PDBe 3h1f

X-ray diffraction
2.2Å resolution

Crystal structure of CheY mutant D53A of Helicobacter pylori

Source organism: Helicobacter pylori 26695
Primary publication:
Crystal structure of activated CheY1 from Helicobacter pylori.
J. Bacteriol. 192 2324-34 (2010)
PMID: 20207758

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Chemotaxis protein CheY homolog Chain: A
Molecule details ›
Chain: A
Length: 129 amino acids
Theoretical weight: 14.3 KDa
Source organism: Helicobacter pylori 26695
Expression system: Escherichia coli
  • Canonical: P71403 (Residues: 1-124; Coverage: 100%)
Gene names: HP_1067, cheY
Sequence domains: Response regulator receiver domain
Structure domains: Rossmann fold

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: C2
Unit cell:
a: 70.335Å b: 38.081Å c: 38.639Å
α: 90° β: 107.35° γ: 90°
R R work R free
0.182 0.18 0.233
Expression system: Escherichia coli