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Human Topoisomerase Iibeta in complex with DNA
Biology and Chemistry Report
4J3N
  •   Structure Details   Hide

    Structure Keywords

    Keywords ISOMERASE/DNA
    Text TOPRIM DOMAIN, WINGED-HELIX DOMAIN, COILED-COIL DOMAIN, DNA BINDING AND CLEAVAGE, NUCLEUS, ISOMERASE-DNA COMPLEX

    Polymeric Molecules

    Chain A,B
    Description DNA topoisomerase 2-beta 
    Fragment HTOP2BETA CLEAVAGE CORE, UNP RESIDUES 450-1206 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 91929.2 
    Source Method genetically manipulated  
    Entity Name DNA topoisomerase II, beta isozyme 
    Chain C,E
    Description DNA (5'-D(P*AP*GP*CP*CP*GP*AP*GP*C)-3') 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polydeoxyribonucleotide 
    Formula Weight 2436.6 
    Source Method synthetic  
    Chain D,F
    Description DNA (5'-D(P*TP*GP*CP*AP*GP*CP*TP*CP*GP*GP*CP*T)-3') 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polydeoxyribonucleotide 
    Formula Weight 3654.4 
    Source Method synthetic  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    MG  MAGNESIUM ION  Mg   24.31  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B TOP2B_HUMAN Q02880     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    A B  5.99.1.3      
     
  •   Gene Details   Hide

    Genetic Source

    Chain A,B
    Common Name Human
    Scientific Name Homo sapiens  
    Gene top2b
    Host Scientific Name Escherichia coli  
    Host Strain Bl21star(de3)
    Host Vector Type Plasmid
    Host Plasmid Name PET51B


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    3 3p24 7155     topoisomerase (DNA) II beta 180kDa TOP2B