Human topoisomerase IIbeta in complex with DNA and etoposide
DOI:10.2210/pdb3qx3/pdb   NDB ID: NA1022
3QX3
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Isomerase/dna/isomerase Inhibitor
    Structure Weight: 197363.46
    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
    3QXK    
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    EVP
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    EVP C29 H32 O13
    (5S,5aR,8aR,9R)-9-(4-hydroxy-3,5-dimethoxyphenyl)- 8-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3- d][1,3]dioxol-5-yl 4,6-O-[(1R)-ethylidene]- beta-D-glucopyranoside
    EVP:3QX3
    MG
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    MG Mg
    MAGNESIUM ION
     
  •   External Ligand Annotations Hide
    Identifier   Binding Affinity (Sequence Identity %)
    EVP
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    EVP
    EC50: >70000 nM (99) - data from BindingDB  
    N/Ain BindingMoad
    N/Ain PDBbind
     
  •   External Domain Annotations Hide
     
  •   Structural Biology Knowledgebase Data Hide
     
  • Nucleic Acid Database Hide
    View the NDB ID associated with this structure:NA1022
     
 
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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