Lineage for d1r23b_ (1r23 B:)

  1. Root: SCOPe 2.05
  2. 1715731Class a: All alpha proteins [46456] (286 folds)
  3. 1720410Fold 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. 1721437Superfamily a.4.5: "Winged helix" DNA-binding domain [46785] (85 families) (S)
    contains a small beta-sheet (wing)
  5. 1721585Family a.4.5.5: ArsR-like transcriptional regulators [46801] (5 proteins)
    The N- and C-terminal helical extensions to the common fold form the dimer interface
  6. 1721606Protein SmtB repressor [46802] (1 species)
  7. 1721607Species Cyanobacteria (Synechococcus), pcc7942 [TaxId:1129] [46803] (4 PDB entries)
    Uniprot P30340
  8. 1721611Domain d1r23b_: 1r23 B: [104780]
    complexed with zn

Details for d1r23b_

PDB Entry: 1r23 (more details), 2 Å

PDB Description: Crystal structure of the cyanobacterial metallothionein repressor SmtB in the Zn1-form (one Zn(II) per dimer)
PDB Compounds: (B:) Transcriptional repressor smtB

SCOPe Domain Sequences for d1r23b_:

Sequence; same for both SEQRES and ATOM records: (download)

>d1r23b_ a.4.5.5 (B:) SmtB repressor {Cyanobacteria (Synechococcus), pcc7942 [TaxId: 1129]}

SCOPe Domain Coordinates for d1r23b_:

Click to download the PDB-style file with coordinates for d1r23b_.
(The format of our PDB-style files is described here.)

Timeline for d1r23b_: