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DHp domain structure of EnvZ from Escherichia coli

X-ray diffraction
1.33Å resolution
PDB entry 5b1n coloured by chain, front view.
PDB entry 5b1n coloured by chain, side view.
PDB entry 5b1n coloured by chain, top view.
Source organism: Escherichia coli
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Sensor histidine kinase EnvZ
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Multimeric state: homo dimer
Accessible surface area: 7314.15 Å2
Buried surface area: 2602.68 Å2
Dissociation area: 1,301.34 Å2
Dissociation energy (ΔGdiss): 26.86 kcal/mol
Dissociation entropy (TΔSdiss): 10.68 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-142466

Macromolecules

Sensor histidine kinase EnvZ
Chain: A
Length: 69 amino acids
Theoretical weight: 7.72 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0AEJ4 (Residues: 223-289; Coverage: 15%)
Gene names: JW3367, b3404, envZ, ompB, perA, tpo
Pfam: His Kinase A (phospho-acceptor) domain
InterPro:
CATH: Helix Hairpins
Sensor histidine kinase EnvZ in PDB entry 5b1n, assembly 1, front view.
Sensor histidine kinase EnvZ in PDB entry 5b1n, assembly 1, side view.
Sensor histidine kinase EnvZ in PDB entry 5b1n, assembly 1, top view.
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