossover connection |
a.25.1: Ferritin-like [47240] (2 families) contains dimetal-ion centre in the middle of the bundle |
Timeline for Fold a.25: Ferritin-like: