Class c: Alpha and beta proteins (a/b) [51349] (147 folds) |
Fold c.30: PreATP-grasp domain [52439] (1 superfamily) 3 layers: a/b/a; parallel or mixed beta-sheet of 4 to 6 strands possible rudiment form of Rossmann-fold domain |
c.30.1: PreATP-grasp domain [52440] (8 families) precedes the ATP-grasp domain common to all superfamily members, can contain a substrate-binding function |
Timeline for Fold c.30: PreATP-grasp domain: