Structure analysis

Crystal structure of the substrate binding domain of E.coli DnaK in complex with sheep Bac7(35-43)

X-ray diffraction
1.9Å resolution
Assemblies composition:
hetero dimer (preferred)
hetero tetramer
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero dimer
Accessible surface area: 12425.61 Å2
Buried surface area: 1740.54 Å2
Dissociation area: 675.51 Å2
Dissociation energy (ΔGdiss): 14.17 kcal/mol
Dissociation entropy (TΔSdiss): 7.39 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-141450
Assembly 2
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Multimeric state: hetero dimer
Accessible surface area: 12728.83 Å2
Buried surface area: 1734.39 Å2
Dissociation area: 587.54 Å2
Dissociation energy (ΔGdiss): 5.52 kcal/mol
Dissociation entropy (TΔSdiss): 7.36 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-141450
Assembly 3
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Multimeric state: hetero tetramer
Accessible surface area: 23206.2 Å2
Buried surface area: 5423.18 Å2
Dissociation area: 974.12 Å2
Dissociation energy (ΔGdiss): 7.52 kcal/mol
Dissociation entropy (TΔSdiss): 12.47 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-141469

Macromolecules

Chains: A, B
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
Pfam: Hsp70 protein
InterPro:
CATH:

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Chains: C, D
Length: 10 amino acids
Theoretical weight: 1.15 KDa
Source organism: Ovis aries
Expression system: Not provided
UniProt:
  • Canonical: P50415 (Residues: 165-173; Coverage: 6%)
Gene names: BAC7, BAC7.5, CATHL3

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