4ezq

X-ray diffraction
2Å resolution

Crystal structure of the substrate binding domain of E.coli DnaK in complex with the C-terminal part of pyrrhocoricin (residues 12 to 20)

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero octamer
hetero tetramer
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-141449 (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
UniProt:
  • Canonical: P0A6Y8 (Residues: 389-607; Coverage: 34%)
Gene names: JW0013, b0014, dnaK, groP, grpF, seg
Sequence domains: Hsp70 protein
Structure domains:
Pyrrhocoricin Chain: B
Molecule details ›
Chain: B
Length: 9 amino acids
Theoretical weight: 1.13 KDa
Source organism: Pyrrhocoris apterus
Expression system: Not provided
UniProt:
  • Canonical: P37362 (Residues: 12-20; Coverage: 45%)

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: 94.62Å b: 116.7Å c: 38.17Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.237 0.235 0.321
Expression systems:
  • Escherichia coli
  • Not provided