› 1dky

X-ray diffraction
2.8Å resolution

THE SUBSTRATE BINDING DOMAIN OF DNAK IN COMPLEX WITH A SUBSTRATE PEPTIDE, DETERMINED FROM TYPE 2 NATIVE CRYSTALS

Released:
DOI: 10.2210/pdb1dky/pdb
PDB entry 1dky coloured by chain, front view.
PDB entry 1dky coloured by chain, side view.
PDB entry 1dky coloured by chain, top view.
Source organism: Escherichia coli
Primary publication:
Structural analysis of substrate binding by the molecular chaperone DnaK.
Zhu X, Zhao X, Burkholder WF, Gragerov A, Ogata CM, Gottesman ME, Hendrickson WA
Science 272 1606-14 (1996)
PMID: 8658133

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:
Structure domains:

Structure analysis Details

Assemblies composition:
hetero tetramer (preferred)
hetero octamer
Assembly name:
PDBe Complex ID:
PDB-CPX-531973 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Chaperone protein DnaK Chains: A, B
Molecule details ›
Chains: A, B
Length: 219 amino acids
Theoretical weight: 23.81 KDa
Source organism: Escherichia coli
UniProt:
  • Canonical: P0A6Y8 (Residues: 389-607; Coverage: 34%)
Gene names: JW0013, b0014, dnaK, groP, grpF, seg
Sequence domains: Hsp70 protein
Structure domains:
PEPTIDE SUBSTRATE Chains: C, D
Molecule details ›
Chains: C, D
Length: 7 amino acids
Theoretical weight: 787 Da
Source organism: Escherichia coli
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21212
Unit cell:
a: 96.4Å b: 117Å c: 36.2Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.225 0.225 0.309
Expression system: Not provided

Quick links

Citations

171 review citations

The Hsp70 and Hsp60 chaperone machines.
Bukau et al. (1998)
170 more

7 mentions without citation

Hsp70 structure, function, regulation and influence on yeast prions.
Sharma et al. (2009)
6 more