4iht

X-ray diffraction
3Å resolution

Crystal Structure of BenM_DBD/benA site 1 DNA Complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-117643 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
HTH-type transcriptional regulator BenM Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 94 amino acids
Theoretical weight: 10.94 KDa
Source organism: Acinetobacter baylyi ADP1
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O68014 (Residues: 1-87; Coverage: 29%)
Gene names: ACIAD1435, benM, benR
Sequence domains: Bacterial regulatory helix-turn-helix protein, lysR family
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
benA site 1 DNA Chains: E, G
Molecule details ›
Chains: E, G
Length: 25 nucleotides
Theoretical weight: 7.65 KDa
Source organism: Acinetobacter baylyi ADP1
Expression system: Not provided
benA site 1 DNA - complement Chains: F, H
Molecule details ›
Chains: F, H
Length: 25 nucleotides
Theoretical weight: 7.7 KDa
Source organism: Acinetobacter baylyi ADP1
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P21212
Unit cell:
a: 58.956Å b: 300.295Å c: 46.003Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.188 0.184 0.245
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided