Crystal structure of calcium ATPase with two bound calcium ions
1SU4

Entry 1SU4 supersedes 1EUL

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  •   Molecular Description Hide
    Classification: Hydrolase
    Structure Weight: 109706.15
    Molecule: Sarcoplasmic/endoplasmic reticulum calcium ATPase 1
    Polymer: 1 Type: protein Length: 994
    Chains: A
    EC#: 3.6.3.8   
    Organism: Oryctolagus cuniculus
    Gene Name: Gene View for ATP2A1
    UniProtKB: Protein Feature View | Search PDB | P04191  
    Membrane Protein:   Source: mpstruc
    ALPHA-HELICAL
    P-type ATPase
    Calcium ATPase; rabbit sarcoplamic reticulum. P21 crystal form with bound thapsigargin
     
  •   Structure Validation Hide

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  • MolProbity Ramachandran Plot
     

  •   Related Citations in PDB Entry (REMARK 1) Hide
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Oryctolagus cuniculus   Taxonomy   Common Name: Rabbit  
     
  •   Related PDB Entries Hide
    Identifier Details
    1IWO   Calcium unbound form of the Ca2+-ATPase from rabbit skeletal muscle sarcoplasmic reticulum (SERCA1a) 
    1VFP   Same molecule with bound AMPPCP 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    CA
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    CA Ca
    CALCIUM ION
    NA
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    NA Na
    SODIUM ION
     
  •   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:   Toyoshima, C.,  Nakasako, M.,  Nomura, H.,  Ogawa, H.

    Deposition:   2004-03-26
    Release:   2004-05-04
    Last Modified (REVDAT):   2013-05-22

    Previous versions:  1EUL
     
  •   Revision History    Hide
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    2013-05-22
    Citation
    2011-07-13
    Version format compliance
     
  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
    BMRB  
    Resolution[Å]:   2.40
    R-Value: 0.246 (obs.)
    R-Free: 0.283
    Space Group: C 1 2 1
    Unit Cell:
      Length [Å] Angles [°]
    a = 165.89 α = 90.00 
    b = 64.34 β = 98.08 
    c = 147.14 γ = 90.00