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Crystal Structure of XIAP BIR3 domain in complex with a Smac-mimetic compound, Smac010
3CM2
Primary Citation
 
 
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  •   Molecular Description Hide
    Classification: Ligase , Apoptosis
    Structure Weight: 152324.12
    Molecule: Baculoviral IAP repeat-containing protein 4
    Polymer: 1 Type: protein Length: 130
    Chains: A, B, C, D, E, F, G, H, I, J
    EC#: 6.3.2   
    Fragment: UNP residues 241-356
    Organism Homo sapiens
    Gene Names XIAP API3 BIRC4 IAP3
    UniProtKB:   Protein Feature View | Search PDB | P98170  
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Homo sapiens   Taxonomy   Common Name: Human Expression System: Escherichia coli  
     
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    Identifier Details
    1G73  Crystal structure of XIAP BIR3 domain in complex with Smac/DIABLO 
    3CLX  Crystal structure of XIAP BIR3 domain in complex with a Smac-mimetic compound, X22 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name Interactions
    X23
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    Download      		X23 C28 H37 N5 O3
    (3S,6S,7R,9aS)-6-{[(2S)-2-aminobutanoyl]amino}- 7-(aminomethyl)-N-(diphenylmethyl)-5-oxooctahydro- 1H-pyrrolo[1,2-a]azepine-3-carboxamide
    		X23:3CM2
    ZN
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    Download      		ZN Zn
    ZINC ION
     
  •   External Ligand Annotations Hide
    Identifier   Binding Affinity (Sequence Identity %)
    X23
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    Download      		X23
    IC50: 110 - 970 nM (98 - 100) - data from BindingDB  
    Ki: 870 nM (100) - data from BindingDB  
    IC50: 970 nM - data from BindingMOAD  
    Ki: 340 nM - data from PDBbind  
     
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  •   Structural Biology Knowledgebase Data Hide
     
 
Data in orange boxes are gathered from external resources (when available).
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  Biological Assembly 1       
Biological assembly 1 generated by PISA (software)
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  •   Deposition Summary Hide
    Authors:   Cossu, F.,  Mastrangelo, E.,  Milani, M.

    Deposition:   2008-03-20
    Release:   2008-10-28
    Last Modified (REVDAT):   2009-06-09
     
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    2011-07-13
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  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    EDS  
    Resolution[Å]:   2.50
    R-Value: 0.223 (obs.)
    R-Free: 0.264
    Space Group: P 21 21 21
    Unit Cell:
      Length [Å] Angles [°]
    a = 77.53 α = 90.00 
    b = 108.35 β = 90.00 
    c = 225.31 γ = 90.00