PDBe 1bdj

X-ray diffraction
2.68Å resolution

COMPLEX STRUCTURE OF HPT DOMAIN AND CHEY

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Chemotaxis protein CheY Chain: A
Molecule details ›
Chain: A
Length: 128 amino acids
Theoretical weight: 13.98 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0AE67 (Residues: 2-129; Coverage: 99%)
Gene names: JW1871, b1882, cheY
Sequence domains: Response regulator receiver domain
Structure domains: Rossmann fold
Aerobic respiration control sensor protein ArcB Chain: B
Molecule details ›
Chain: B
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: Four Helix Bundle (Hemerythrin (Met), subunit A)

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-18B
Spacegroup: P212121
Unit cell:
a: 55.175Å b: 76.17Å c: 83.27Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.183 0.183 0.25
Expression system: Escherichia coli