Superfamily: C-terminal domain of RNA polymerase alpha subunit

contains one classic and one pseudo HhH motifs

Lineage:

1. Root: scop
2. Class: All alpha proteins
3. Fold: SAM domain-like
   4-5 helices; bundle of two orthogonally packed alpha-hairpins; involved in the interactions with DNA and proteins
4. Superfamily: C-terminal domain of RNA polymerase alpha subunit
   contains one classic and one pseudo HhH motifs

Families:

1. C-terminal domain of RNA polymerase alpha subunit (2)
   1. C-terminal domain of RNA polymerase alpha subunit
      1. Escherichia coli (1)
      2. Thermus thermophilus (1)