Fold: Putative DNA-binding domain

core: 3 helices; architecture is similar to that of the "winged helix" fold but topology is different

Lineage:

1. Root: scop
2. Class: All alpha proteins
3. Fold: Putative DNA-binding domain
   core: 3 helices; architecture is similar to that of the "winged helix" fold but topology is different

Superfamilies:

1. Putative DNA-binding domain (3)
   1. Domains B1 and B5 of PheRS-beta, PheT (1)
      dulication: contains two such domains related by pseudodyad
   2. DNA repair factor XPA DNA- and RPA-binding domain, C-terminal subdomain (1)
   3. DNA-binding domain of transcription activator BmrR (1)