Structure of AuroraA with pyridyl-pyrimidine urea inhibitor

Experimental Data Snapshot

  • Resolution: 2.29 Å
  • R-Value Free: 0.295 
  • R-Value Work: 0.258 
  • R-Value Observed: 0.260 

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This is version 1.3 of the entry. See complete history


Pyridyl-pyrimidine benzimidazole derivatives as potent, selective, and orally bioavailable inhibitors of Tie-2 kinase.

Cee, V.J.Cheng, A.C.Romero, K.Bellon, S.Mohr, C.Whittington, D.A.Bak, A.Bready, J.Caenepeel, S.Coxon, A.Deak, H.L.Fretland, J.Gu, Y.Hodous, B.L.Huang, X.Kim, J.L.Lin, J.Long, A.M.Nguyen, H.Olivieri, P.R.Patel, V.F.Wang, L.Zhou, Y.Hughes, P.Geuns-Meyer, S.

(2009) Bioorg Med Chem Lett 19: 424-427

  • DOI: https://doi.org/10.1016/j.bmcl.2008.11.056
  • Primary Citation of Related Structures:  
    3DA6, 3EFW, 3EWH

  • PubMed Abstract: 

    Selective small molecule inhibitors of Tie-2 kinase are important tools for the validation of Tie-2 signaling in pathological angiogenesis. Reported herein is the optimization of a nonselective scaffold into a potent and highly selective inhibitor of Tie-2 kinase.

  • Organizational Affiliation

    Department of Medicinal Chemistry, Amgen Inc., One Kendall Square, Bldg. 1000, Cambridge, MA 02139, USA. vcee@amgen.com

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Serine/threonine-protein kinase 6
A, B
267Homo sapiensMutation(s): 0 
UniProt & NIH Common Fund Data Resources
Find proteins for O14965 (Homo sapiens)
Explore O14965 
Go to UniProtKB:  O14965
PHAROS:  O14965
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupO14965
Sequence Annotations
  • Reference Sequence
Small Molecules
Binding Affinity Annotations 
IDSourceBinding Affinity
AK8 PDBBind:  3EFW IC50: 4 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Resolution: 2.29 Å
  • R-Value Free: 0.295 
  • R-Value Work: 0.258 
  • R-Value Observed: 0.260 
  • Space Group: C 2 2 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 118.511α = 90
b = 125.448β = 90
c = 75.752γ = 90
Software Package:
Software NamePurpose
CrystalCleardata collection
DENZOdata reduction
SCALEPACKdata 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: 2008-12-23
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2012-03-21
    Changes: Database references, Structure summary
  • Version 1.3: 2013-06-26
    Changes: Database references