4KOE

Quinolone(Trovafloxacin)-DNA cleavage complex of type IV topoisomerase from S. pneumoniae


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.02 Å
  • R-Value Free: 0.210 
  • R-Value Work: 0.175 
  • R-Value Observed: 0.177 

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Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

Inhibitor-stabilised cleavage complexes of topoisomerase IIa: structural analysis of drug-dependent inter- and intramolecular interactions

Laponogov, I.Pan, X.-S.Veselkov, D.A.Fisher, L.M.Sanderson, M.R.

To be published.

Macromolecules

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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
DNA topoisomerase 4 subunit A
A, B
496Streptococcus pneumoniae TIGR4Mutation(s): 1 
Gene Names: parCSP_0855
EC: 5.99.1.3
UniProt
Find proteins for P72525 (Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4))
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Go to UniProtKB:  P72525
Entity Groups  
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UniProt GroupP72525
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
DNA topoisomerase 4 subunit B
C, D
268Streptococcus pneumoniae TIGR4Mutation(s): 2 
Gene Names: parE
EC: 5.99.1.3
UniProt
Find proteins for Q59961 (Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4))
Explore Q59961 
Go to UniProtKB:  Q59961
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ59961
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  • Reference Sequence

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Entity ID: 3
MoleculeChains LengthOrganismImage
E-site DNA17N/A
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  • Reference Sequence

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Entity ID: 4
MoleculeChains LengthOrganismImage
E-site DNA211N/A
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  • Reference Sequence

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Entity ID: 5
MoleculeChains LengthOrganismImage
E-site DNA37N/A
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  • Reference Sequence

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Entity ID: 6
MoleculeChains LengthOrganismImage
E-site DNA411N/A
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.02 Å
  • R-Value Free: 0.210 
  • R-Value Work: 0.175 
  • R-Value Observed: 0.177 
  • Space Group: P 31 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 158.04α = 90
b = 158.04β = 90
c = 210.42γ = 120
Software Package:
Software NamePurpose
GDEdata collection
PHASERphasing
PHENIXrefinement
xia2data reduction
XDSdata reduction
SCALAdata scaling

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2014-11-26
    Type: Initial release
  • Version 1.1: 2017-11-15
    Changes: Refinement description