3u2r

X-ray diffraction
2.2Å resolution

Crystal structure of MarR transcription factor from Planctomyces limnophilus

Released:
Entry authors: Michalska K, Li H, Bearden J, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

Biochemical function:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
homo tetramer
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH marR-type domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 168 amino acids
Theoretical weight: 19.9 KDa
Source organism: Planctopirus limnophila DSM 3776
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: D5SNV8 (Residues: 1-165; Coverage: 100%)
Gene name: Plim_0262
Sequence domains: MarR family
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P42212
Unit cell:
a: 64.97Å b: 64.97Å c: 87.26Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.206 0.201 0.253
Expression system: Escherichia coli BL21(DE3)