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Crystal Structure of the Ligand-Binding Core of iGluR5 in Complex with the Partial agonist Domoic Acid at 2.5 A Resolution
2PBW
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Membrane Protein
    Structure Weight: 58839.87
    Molecule: Glutamate receptor, ionotropic kainate 1
    Polymer: 1 Type: protein Length: 257
    Chains: A, B
    Organism Rattus norvegicus
    Gene Names Grik1 Glur5
    UniProtKB:   Protein Feature View | Search PDB | P22756  
     
  •   Structure Validation Hide

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  •   Related Citations in PDB Entry (REMARK 1) Hide
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Rattus norvegicus   Taxonomy   Common Name: Norway rat Expression System: Escherichia coli  
     
  •   Related PDB Entries Hide
    Identifier Details
    1VSO  Structure of the Kainate Receptor GluR5 Ligand-Binding Core in Complex with (S)-ATPO 
    1YAE  Structure of the Kainate Receptor Subunit GluR6 Agonist Binding Domain Complexed with Domoic Acid 
    1YCJ  Crystal Structure of the Kainate Receptor GluR5 Ligand-Binding Core in Complex with (S)-Glutamate 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    DOQ
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    DOQ C15 H21 N O6
    (2S,3S,4S)-2-CARBOXY-4-[(1Z,3E,5R)-5-CARBOXY- 1-METHYL-1,3-HEXADIENYL]-3-PYRROLIDINEACETIC ACID
    DOQ:2PBW
     
  •   External Ligand Annotations Hide
    Identifier   Binding Affinity (Sequence Identity %)
    DOQ
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    DOQ
    N/Ain BindingDB
    Ki: 5.56 nM - data from BindingMOAD  
    Ki: 5.56 nM - data from PDBbind  
     
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  •   Structural Biology Knowledgebase Data Hide
     
 
Data in orange boxes are gathered from external resources (when available).
 
  Biological Assembly       
Biological assembly 1 assigned by authors
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  •   Deposition Summary Hide
    Authors:   Hald, H.,  Naur, P.,  Gajhede, M.,  Kastrup, J.S.

    Deposition:   2007-03-29
    Release:   2007-07-03
    Last Modified (REVDAT):   2012-06-13
     
  •   Revision History    Hide
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    2012-06-13
    Other
    2011-07-13
    Version format compliance
     
  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    EDS  
    Resolution[Å]:   2.50
    R-Value: 0.209 (obs.)
    R-Free: 0.248
    Space Group: P 41 21 2
    Unit Cell:
      Length [Å] Angles [°]
    a = 70.86 α = 90.00 
    b = 70.86 β = 90.00 
    c = 233.17 γ = 90.00