Crystal structure of the substrate binding domain of E. coli DnaK in complex with a long pyrrhocoricin-derived inhibitor peptide (form B)
3DPQ
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Chaperone , Peptide Binding Protein
    Structure Weight: 105247.86
    Molecule: Chaperone protein dnaK
    Polymer: 1 Type: protein Length: 219
    Chains: A, B, E, F
    Fragment: Substrate binding domain (UNP residues 389 to 607)
    Organism: Escherichia coli K-12
    Gene Names: dnaK groP grpF seg b0014 JW0013
    UniProtKB: Protein Feature View | Search PDB | P0A6Y8  
    Molecule: inhibitor peptide
    Polymer: 2 Type: protein Length: 20
    Chains: C, D, G, H
    Organism: Pyrrhocoris apterus
    UniProtKB: Protein Feature View | Search PDB | P37362  
     
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  •   Source Hide
    Polymer: 1
    Scientific Name: Escherichia coli   Taxonomy   Expression System: Escherichia coli  
    Polymer: 2
    Scientific Name: Synthetic construct (Pyrrhocoris apterus)   Taxonomy    
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    SO4
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    SO4 O4 S
    SULFATE ION
     
  •   Modified Residues Hide
    Identifier Formula Parent Type
    ALC
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    ALC C9 H17 N O2 ALA lPeptideLinking
     
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  •   Structural Biology Knowledgebase Data Hide
     
 
Data in orange boxes are gathered from external resources (when available).
  Biological Assembly 1       
Biological assembly 1 assigned by authors and generated by PISA (software)
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  •   Deposition Summary Hide
    Authors:   Roujeinikova, A.

    Deposition:   2008-07-09
    Release:   2009-03-10
     
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    2011-07-13
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  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    Resolution[Å]:   2.60
    R-Value: 0.257 (obs.)
    R-Free: 0.319
    Space Group: P 21 21 21
    Unit Cell:
      Length [Å] Angles [°]
    a = 77.71 α = 90.00 
    b = 91.65 β = 90.00 
    c = 154.80 γ = 90.00