Fold: PDZ domain-like

contains barrel, partly opened; n*=4, S*=8; meander; capped by alpha-helix

Lineage:

1. Root: scop
2. Class: All beta proteins
3. Fold: PDZ domain-like
   contains barrel, partly opened; n*=4, S*=8; meander; capped by alpha-helix

Superfamilies:

1. PDZ domain-like (4)
   peptide-binding domain
   1. PDZ domain (12)
   2. Tail specific protease PDZ domain (2)
   3. HtrA-like serine proteases (2)
   4. Interleukin 16 (1)