4HZ5

Pyrrolopyrimidine inhibitors of dna gyrase b and topoisomerase iv, part i: structure guided discovery and optimization of dual targeting agents with potent, broad-spectrum enzymatic activity


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.70 Å
  • R-Value Free: 0.280 
  • R-Value Work: 0.231 
  • R-Value Observed: 0.234 

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Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

Pyrrolopyrimidine inhibitors of DNA gyrase B (GyrB) and topoisomerase IV (ParE). Part I: Structure guided discovery and optimization of dual targeting agents with potent, broad-spectrum enzymatic activity.

Tari, L.W.Trzoss, M.Bensen, D.C.Li, X.Chen, Z.Lam, T.Zhang, J.Creighton, C.J.Cunningham, M.L.Kwan, B.Stidham, M.Shaw, K.J.Lightstone, F.C.Wong, S.E.Nguyen, T.B.Nix, J.Finn, J.

(2013) Bioorg Med Chem Lett 23: 1529-1536

  • DOI: 10.1016/j.bmcl.2012.11.032
  • Primary Citation of Related Structures:  
    4GEE, 4GFN, 4GGL, 4HXW, 4HXZ, 4HY1, 4HYM, 4HYP, 4HZ0, 4HZ5

  • PubMed Abstract: 
  • The bacterial topoisomerases DNA gyrase (GyrB) and topoisomerase IV (ParE) are essential enzymes that control the topological state of DNA during replication. The high degree of conservation in the ATP-binding pockets of these enzymes make them appealing targets for broad-spectrum inhibitor development ...

    The bacterial topoisomerases DNA gyrase (GyrB) and topoisomerase IV (ParE) are essential enzymes that control the topological state of DNA during replication. The high degree of conservation in the ATP-binding pockets of these enzymes make them appealing targets for broad-spectrum inhibitor development. A pyrrolopyrimidine scaffold was identified from a pharmacophore-based fragment screen with optimization potential. Structural characterization of inhibitor complexes conducted using selected GyrB/ParE orthologs aided in the identification of important steric, dynamic and compositional differences in the ATP-binding pockets of the targets, enabling the design of highly potent pyrrolopyrimidine inhibitors with broad enzymatic spectrum and dual targeting activity.


    Organizational Affiliation

    Trius Therapeutics, 6310 Nancy Ridge Dr., San Diego, CA 92121, USA. ltari@triusrx.com



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
DNA topoisomerase IV, B subunit
A,
B,
C,
D,
E,
A,
B,
C,
D,
E,
F,
G,
H,
I [auth J]
216Enterococcus faecalis V583Mutation(s): 0 
Gene Names: parEEF_1615
EC: 5.6.2.2
UniProt
Find proteins for H7C794 (Enterococcus faecalis (strain ATCC 700802 / V583))
Explore H7C794 
Go to UniProtKB:  H7C794
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupH7C794
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
19Y
Query on 19Y

Download Ideal Coordinates CCD File 
J [auth A],
K [auth B],
L [auth C],
M [auth D],
N [auth E],
J [auth A],
K [auth B],
L [auth C],
M [auth D],
N [auth E],
O [auth F],
P [auth G],
Q [auth J]
6-ethyl-4-methoxy-2-(pyridin-3-ylsulfanyl)-7H-pyrrolo[2,3-d]pyrimidine-5-carbaldehyde
C15 H14 N4 O2 S
LEMXQPJEGCAOFY-UHFFFAOYSA-N
 Ligand Interaction
Binding Affinity Annotations 
IDSourceBinding Affinity
19Y PDBBind:  4HZ5 Ki: 1200 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.70 Å
  • R-Value Free: 0.280 
  • R-Value Work: 0.231 
  • R-Value Observed: 0.234 
  • Space Group: P 31
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 144.21α = 90
b = 144.21β = 90
c = 84.168γ = 120
Software Package:
Software NamePurpose
REFMACrefinement

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2013-02-13
    Type: Initial release
  • Version 1.1: 2013-02-27
    Changes: Database references