3UOD

Aurora A in complex with RPM1693


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Free: 0.262 
  • R-Value Work: 0.205 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

A Novel Mechanism by Which Small Molecule Inhibitors Induce the DFG Flip in Aurora A.

Martin, M.P.Zhu, J.Y.Lawrence, H.R.Pireddu, R.Luo, Y.Alam, R.Ozcan, S.Sebti, S.M.Lawrence, N.J.Schonbrunn, E.

(2012) ACS Chem Biol 7: 698-706

  • DOI: 10.1021/cb200508b
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Most protein kinases share a DFG (Asp-Phe-Gly) motif in the ATP site that can assume two distinct conformations, the active DFG-in and the inactive DFG-out states. Small molecule inhibitors able to induce the DFG-out state have received considerable ...

    Most protein kinases share a DFG (Asp-Phe-Gly) motif in the ATP site that can assume two distinct conformations, the active DFG-in and the inactive DFG-out states. Small molecule inhibitors able to induce the DFG-out state have received considerable attention in kinase drug discovery. Using a typical DFG-in inhibitor scaffold of Aurora A, a kinase involved in the regulation of cell division, we found that halogen and nitrile substituents directed at the N-terminally flanking residue Ala273 induced global conformational changes in the enzyme, leading to DFG-out inhibitors that are among the most potent Aurora A inhibitors reported to date. The data suggest an unprecedented mechanism of action, in which induced-dipole forces along the Ala273 side chain alter the charge distribution of the DFG backbone, allowing the DFG to unwind. As the ADFG sequence and three-dimensional structure is highly conserved, DFG-out inhibitors of other kinases may be designed by specifically targeting the flanking alanine residue with electric dipoles.


    Organizational Affiliation

    Drug Discovery Department, Moffitt Cancer Center and Research Institute, Tampa, Florida 33612, United States.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Aurora kinase AA279Homo sapiensMutation(s): 1 
Gene Names: AURKAAIKAIRK1ARK1AURAAYK1BTAKIAK1STK15STK6
EC: 2.7.11.1
Find proteins for O14965 (Homo sapiens)
Explore O14965 
Go to UniProtKB:  O14965
NIH Common Fund Data Resources
PHAROS  O14965
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
0C3
Query on 0C3

Download CCD File 
A
4-[(4-{[2-(trifluoromethyl)phenyl]amino}pyrimidin-2-yl)amino]benzoic acid
C18 H13 F3 N4 O2
QFNWNXOHCUAEBM-UHFFFAOYSA-N
 Ligand Interaction
PEG
Query on PEG

Download CCD File 
A
DI(HYDROXYETHYL)ETHER
C4 H10 O3
MTHSVFCYNBDYFN-UHFFFAOYSA-N
 Ligand Interaction
EDO
Query on EDO

Download CCD File 
A
1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
0C3Kd:  49   nM  Binding MOAD
0C3ΔH:  59   kJ/mol  BindingDB
0C3Kd :  49   nM  PDBBind
0C3IC50:  35.099998474121094   nM  BindingDB
0C3IC50:  35   nM  BindingDB
0C3-TΔS:  17.889999389648438   kJ/mol  BindingDB
0C3Kd:  49   nM  BindingDB
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Free: 0.262 
  • R-Value Work: 0.205 
  • Space Group: P 61 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 81.98α = 90
b = 81.98β = 90
c = 173.81γ = 120
Software Package:
Software NamePurpose
StructureStudiodata collection
PHENIXmodel building
PHENIXrefinement
XDSdata reduction
XDSdata scaling
PHENIXphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2012-01-25
    Type: Initial release
  • Version 1.1: 2012-05-02
    Changes: Database references