Fold: Arginase/deacetylase

3 layers: a/b/a, parallel beta-sheet of 8 strands, order 21387456

Lineage:

1. Root: scop
2. Class: Alpha and beta proteins (a/b)
   Mainly parallel beta sheets (beta-alpha-beta units)
3. Fold: Arginase/deacetylase
   3 layers: a/b/a, parallel beta-sheet of 8 strands, order 21387456

Superfamilies:

1. Arginase/deacetylase (2)
   1. Arginase (2)
   2. Histone deacetylase, HDAC (1)