Fold: HAD-like

2 domains: (1) alpha/beta with a Rossmann-fold topology, (2) 4-helical bundle

Lineage:

1. Root: scop
2. Class: Multi-domain proteins (alpha and beta)
   Folds consisting of two or more domains belonging to different classes
3. Fold: HAD-like
   2 domains: (1) alpha/beta with a Rossmann-fold topology, (2) 4-helical bundle

Superfamilies:

1. HAD-like (3)
   1. L-2-Haloacid dehalogenase, HAD (2)
   2. Epoxide hydrolase, N-terminal domain (1)
   3. Phosphonoacetaldehyde hydrolase (1)