Fold: Anticodon-binding domain-like

3 layers: a/b/a; mixed beta-sheet of five strands, order 21345; strand 4 is antiparallel to the rest

Lineage:

1. Root: scop
2. Class: Alpha and beta proteins (a/b)
   Mainly parallel beta sheets (beta-alpha-beta units)
3. Fold: Anticodon-binding domain-like
   3 layers: a/b/a; mixed beta-sheet of five strands, order 21345; strand 4 is antiparallel to the rest

Superfamilies:

1. Anticodon-binding domain of Class II aaRS (1)
2. TolB, N-terminal domain (1)
3. Diol dehydratase, beta subunit (1)
4. Maf/Ham1 (2)
   elaborated with additional structures inserted in the common fold