Fold: SpoIIaa-like

core: 4 turns of a (beta-alpha)n superhelix

Lineage:

1. Root: scop
2. Class: Alpha and beta proteins (a/b)
   Mainly parallel beta sheets (beta-alpha-beta units)
3. Fold: SpoIIaa-like
   core: 4 turns of a (beta-alpha)n superhelix

Superfamilies:

1. C-terminal domain of phosphatidylinositol transfer protein sec14p (1)
2. SpoIIaa (1)