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Crystal structure of inositol phosphate bound trimeric human lung surfactant protein D
3IKP
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Sugar Binding Protein
    Structure Weight: 57422.34
    Molecule: Pulmonary surfactant-associated protein D
    Polymer: 1 Type: protein Length: 177
    Chains: A, B, C
    Fragment: UNP residues 199-375
    Mutation: P180S
    Details: trimeric fragment of human lung surfactant protein D comprising alpha helical neck and carbohydrate recognition domains
    Organism: Homo sapiens
    Gene Names: Gene View for SFTPD COLEC7 PSPD SFTP4
    UniProtKB: Protein Feature View | Search PDB | P35247  
     
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  •   Source Hide
    Polymer: 1
    Scientific Name: Homo sapiens   Taxonomy   Common Name: Human Expression System: Escherichia coli bl21(de3)  
     
  •   Related PDB Entries Hide
    Identifier Details
    1pw9  native trimeric human lung surfactant protein D 
    1pwb  maltose bound trimeric human lung surfactant protein D 
    3ikn  galactose bound trimeric human lung surfactant protein D 
    3IKQ  alpha 1-2 mannobiose bound trimeric human lung surfactant protein D 
    3IKR  alpha 1-4 mannobiose bound trimeric human lung surfactant protein D 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    CA
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    CA Ca
    CALCIUM ION
    IPD
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    IPD C6 H11 O9 P
    D-MYO-INOSITOL-1-PHOSPHATE
    IPD:3IKP
     
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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:   Shrive, A.K.,  Greenhough, T.J.

    Deposition:   2009-08-06
    Release:   2009-11-17
    Last Modified (REVDAT):   2014-02-19
     
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    2014-02-19
    Citation
    2011-07-13
    Version format compliance
     
  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    EDS  
    Resolution[Å]:   1.75
    R-Value: 0.198 (work)
    R-Free: 0.213
    Space Group: P 21
    Unit Cell:
      Length [Å] Angles [°]
    a = 55.45 α = 90.00 
    b = 107.72 β = 91.23 
    c = 55.67 γ = 90.00