1u8r

X-ray diffraction
2.75Å resolution

Crystal Structure of an IdeR-DNA Complex Reveals a Conformational Change in Activated IdeR for Base-specific Interactions

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-114690 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Iron-dependent repressor IdeR Chains: A, B, C, D, G, H, I, J
Molecule details ›
Chains: A, B, C, D, G, H, I, J
Length: 230 amino acids
Theoretical weight: 25.28 KDa
Source organism: Mycobacterium tuberculosis
Expression system: Escherichia coli
UniProt:
  • Canonical: P9WMH1 (Residues: 1-230; Coverage: 100%)
Gene names: MTCY05A6.32, Rv2711, dtxR, ideR
Sequence domains:
Structure domains:
mbtA operator DNA Chains: E, K
Molecule details ›
Chains: E, K
Length: 33 nucleotides
Theoretical weight: 10.11 KDa
Source organism: Mycobacterium tuberculosis
Expression system: Not provided
mbtB operator DNA Chains: F, L
Molecule details ›
Chains: F, L
Length: 33 nucleotides
Theoretical weight: 10.19 KDa
Source organism: Mycobacterium tuberculosis
Expression system: Not provided

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.2
Spacegroup: P31
Unit cell:
a: 107.959Å b: 107.959Å c: 215.124Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.232 0.23 0.265
Expression systems:
  • Escherichia coli
  • Not provided