Lineage

Root
1. Class Alpha and beta proteins (a+b) [53931] (53931)

Fold

PUG domain-like (143502)

alpha(2)-beta-alpha(2)-beta(2)-alpha; cluster of helices with a small antiparallel beta-sheet on one side; order 132; topological similarity to the fold of an extended R3H domain (PDB 1whr)

Superfamily Children