X-ray diffraction
2.3Å resolution

Zn-bound form of Cupriavidus metallidurans CH34 CnrXs

Primary publication:
Structural basis for metal sensing by CnrX.
J. Mol. Biol. 408 766-79 (2011)
PMID: 21414325

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Nickel and cobalt resistance protein CnrR Chains: A, B
Molecule details ›
Chains: A, B
Length: 118 amino acids
Theoretical weight: 13.31 KDa
Source organism: Cupriavidus metallidurans CH34
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P37975 (Residues: 31-148; Coverage: 97%)
Gene names: RMe0087, Rmet_6206, cnrR, cnrX
Structure domains: Four Helix Bundle (Hemerythrin (Met), subunit A)

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM30A
Spacegroup: I432
Unit cell:
a: 155.721Å b: 155.721Å c: 155.721Å
α: 90° β: 90° γ: 90°
R R work R free
0.21 0.207 0.259
Expression system: Escherichia coli BL21(DE3)