X-ray diffraction
1.8Å resolution

Function and Biology Details

Reaction catalysed:
ATP + protein L-histidine = ADP + protein N-phospho-L-histidine
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Globin-coupled histidine kinase Chain: A
Molecule details ›
Chain: A
Length: 161 amino acids
Theoretical weight: 18.37 KDa
Source organism: Anaeromyxobacter sp. Fw109-5
Expression system: Escherichia coli BL21(DE3)
  • Canonical: A7HD43 (Residues: 2-161; Coverage: 42%)
Gene names: Anae109_2438, gchK

Ligands and Environments

Cofactor: Ligand HEM 1 x HEM
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I02
Spacegroup: P6122
Unit cell:
a: 69.44Å b: 69.44Å c: 113.364Å
α: 90° β: 90° γ: 120°
R R work R free
0.186 0.182 0.231
Expression system: Escherichia coli BL21(DE3)