4mtd

X-ray diffraction
2.5Å resolution

Zinc Uptake Regulator Complexed With Zinc AND DNA

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Zinc uptake regulation protein Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 171 amino acids
Theoretical weight: 19.28 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0AC51 (Residues: 1-171; Coverage: 100%)
Gene names: JW5714, b4046, yjbK, zur
Sequence domains: Ferric uptake regulator family
Structure domains:
znuABC operator DNA Chain: Y
Molecule details ›
Chain: Y
Length: 33 nucleotides
Theoretical weight: 10.21 KDa
Source organism: Escherichia coli K-12
Expression system: Not provided
znuABC operator DNA Chain: Z
Molecule details ›
Chain: Z
Length: 33 nucleotides
Theoretical weight: 10.09 KDa
Source organism: Escherichia coli K-12
Expression system: Not provided

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-F
Spacegroup: C2
Unit cell:
a: 193.324Å b: 80.47Å c: 98.77Å
α: 90° β: 120.15° γ: 90°
R-values:
R R work R free
0.236 0.234 0.271
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided