› 2pex

X-ray diffraction
1.9Å resolution

Structure of reduced C22S OhrR from Xanthamonas Campestris

Released:
DOI: 10.2210/pdb2pex/pdb
PDB entry 2pex coloured by chain, front view.
PDB entry 2pex coloured by chain, side view.
PDB entry 2pex coloured by chain, top view.
Source organism: Xanthomonas campestris
Primary publication:
Structural mechanism of organic hydroperoxide induction of the transcription regulator OhrR.
Newberry KJ, Fuangthong M, Panmanee W, Mongkolsuk S, Brennan RG
Mol Cell 28 652-64 (2007)
PMID: 18042459

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-188118 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH marR-type domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 153 amino acids
Theoretical weight: 16.94 KDa
Source organism: Xanthomonas campestris
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q93R11 (Residues: 1-153; Coverage: 100%)
Gene names: XAP6984_560070, ohrR
Sequence domains: MarR family
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain

Ligands and Environments

1 bound ligand:
Ligand FMT 7 x FMT
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P212121
Unit cell:
a: 54.29Å b: 77.79Å c: 77.81Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.236 0.236 0.278
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

15 review citations

Thiol-based redox switches and gene regulation.
Antelmann et al. (2011)
14 more

6 mentions without citation

Peroxide-sensing transcriptional regulators in bacteria.
Dubbs et al. (2012)
5 more