3NRM

Imidazo[1,2-a]pyrazine-based Aurora Kinase Inhibitors


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.05 Å
  • R-Value Free: 0.258 
  • R-Value Work: 0.220 
  • R-Value Observed: 0.223 

wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

Discovery of imidazo[1,2-a]pyrazine-based Aurora kinase inhibitors.

Belanger, D.B.Curran, P.J.Hruza, A.Voigt, J.Meng, Z.Mandal, A.K.Siddiqui, M.A.Basso, A.D.Gray, K.

(2010) Bioorg Med Chem Lett 20: 5170-5174

  • DOI: 10.1016/j.bmcl.2010.07.008
  • Primary Citation of Related Structures:  
    3NRM

  • PubMed Abstract: 
  • The synthesis and structure-activity relationships (SAR) of novel, potent imidazo[1,2-a]pyrazine-based Aurora kinase inhibitors are described. The X-ray crystal structure of imidazo[1,2-a]pyrazine Aurora inhibitor 1j is disclosed. Compound 10i was identified as lead compound with a promising overall profile ...

    The synthesis and structure-activity relationships (SAR) of novel, potent imidazo[1,2-a]pyrazine-based Aurora kinase inhibitors are described. The X-ray crystal structure of imidazo[1,2-a]pyrazine Aurora inhibitor 1j is disclosed. Compound 10i was identified as lead compound with a promising overall profile.


    Organizational Affiliation

    Department of Chemistry, Merck Research Laboratories, Cambridge, MA 02141, USA. david.belanger@merck.com



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Serine/threonine-protein kinase 6A283Homo sapiensMutation(s): 2 
Gene Names: AURKAAIKARK1AURABTAKSTK15STK6AIRK1AYK1IAK1
EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for O14965 (Homo sapiens)
Explore O14965 
Go to UniProtKB:  O14965
PHAROS:  O14965
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
NRM (Subject of Investigation/LOI)
Query on NRM

Download Ideal Coordinates CCD File 
B [auth A]N-(3-methylisothiazol-5-yl)-3-(1H-pyrazol-4-yl)imidazo[1,2-a]pyrazin-8-amine
C13 H11 N7 S
XWFNCZUACYBPGT-UHFFFAOYSA-N
 Ligand Interaction
Binding Affinity Annotations 
IDSourceBinding Affinity
NRM PDBBind:  3NRM IC50: 4 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.05 Å
  • R-Value Free: 0.258 
  • R-Value Work: 0.220 
  • R-Value Observed: 0.223 
  • Space Group: P 61 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 81.89α = 90
b = 81.89β = 90
c = 169.271γ = 120
Software Package:
Software NamePurpose
CrystalCleardata collection
BUSTERrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment  



Entry History 

Deposition Data

  • Deposited Date: 2010-06-30 
  • Released Date: 2010-08-18 
  • Deposition Author(s): Hruza, A.

Revision History  (Full details and data files)

  • Version 1.0: 2010-08-18
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance