2C6E

Aurora A kinase activated mutant (T287D) in complex with a 5- aminopyrimidinyl quinazoline inhibitor

• PDB DOI: https://doi.org/10.2210/pdb2C6E/pdb

• Classification: TRANSFERASE/INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2005-11-09 Released: 2006-01-11 
• Deposition Author(s): Pauptit, R.A., Pannifer, A.D., Breed, J., McMiken, H.H.J., Rowsell, S., Anderson, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.270 
• R-Value Work: 0.200 

Starting Models: experimental

Literature

Sar and Inhibitor Complex Structure Determination of a Novel Class of Potent and Specific Aurora Kinase Inhibitors.

Heron, N.M., Anderson, M., Blowers, D.P., Breed, J., Eden, J.M., Green, S., Hill, G.B., Johnson, T., Jung, F.H., Mcmiken, H.H.J., Mortlock, A.A., Pannifer, A.D., Pauptit, R.A., Pink, J., Roberts, N.J., Rowsell, S.

(2006) Bioorg Med Chem Lett 16: 1320

• PubMed: 16337122 
• DOI: https://doi.org/10.1016/j.bmcl.2005.11.053
• Primary Citation of Related Structures:  
  2C6D, 2C6E


• PubMed Abstract: 
  

  A novel series of 5-aminopyrimidinyl quinazolines has been developed from anilino-quinazoline 1, which was identified in a high throughput screen for Aurora A. Introduction of the pyrimidine ring and optimisation of the substituents both on this ring and at the C7 position of the quinazoline led to the discovery of compounds that are highly specific Aurora kinase inhibitors. Co-crystallisation of one of these inhibitors with a fragment of Aurora A shows the importance of the benzamido group in achieving selectivity.

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Organizational Affiliation: 

AstraZeneca, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG,UK. [e-mail]

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PQS (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors and generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 66.6 kDa 
• Atom Count: 4,197 
• Modelled Residue Count: 497 
• Deposited Residue Count: 566 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SERINE/THREONINE-PROTEIN KINASE 6	A, B	283	Homo sapiens	Mutation(s): 0  EC: 2.7.1.37 (PDB Primary Data), 2.7.11.1 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for O14965 (Homo sapiens) Explore O14965  Go to UniProtKB:  O14965
PHAROS:  O14965 GTEx:  ENSG00000087586

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HPM	C [auth A], D [auth B]	N-{5-[(7-{[(2S)-2-HYDROXY-3-PIPERIDIN-1-YLPROPYL]OXY}-6-METHOXYQUINAZOLIN-4-YL)AMINO]PYRIMIDIN-2-YL}BENZAMIDE C28 H31 N7 O4 WHHFZOIADLFZRX-NRFANRHFSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
HPM	PDBBind:  2C6E	IC50: 0.8 (nM) from 1 assay(s)
	BindingDB:  2C6E	IC50: 0.8 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.270 
• R-Value Work: 0.200 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.603	α = 90
b = 88.421	β = 90.01
c = 67.832	γ = 90

Software Package:

Software Name	Purpose
CNX	refinement
MOSFLM	data reduction
CCP4	data scaling
EPMR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-01-11 
Deposition Author(s): Pauptit, R.A., Pannifer, A.D., Breed, J., McMiken, H.H.J., Rowsell, S., Anderson, M.

Revision History  

• Version 1.0: 2006-01-11
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-12-13
  Changes: Data collection, Database references, Other, Refinement description