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Human Topoisomerase Iibeta in complex with DNA
DOI:10.2210/pdb4j3n/pdb   NDB ID: NA2250
4J3N
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Isomerase/dna
    Structure Weight: 196210.64
    Molecule: DNA topoisomerase 2-beta
    Polymer: 1 Type: protein Length: 803
    Chains: A, B
    EC#: 5.99.1.3   
    Fragment: HTOP2BETA CLEAVAGE CORE, UNP RESIDUES 450-1206
    Organism: Homo sapiens
    Gene Name: Gene View for TOP2B
    UniProtKB: Protein Feature View | Search PDB | Q02880  
    Molecule: DNA (5'-D(P*AP*GP*CP*CP*GP*AP*GP*C)-3')
    Polymer: 2 Type: dna Length: 8
    Chains: C, E
    Molecule: DNA (5'-D(P*TP*GP*CP*AP*GP*CP*TP*CP*GP*GP*CP*T)-3')
    Polymer: 3 Type: dna Length: 12
    Chains: D, F
     
  •   Structure Validation Hide

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  • MolProbity Ramachandran Plot
     

  •   Related Citations in PDB Entry (REMARK 1) Hide
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Homo sapiens   Taxonomy   Common Name: Human Expression System: Escherichia coli  
    Polymer: 2
    Scientific Name: Synthetic construct   Taxonomy    
    Polymer: 3
    Scientific Name: Synthetic construct   Taxonomy    
     
  •   Related PDB Entries Hide
    Identifier Details
    3QX3  Human topoisomerase IIbeta in complex with DNA and etoposide 
    4G0U  Human topoisomerase IIbeta in complex with DNA and amsacrine 
    4G0V  Human topoisomerase IIbeta in complex with DNA and mitoxantrone 
    4G0W  Human topoisomerase IIbeta in complex with DNA and ametantrone 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    MG
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    MG Mg
    MAGNESIUM ION
     
  •   Structural Biology Knowledgebase Data Hide
     
  • Nucleic Acid Database Hide
    View the NDB ID associated with this structure: NA2250
     
 
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:   Wu, C.C.,  Li, T.K.,  Li, Y.C.,  Chan, N.L.

    Deposition:   2013-02-06
    Release:   2013-10-02
    Last Modified (REVDAT):   2014-03-19
     
  •   Revision History    Hide
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    2014-03-19
    Citation
     
  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    Resolution[Å]:   2.30
    R-Value: 0.178 (obs.)
    R-Free: 0.218
    Space Group: P 21
    Unit Cell:
      Length [Å] Angles [°]
    a = 79.95 α = 90.00 
    b = 176.37 β = 112.06 
    c = 94.22 γ = 90.00