PDBe 3pht

X-ray diffraction
2.04Å resolution

Crystal structure of H74A mutant of Helicobacter Pylori NikR


Function and Biology Details

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Putative nickel-responsive regulator Chains: A, B
Molecule details ›
Chains: A, B
Length: 148 amino acids
Theoretical weight: 17.1 KDa
Source organism: Helicobacter pylori
Expression system: Escherichia coli
  • Canonical: NEW O25896 (Residues: 1-148; Coverage: 100%)
Gene name: HP_1338
Sequence domains:
Structure domains: ACT-like. Chain A, domain 2

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: P43212
Unit cell:
a: 73.174Å b: 73.174Å c: 114.441Å
α: 90° β: 90° γ: 90°
R R work R free
0.193 0.191 0.23
Expression system: Escherichia coli