X-ray diffraction
1.9Å resolution

Crystal structure of the Zn(II) form of E. coli ZntR, a zinc-sensing transcriptional regulator, at 1.9 A resolution (space group P212121)


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
HTH-type transcriptional regulator ZntR Chains: A, B
Molecule details ›
Chains: A, B
Length: 99 amino acids
Theoretical weight: 11.11 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P0ACS5 (Residues: 43-141; Coverage: 70%)
Gene names: JW3254, b3292, yhdM, zntR
Sequence domains: MerR, DNA binding
Structure domains: Multidrug-efflux Transporter Regulator; Chain: A; Domain 2

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: P212121
Unit cell:
a: 41.989Å b: 46.681Å c: 118.927Å
α: 90° β: 90° γ: 90°
R R work R free
0.183 0.183 0.214
Expression system: Escherichia coli BL21(DE3)