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Crystal structure of the ATP-gated P2X4 ion channel in the closed, apo state at 3.5 Angstroms (R3)
3I5D
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Transport Protein
    Structure Weight: 123646.50
    Molecule: P2X purinoceptor
    Polymer: 1 Type: protein Length: 356
    Chains: A, B, C
    Fragment: UNP residues 28-381
    Mutation: H252R
    Organism: Danio rerio
    Gene Name: p2rx4a
    UniProtKB: Protein Feature View | Search PDB | Q6NYR1  
    Membrane Protein:   Source: inferred by homology
    ALPHA-HELICAL
    Channels: Other Ion Channels
    ATP-gated P2X4 ion channel (apo protein; ΔP2X4-B construct)
     
  •   Structure Validation Hide

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  • MolProbity Ramachandran Plot
     

  •   Related Citations in PDB Entry (REMARK 1) Hide
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Danio rerio   Taxonomy   Common Name: Leopard danio,zebra danio,zebra fish Expression System: Spodoptera frugiperda  
    Polymer: 3
    Scientific Name: Synthetic construct   Taxonomy    
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    NAG
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    NAG C8 H15 N O6
    N-ACETYL-D-GLUCOSAMINE
     
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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:   Kawate, T.,  Michel, J.C.,  Gouaux, E.

    Deposition:   2009-07-05
    Release:   2009-08-04
    Last Modified (REVDAT):   2011-07-13
     
  •   Revision History    Hide
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    2011-07-13
    Non-polymer description
    2011-07-13
    Version format compliance
     
  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    EDS  
    Resolution[Å]:   3.46
    R-Value: 0.277 (obs.)
    R-Free: 0.289
    Space Group: H 3
    Unit Cell:
      Length [Å] Angles [°]
    a = 234.91 α = 90.00 
    b = 234.91 β = 90.00 
    c = 138.43 γ = 120.00