5OBR

Aurora A kinase in complex with 2-(3-chloro-5-fluorophenyl)quinoline-4-carboxylic acid and JNJ-7706621

• PDB DOI: https://doi.org/10.2210/pdb5OBR/pdb

• Classification: CELL CYCLE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2017-06-29 Released: 2017-08-09 
• Deposition Author(s): Rossmann, M., Janecek, M., Hyvonen, M.
• Funding Organization(s): Wellcome Trust

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.62 Å
• R-Value Free: 
  0.292 (Depositor), 0.290 (DCC) 
• R-Value Work: 
  0.223 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.226 (Depositor) 

Literature

Computationally-guided optimization of small-molecule inhibitors of the Aurora A kinase-TPX2 protein-protein interaction.

Cole, D.J., Janecek, M., Stokes, J.E., Rossmann, M., Faver, J.C., McKenzie, G.J., Venkitaraman, A.R., Hyvonen, M., Spring, D.R., Huggins, D.J., Jorgensen, W.L.

(2017) Chem Commun (Camb) 53: 9372-9375

• PubMed: 28787041 
• DOI: https://doi.org/10.1039/c7cc05379g
• Primary Citation of Related Structures:  
  5OBJ, 5OBR


• PubMed Abstract: 
  

  Free energy perturbation theory, in combination with enhanced sampling of protein-ligand binding modes, is evaluated in the context of fragment-based drug design, and used to design two new small-molecule inhibitors of the Aurora A kinase-TPX2 protein-protein interaction.

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Organizational Affiliation: 

Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, USA and School of Chemistry, Newcastle University, Newcastle upon Tyne NE1 7RU, UK. [e-mail].

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 32.18 kDa 
• Atom Count: 2,127 
• Modelled Residue Count: 255 
• Deposited Residue Count: 272 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aurora kinase A	A	272	Homo sapiens	Mutation(s): 0  Gene Names: AURKA, AIK, AIRK1, ARK1, AURA, AYK1, BTAK, IAK1, STK15, STK6 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 GTEx:  ENSG00000087586

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SKE	C [auth A]	4-({5-amino-1-[(2,6-difluorophenyl)carbonyl]-1H-1,2,4-triazol-3-yl}amino)benzenesulfonamide C15 H12 F2 N6 O3 S KDKUVYLMPJIGKA-UHFFFAOYSA-N
9QT	B [auth A]	2-(3-chloranyl-5-fluoranyl-phenyl)quinoline-4-carboxylic acid C16 H9 Cl F N O2 NIKQCFUMVUWEJP-UHFFFAOYSA-N
MG	D [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
SKE	BindingDB:  5OBR	Kd: 250 (nM) from 1 assay(s)
		IC50: 11 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.62 Å
• R-Value Free:  0.292 (Depositor), 0.290 (DCC) 
• R-Value Work:  0.223 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.226 (Depositor) 

Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.7	α = 90
b = 83.7	β = 90
c = 169.7	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2017-08-09 
Deposition Author(s): Rossmann, M., Janecek, M., Hyvonen, M.

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Funding Organization	Location	Grant Number
Wellcome Trust	United Kingdom	090340/Z/09/Z

Revision History  

• Version 1.0: 2017-08-09
  Type: Initial release
  
• Version 1.1: 2017-08-23
  Changes: Database references
• Version 1.2: 2017-08-30
  Changes: Database references
• Version 1.3: 2018-01-24
  Changes: Source and taxonomy
• Version 2.0: 2024-05-08
  Changes: Atomic model, Data collection, Database references