Lineage for Family b.18.1.27: Beta-galactosidase LacA, domains 4 and 5

1. Root: SCOPe 2.08

2. Class b: All beta proteins [48724] (180 folds)

3. Fold b.18: Galactose-binding domain-like [49784] (1 superfamily) sandwich; 9 strands in 2 sheets; jelly-roll

4. Superfamily b.18.1: Galactose-binding domain-like [49785] (35 families)

5. Family b.18.1.27: Beta-galactosidase LacA, domains 4 and 5 [117111] (1 protein) duplication: tandem repeat of two similar domains; some sequence similarity to the beta-Galactosidase/glucuronidase N-terminal domain (49803)