9GUC | pdb_00009guc

Adhiron-mediated Identification of a Novel and Selective Allosteric Pocket in Aurora Kinase A

• PDB DOI: https://doi.org/10.2210/pdb9GUC/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens, synthetic construct
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2024-09-19 Released: 2025-10-01 
• Deposition Author(s): Roberts, J.P., Miles, J.A., Blinkhorne, F., Gaule, T.G., Bayliss, R.W., Johnson, C.A., Tomlinson, D.C.
• Funding Organization(s): Biotechnology and Biological Sciences Research Council (BBSRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 
  0.232 (Depositor), 0.194 (DCC) 
• R-Value Work: 
  0.191 (Depositor), 0.193 (DCC) 

Starting Model: experimental

Literature

Identification of the Novel, Druggable T-Pocket on Aurora Kinase A: Revealing a Selective Mechanism of Affimer mediated Allosteric Kinase Inhibition

Roberts, J.P., Holder, J., Miles, J.A., Blinkhorne, F., Tiede, C., Gaule, T.G., Cordell, P.A., Mohan, I., Shami-Inkindi, G.B., Smith, C.E., Bayliss, R.W., Johnson, C.A., Tomlinson, D.C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Macromolecule Content 

• Total Structure Weight: 45.7 kDa 
• Atom Count: 2,901 
• Modeled Residue Count: 338 
• Deposited Residue Count: 385 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aurora kinase A	A	285	Homo sapiens	Mutation(s): 2  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

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Affimer (JR-Aff7)	B	100	synthetic construct	Mutation(s): 0

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ADP	C [auth A]	ADENOSINE-5'-DIPHOSPHATE C10 H15 N5 O10 P2 XTWYTFMLZFPYCI-KQYNXXCUSA-N
AMP	E [auth A]	ADENOSINE MONOPHOSPHATE C10 H14 N5 O7 P UDMBCSSLTHHNCD-KQYNXXCUSA-N
EPE	D [auth A]	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID C8 H18 N2 O4 S JKMHFZQWWAIEOD-UHFFFAOYSA-N
MG	F [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free:  0.232 (Depositor), 0.194 (DCC) 
• R-Value Work:  0.191 (Depositor), 0.193 (DCC) 

Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 88.92	α = 90
b = 88.92	β = 90
c = 100.05	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
xia2	data reduction
xia2	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-10-01 
Deposition Author(s): Roberts, J.P., Miles, J.A., Blinkhorne, F., Gaule, T.G., Bayliss, R.W., Johnson, C.A., Tomlinson, D.C.

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Funding Organization	Location	Grant Number
Biotechnology and Biological Sciences Research Council (BBSRC)	United Kingdom	--

Revision History  

• Version 1.0: 2025-10-01
  Type: Initial release