Lineage for Family d.153.1.3: Penicillin V acylase

1. Root: SCOP 1.69

2. Class d: Alpha and beta proteins (a+b) [53931] (279 folds)

3. Fold d.153: Ntn hydrolase-like [56234] (2 superfamilies) 4 layers: alpha/beta/beta/alpha; has an unusual sheet-to-sheet packing

4. Superfamily d.153.1: N-terminal nucleophile aminohydrolases (Ntn hydrolases) [56235] (5 families) N-terminal residue provides two catalytic groups, nucleophile and proton donor

5. Family d.153.1.3: Penicillin V acylase [56248] (1 protein)