Fold: MutS N-terminal domain-like

beta(2)-alpha-beta(2)-alpha; 2 layers, alpha/beta

Lineage:

1. Root: scop
2. Class: Alpha and beta proteins (a+b)
   Mainly antiparallel beta sheets (segregated alpha and beta regions)
3. Fold: MutS N-terminal domain-like
   beta(2)-alpha-beta(2)-alpha; 2 layers, alpha/beta

Superfamilies:

1. tRNA splicing endonuclease EdnA, N-terminal domain (1)
2. DNA repair protein MutS, domain I (1)