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CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN COMPLEX WITH THE ANTAGONIST DNQX AT 1.8 A RESOLUTION
1FTL
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Membrane Protein
    Structure Weight: 59040.11
    Molecule: GLUTAMATE RECEPTOR SUBUNIT 2
    Polymer: 1 Type: protein Length: 263
    Chains: A, B
    Fragment: LIGAND BINDING CORE (S1S2J)
    Organism: Rattus norvegicus
    Gene Names: Gria2 Glur2
    UniProtKB: Protein Feature View | Search PDB | P19491  
     
  •   Structure Validation Hide

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  •   Source Hide
    Polymer: 1
    Scientific Name: Rattus norvegicus   Taxonomy   Common Name: Norway rat Expression System: Escherichia coli  
     
  •   Related PDB Entries Hide
    Identifier Details
    1FTJ  GluR2 S1S2J in Complex with Full Agonist Glutamate 
    1FTK  GluR2 S1S2J in complex with the partial agonist kainate 
    1FTM  GluR2 Ligand Binding Core (S1S2J) in Complex with AMPA 
    1FTO  GluR2 Ligand Binding Core (S1S2J) in the Apo State 
    1FW0  GluR2 Ligand Binding Core (S1S2J) in Complex with Kainate 
    1GR2  GluR2 S1S2I in Complex with the Partial Agonist Kainate 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    DNQ
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    DNQ C8 H2 N4 O6
    6,7-DINITROQUINOXALINE-2,3-DIONE
    DNQ:1FTL
    SO4
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    SO4 O4 S
    SULFATE ION
     
  •   External Ligand Annotations Hide
    Identifier   Binding Affinity (Sequence Identity %)
    DNQ
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    DNQ
    Ki: 1660 - 2090 nM (88) - data from BindingDB  
    IC50: 998 nM - data from BindingMOAD  
    N/Ain PDBbind
     
  •   External Domain Annotations Hide
     
  •   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:   Armstrong, N.,  Gouaux, E.

    Deposition:   2000-09-12
    Release:   2000-11-01
    Last Modified (REVDAT):   2009-02-24
     
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    2011-07-13
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  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
    N/A
    Resolution[Å]:   1.80
    R-Value: 0.245 (obs.)
    R-Free: 0.272
    Space Group: P 21 21 21
    Unit Cell:
      Length [Å] Angles [°]
    a = 62.15 α = 90.00 
    b = 93.70 β = 90.00 
    c = 97.37 γ = 90.00