PDBe 4ezu

X-ray diffraction
1.9Å resolution

Crystal structure of the substrate binding domain of E.coli DnaK in complex with PR-bombesin in space group I222

Entry authors: Zahn M, Straeter N

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero octamer
hetero tetramer
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Chaperone protein DnaK Chain: A
Molecule details ›
Chain: A
Length: 219 amino acids
Theoretical weight: 23.82 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
  • Canonical: P0A6Y8 (Residues: 389-607; Coverage: 34%)
Gene names: JW0013, b0014, dnaK, groP, grpF, seg
Structure domains:
Proline rich bombesin-related protein Chain: B
Molecule details ›
Chain: B
Length: 17 amino acids
Theoretical weight: 2.04 KDa
Source organism: Bombina maxima
Expression system: Not provided
  • Canonical: Q8QFP2 (Residues: 46-60; Coverage: 16%)

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.2
Spacegroup: I222
Unit cell:
a: 96.645Å b: 115.047Å c: 39.366Å
α: 90° β: 90° γ: 90°
R R work R free
0.221 0.218 0.276
Expression systems:
  • Escherichia coli
  • Not provided