Fold: The "swivelling" beta/beta/alpha domain [52008]
3 layers: b/b/a; the central sheet is parallel, and the other one is antiparallel; there are some variations in topology this domain is thought to be mobile in most multi-domain proteins known to contain it
Superfamily: RraA-like [89562]
structural similarity and possible distant homology to the phosphohistidine domain of pyruvate phosphate dikinase uperfamily
Families:
RraA-like [89563] (4) aka MenG-like; characterized as regulator of RNase E activity A (RraA) that globally modulates RNA abundance in E. coli