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X-ray crystal structure of the heterodimeric complex of XRCC1 and DNA ligase III-alpha BRCT domains.
Biology and Chemistry Report
3PC8
  •   Structure Details   Hide

    Structure Keywords

    Keywords DNA BINDING PROTEIN/LIGASE
    Text DNA repair, BRCT domain, Protein:protein interactions, DNA BINDING PROTEIN - LIGASE complex, DNA BINDING PROTEIN-LIGASE complex

    Polymeric Molecules

    Chain A,B
    Description DNA repair protein XRCC1 
    Fragment unp residues 534-631 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 11753.4 
    Source Method genetically manipulated  
    Entity Name X-ray repair cross-complementing protein 1 
    Chain C,D
    Description DNA ligase 3 
    Fragment unp residues 924-1008 
    Mutation C842S, C921S 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 9953.4 
    Source Method genetically manipulated  
    Entity Name DNA ligase III, Polydeoxyribonucleotide synthase [ATP] 3 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    MG  MAGNESIUM ION  Mg   24.31  View 
    TRS  2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL  C4 H12 N O3   122.14  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B XRCC1_MOUSE Q3THC5     
    C,D DNLI3_HUMAN P49916     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    C D  6.5.1.1      
     
  •   Gene Details   Hide

    Genetic Source

    Chain C,D
    Common Name Human
    Scientific Name Homo sapiens  
    Gene lig3
    Host Scientific Name Escherichia coli  
    Host Strain Bl21 De3 Ril
    Host Vector Type Plasmid
    Host Plasmid Name pColaDuet


    Chain A,B
    Common Name Mouse
    Scientific Name Mus musculus  
    Gene xrcc-1, xrcc1
    Host Scientific Name Escherichia coli  
    Host Strain Bl21 De3 Ril
    Host Vector Type Plasmid
    Host Plasmid Name petDuet


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    7 7 A3-B2|7 11.42 cM 22594     X-ray repair complementing defective repair in Chinese hamster cells 1 XRCC1    
    17 17q11.2-q12 3980     ligase III, DNA, ATP-dependent LIG3    

    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
    rs139748729 LS-SNP   dbSNP   C 850 I - > V Coil 7% (Buried) 17 33331304
    rs200974999 LS-SNP   dbSNP   C 855 R - > Q Beta Ladder 46% (Exposed) 17 33331320
    rs144452860 LS-SNP   dbSNP   C 867 R - > H Helix 35% (Intermediate) 17 33331356
    rs201936083 LS-SNP   dbSNP   C 873 V - > M Helix 9% (Intermediate) 17 33331373
    rs199702205 LS-SNP   dbSNP   C 877 G - > R Coil 2% (Buried) 17 33331385
    rs4986973 LS-SNP   dbSNP   C 899 P - > S Turn 78% (Exposed) 17 33331451
    rs151264739 LS-SNP   dbSNP   C 914 R - > Q Helix 70% (Exposed) 17 33331497
    rs140462567 LS-SNP   dbSNP   C 916 R - > Q Turn 67% (Exposed) 17 33331503