Class d: Alpha and beta proteins (a+b) [53931] (224 folds) |
Fold d.153: Ntn hydrolase-like [56234] (2 superfamilies) 4 layers: alpha/beta/beta/alpha; has an unusual sheet-to-sheet packing |
Superfamily d.153.1: N-terminal nucleophile aminohydrolases (Ntn hydrolases) [56235] (5 families) N-terminal residue provides two catalytic groups, nucleophile and proton donor |
d.153.1.1: Class II glutamine amidotransferases [56236] (5 proteins) has slightly different topology than other families do |
d.153.1.2: Penicillin acylase, catalytic domain [56244] (2 proteins) |
d.153.1.3: Penicillin V acylase [56248] (1 protein) |
d.153.1.4: Proteasome subunits [56251] (3 proteins) |
d.153.1.5: (Glycosyl)asparaginase [56261] (1 protein) |
Timeline for Superfamily d.153.1: N-terminal nucleophile aminohydrolases (Ntn hydrolases):