Superfamily: Homeodomain-like

consists only of helices

Lineage:

1. Root: scop
2. Class: All alpha proteins
3. Fold: DNA/RNA-binding 3-helical bundle
   core: 3-helices; bundle, closed or partly opened, right-handed twist; up-and down
4. Superfamily: Homeodomain-like
   consists only of helices

Families:

1. Homeodomain (19)
2. Recombinase DNA-binding domain (5)
3. Myb (3)
4. DNA-binding domain of human telomeric protein, htrf1 (1)
5. Paired domain (2)
   duplication: consists of two domains of this fold
6. DNA-binding domain of rap1 (1)
   duplication: consist of two domains of this fold
7. DNA-binding domain of centromere binding protein B (CENP-B) (1)
8. AraC type transcriptional activator (2)
   duplication: consists of two structural repeats bipartite HTH protein
9. Tetracyclin repressor (Tet-repressor, TetR), N-terminal domain (1)