› 3cdh

X-ray diffraction
2.69Å resolution

Crystal structure of the MarR family transcriptional regulator SPO1453 from Silicibacter pomeroyi DSS-3

Released:
DOI: 10.2210/pdb3cdh/pdb
PDB entry 3cdh coloured by chain, front view.
PDB entry 3cdh coloured by chain, side view.
PDB entry 3cdh coloured by chain, top view.
Source organism: Ruegeria pomeroyi DSS-3
Entry authors: Kim Y, Volkart L, Keigher L, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo tetramer
Assembly name:
PDBe Complex ID:
PDB-CPX-177565 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH marR-type domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 155 amino acids
Theoretical weight: 17.63 KDa
Source organism: Ruegeria pomeroyi DSS-3
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q5LTG1 (Residues: 1-152; Coverage: 100%)
Gene name: SPO1453
Sequence domains: MarR family
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain

Ligands and Environments

2 bound ligands:
Ligand SO4 6 x SO4
Ligand GOL 3 x GOL
1 modified residue:
Ligand MSE 12 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: P6222
Unit cell:
a: 124.14Å b: 124.14Å c: 140.186Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.202 0.2 0.227
Expression system: Escherichia coli BL21(DE3)

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