› 3oio

X-ray diffraction
1.65Å resolution

Crystal structure of transcriptional regulator (AraC-type DNA-binding domain-containing proteins) from Chromobacterium violaceum

Released:
DOI: 10.2210/pdb3oio/pdb
PDB entry 3oio coloured by chain, front view.
PDB entry 3oio coloured by chain, side view.
PDB entry 3oio coloured by chain, top view.
Source organism: Chromobacterium violaceum
Entry authors: Chang C, Mack J, Feldman B, 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

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-181828 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH araC/xylS-type domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 113 amino acids
Theoretical weight: 12.84 KDa
Source organism: Chromobacterium violaceum
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q7NTG7 (Residues: 216-325; Coverage: 33%)
Gene names: CV_3088, argR
Sequence domains: Helix-turn-helix domain
Structure domains: Homeodomain-like

Ligands and Environments

2 bound ligands:
Ligand CL 1 x CL
Ligand SO4 1 x SO4
1 modified residue:
Ligand MSE 1 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P65
Unit cell:
a: 96.753Å b: 96.753Å c: 33.312Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.163 0.161 0.182
Expression system: Escherichia coli BL21(DE3)

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