› 3q1m

X-ray diffraction
3.2Å resolution

Crystal Structure of BmrR Dimer bound to DNA and the ligand 4-amino-quinaldine

Released:
DOI: 10.2210/pdb3q1m/pdb
PDB entry 3q1m coloured by chain, front view.
PDB entry 3q1m coloured by chain, side view.
PDB entry 3q1m coloured by chain, top view.
Source organism: Bacillus subtilis
Primary publication:
Structural contributions to multidrug recognition in the multidrug resistance (MDR) gene regulator, BmrR.
Bachas S, Eginton C, Gunio D, Wade H
Proc Natl Acad Sci U S A 108 11046-51 (2011)
PMID: 21690368

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-116734 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
Multidrug-efflux transporter 1 regulator Chain: A
Molecule details ›
Chain: A
Length: 284 amino acids
Theoretical weight: 33.48 KDa
Source organism: Bacillus subtilis
Expression system: Escherichia coli
UniProt:
  • Canonical: P39075 (Residues: 1-276; Coverage: 99%)
Gene names: BSU24020, bmr1R, bmrR
Sequence domains:
Structure domains:
23 bp promoter DNA Chain: B
Molecule details ›
Chain: B
Length: 23 nucleotides
Theoretical weight: 7.06 KDa
Source organism: Bacillus subtilis
Expression system: Not provided

Ligands and Environments

1 bound ligand:
Ligand M4A 1 x M4A
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: P4322
Unit cell:
a: 106.525Å b: 106.525Å c: 146.469Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.231 0.229 0.272
Expression systems:
  • Escherichia coli
  • Not provided

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Citations

3 review citations

Targeting the Holy Triangle of Quorum Sensing, Biofilm Formation, and Antibiotic Resistance in Pathogenic Bacteria.
Sionov et al. (2022)
2 more

2 mentions without citation

Structural contributions to multidrug recognition in the multidrug resistance (MDR) gene regulator, BmrR.
Bachas et al. (2011)
1 more