Lineage for Family a.4.5.5: ArsR-like transcriptional regulators

  1. Root: SCOP 1.75
  2. 758332Class a: All alpha proteins [46456] (284 folds)
  3. 761139Fold a.4: DNA/RNA-binding 3-helical bundle [46688] (14 superfamilies)
    core: 3-helices; bundle, closed or partly opened, right-handed twist; up-and down
  4. 761866Superfamily a.4.5: "Winged helix" DNA-binding domain [46785] (84 families) (S)
    contains a small beta-sheet (wing)
  5. 761989Family a.4.5.5: ArsR-like transcriptional regulators [46801] (4 proteins)
    The N- and C-terminal helical extensions to the common fold form the dimer interface

Proteins:

  1. 761990Cadmium efflux system accessory protein CadC [140239] (1 species)
  2. 761996Metal-sensing transcriptional repressor CzrA [109664] (1 species)
  3. 762004Putative arsenical resistance operon repressor AF0168 [116786] (1 species)
    lacks the extra C-terminal helix
  4. 762008SmtB repressor [46802] (1 species)

More info for Family a.4.5.5: ArsR-like transcriptional regulators

Timeline for Family a.4.5.5: ArsR-like transcriptional regulators: