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Crystal structure of XIAP BIR3 domain in complex with a Smac-mimetic compound
Biology and Chemistry Report
  •   Structure Details   Hide

    Structure Keywords

    Keywords LIGASE
    Text Apoptosis,Smac-mimetics,Zinc-finger, Ligase, Metal-binding, Phosphoprotein, Protease inhibitor, Thiol protease inhibitor, Ubl conjugation pathway

    Polymeric Molecules

    Chain A,B
    Description Baculoviral IAP repeat-containing protein 4 
    Fragment UNP residues 241-356 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 14122.8 
    Source Method genetically manipulated  
    Entity Name E3 ubiquitin-protein ligase XIAP, Inhibitor of apoptosis protein 3, X-linked inhibitor of apoptosis protein, X-linked IAP, IAP-like protein, HILP 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    SMK  (3S,6S,7R,9aS)-6-{[(2S)-2-aminobutanoyl]amino}-7-(2-aminoethyl)-N-(diphenylmethyl)-5-oxooctahydro-1H-pyrrolo[1,2-a]azepine-3-carboxamide  C29 H39 N5 O3   505.65  View 
    ZN  ZINC ION  Zn   65.41  View 
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B XIAP_HUMAN P98170     

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    A B  6.3.2      

    Protein Analyses

    Measured Binding Affinities   

  •   Gene Details   Hide

    Genetic Source

    Chain A,B
    Common Name Human
    Scientific Name Homo sapiens  
    Gene birc4, api3, iap3, xiap
    Host Scientific Name Escherichia coli  

    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    X Xq25 331     X-linked inhibitor of apoptosis, E3 ubiquitin protein ligase XIAP    

    Single Nucleotide Polymorphisms (from LS-SNP database)

    SNP ID LsSnp Link dbSNP Link Chain PDB position Amino acid changes Secondary structure Solvent Accessibility Chromosome Chromosome position Ligand
    rs138783302 LS-SNP   dbSNP   A 257 P - > A Coil 32% (Intermediate) X 123020281
    rs149321515 LS-SNP   dbSNP   A 299 K - > N Beta Ladder 39% (Exposed) X 123022488 SMK
    rs182340753 LS-SNP   dbSNP   A 321 A - > G Helix 0% (Buried) X 123022553
    rs148080493 LS-SNP   dbSNP   A 353 V - > A Helix 78% (Exposed) X 123026582