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RCSB PDB - 3VSQ: Crystal Structure of the Cytoplasmic Domain of G-Protein-Gated Inward Rectifier Potassium Channel Kir3.2 E236R Mutant in the presence of ethanol

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Crystal Structure of the Cytoplasmic Domain of G-Protein-Gated Inward Rectifier Potassium Channel Kir3.2 E236R Mutant in the presence of ethanol



    This is version 1.3 of the entry. See complete history. 



    Coupling of G Protein Binding to Channel Gating in Mammalian Inward Rectifier K+ channels

    Inanobe, A., Kurachi, Y.

    To be published.

    Macromolecule Content

    • Total Structure Weight: 23.96 kDa 
    • Atom Count: 1,688 
    • Modelled Residue Count: 197 
    • Deposited Residue Count: 208 
    • Unique protein chains: 1

    Find similar proteins by:

    (by identity cutoff)  |  3D Structure

    Experimental Data & Validation

    Experimental Data

    • Method: X-RAY DIFFRACTION
    • Resolution: 2.00 Å
    • R-Value Free:  0.259 (Depositor), 0.260 (DCC) 
    • R-Value Work:  0.216 (Depositor), 0.220 (DCC) 
    • R-Value Observed: 0.216 (Depositor) 

    Unit Cell:

    Length ( Å )Angle ( ˚ )
    a = 85.863α = 90
    b = 85.863β = 90
    c = 73.046γ = 90

    Software Package:

    Software NamePurpose
    PHASERphasing
    REFMACrefinement
    PDB_EXTRACTdata extraction
    HKL-2000data collection
    DENZOdata reduction
    SCALEPACKdata scaling
    HKL-2000data scaling

    Revision History  (Full details and data files)

    • Version 1.0: 2013-05-08
      Type: Initial release
    • Version 1.1: 2017-08-16
      Changes: Refinement description, Source and taxonomy
    • Version 1.2: 2017-11-22
      Changes: Refinement description
    • Version 1.3: 2024-03-20
      Changes: Data collection, Database references, Derived calculations