3ktb

X-ray diffraction
2.1Å resolution

Crystal Structure of Arsenical Resistance Operon Trans-acting Repressor from Bacteroides vulgatus ATCC 8482

Released:
Entry authors: Kim Y, Tesar C, Feldmann B, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
homo hexadecamer
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Arsenical resistance operon trans-acting repressor Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 106 amino acids
Theoretical weight: 11.92 KDa
Source organism: Bacteroides vulgatus ATCC 8482
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: A6L7X2 (Residues: 1-103; Coverage: 95%)
Gene name: BVU_4185
Structure domains: Glutaredoxin

Ligands and Environments

3 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: I4
Unit cell:
a: 115.911Å b: 115.911Å c: 83.579Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.175 0.172 0.219
Expression system: Escherichia coli BL21