2a0b

X-ray diffraction
1.57Å resolution

HISTIDINE-CONTAINING PHOSPHOTRANSFER DOMAIN OF ARCB FROM ESCHERICHIA COLI

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Aerobic respiration control sensor protein ArcB Chain: A
Molecule details ›
Chain: A
Length: 125 amino acids
Theoretical weight: 14.01 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0AEC3 (Residues: 654-778; Coverage: 16%)
Gene names: JW5536, arcB, b3210
Sequence domains: Hpt domain
Structure domains: HPT domain

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH3R
Spacegroup: P212121
Unit cell:
a: 30.456Å b: 34.924Å c: 110.741Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.19 0.19 0.245
Expression system: Escherichia coli