1gxp

X-ray diffraction
2.5Å resolution

PhoB effector domain in complex with pho box DNA.

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-113881 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Phosphate regulon transcriptional regulatory protein PhoB Chains: A, B, E, F
Molecule details ›
Chains: A, B, E, F
Length: 106 amino acids
Theoretical weight: 12.36 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0AFJ5 (Residues: 124-229; Coverage: 46%)
Gene names: JW0389, b0399, phoB
Sequence domains: Transcriptional regulatory protein, C terminal
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
5'-D(*GP*AP*GP*CP*TP*GP*TP*CP*AP*TP* AP*AP*AP*GP*TP*TP*GP*TP*CP*AP*CP*GP*G)-3' Chains: C, G
Molecule details ›
Chains: C, G
Length: 23 nucleotides
Theoretical weight: 7.12 KDa
Source organism: Escherichia coli
Expression system: Not provided
5'-D(*CP*CP*CP*GP*TP*GP*AP*CP*AP*AP* CP*TP*TP*TP*AP*TP*GP*AP*CP*AP*GP*CP*T)-3' Chains: D, H
Molecule details ›
Chains: D, H
Length: 23 nucleotides
Theoretical weight: 7 KDa
Source organism: Escherichia coli
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: P61
Unit cell:
a: 74.106Å b: 74.106Å c: 289.682Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.247 0.244 0.289
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided