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Crystal structure of the GluA2 ligand-binding domain (S1S2J) in complex with the antagonist (S)-2-amino-3-(2-(2-carboxyethyl)-5-chloro-4-nitrophenyl)propionic acid at 1.9A resolution
3TZA
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Membrane Protein
    Structure Weight: 59461.43
    Molecule: Glutamate receptor 2, LINKER, Glutamate receptor 2
    Polymer: 1 Type: protein Length: 263
    Chains: A, B
    Fragment: Ligand binding domain
    Details: The protein crystallized is the extracellular ligand-binding domian of GluA2. Transmembrane regions were genetically removed and replaced with a Gly-Thr linker.
    Organism Rattus norvegicus synthetic construct
    Gene Names Gria2 Glur2
    UniProtKB:   Protein Feature View | Search PDB | P19491  
     
  •   Structure Validation Hide

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  •   Related Citations in PDB Entry (REMARK 1) Hide
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Rattus norvegicus, synthetic, rattus norvegicus   Taxonomy   Common Name: Rat, synthetic, rat Expression System: Escherichia coli  
     
  •   Related PDB Entries Hide
    Identifier Details
    1FTL  Crystal structure of the GLUR2 ligand binding core (S1S2J) in complex with the antagonist DNQX at 1.8 a resolution 
    1N0T  X-ray structure of the GluR2 ligand-binding core (S1S2J) in complex with the antagonist (S)-ATPO at 2.1 A resolution. 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    SO4
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    SO4 O4 S
    SULFATE ION
    TZG
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    TZG C12 H13 Cl N2 O6
    (S)-2-amino-3-(2-(2-carboxyethyl)-5-chloro- 4-nitrophenyl)propionic acid
    TZG:3TZA
     
  •   External Ligand Annotations Hide
    Identifier   Binding Affinity (Sequence Identity %)
    TZG
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    TZG
    N/Ain BindingDB
    IC50: 3400 nM - data from BindingMOAD  
    Ki: 3150 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 and generated by PISA (software)
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  •   Deposition Summary Hide
    Authors:   Frydenvang, K.,  Kastrup, J.S.

    Deposition:   2011-09-27
    Release:   2011-10-26
    Last Modified (REVDAT):   2013-06-26
     
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    2013-06-26
    Citation
     
  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    EDS  
    Resolution[Å]:   1.90
    R-Value: 0.175 (obs.)
    R-Free: 0.230
    Space Group: P 21
    Unit Cell:
      Length [Å] Angles [°]
    a = 48.72 α = 90.00 
    b = 61.83 β = 94.09 
    c = 92.92 γ = 90.00