Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

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Protein Workshop | Ligand Explorer

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

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

Macromolecule Content

• Total Structure Weight: 33089.01 
• Atom Count: 1935 
• Residue Count: 284 
• Unique protein chains: 1

4D2S

Human TTK in complex with a Dyrk1B inhibitor

• DOI: 10.2210/pdb4D2S/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda


• Deposited: 2014-05-12 Released: 2015-04-22 
• Deposition Author(s): Debreczeni, J.E., Kettle, J.G., Ballard, P., Bardelle, C., Butterworth, S., Colclough, N., Crichlow, S., Fairley, G., Fillery, S., Graham, M.A., Goodwin, L., Guichard, S., Hudson, K., Mahmood, A., Vincent, J., Ward, R.A., Whittaker, D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.5 Å
• R-Value Free: 0.221 
• R-Value Work: 0.179 

Literature

Discovery and Optimization of a Novel Series of Dyrk1B Kinase Inhibitors to Explore a Mek Resistance Hypothesis.

Kettle, J.G., Ballard, P., Bardelle, C., Cockerill, M., Colclough, N., Critchlow, S.E., Debreczeni, J.E., Fairley, G., Fillery, S., Graham, M.A., Goodwin, L., Guichard, S., Hudson, K., Ward, R.A., Whittaker, D.

(2015) J.Med.Chem. 58: 2834

• PubMed: 25738750 
• DOI: 10.1021/acs.jmedchem.5b00098
• Primary Citation of Related Structures:  
  4D2R


• PubMed Abstract: 
  

Potent and selective inhibitors of Dyrk1B kinase were developed to explore the hypothesis, based on siRNA studies, that Dyrk1B may be a resistance mechanism in cells undergoing a stress response.

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Organizational Affiliation: 

Oncology iMed, AstraZeneca, Alderley Park, Macclesfield, SK10 4TG, United Kingdom.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
DUAL SPECIFICITY PROTEIN KINASE TTK	A	284	Homo sapiens	Mutation(s): 0  Gene Names: TTK (MPS1, MPS1L1) EC: 2.7.12.1
Find proteins for P33981 (Homo sapiens) Go to Gene View: TTK Go to UniProtKB:  P33981

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
DYK	A	N-{2-methoxy-4-[(1-methylpiperidin-4-yl)oxy]phenyl}-4-(1H-pyrrolo[2,3-c]pyridin-3-yl)pyrimidin-2-amine C24 H26 N6 O2 FTZQWKAIKYEWPM-UHFFFAOYSA-N

External Ligand Annotations
ID	Binding Affinity (Sequence Identity %)
DYK	IC50: 20 nM (99) BINDINGDB

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.5 Å
• R-Value Free: 0.221 
• R-Value Work: 0.179 
• Space Group: C 2 2 2₁

Unit Cell:

Length (Å)	Angle (°)
a = 108.013	α = 90.00
b = 113.352	β = 90.00
c = 71.038	γ = 90.00

Software Package:

Software Name	Purpose
SCALA	data scaling
MOSFLM	data reduction
AMoRE	phasing
BUSTER	refinement

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2014-05-12 
• Released Date: 2015-04-22 
• Deposition Author(s): Debreczeni, J.E., Kettle, J.G., Ballard, P., Bardelle, C., Butterworth, S., Colclough, N., Crichlow, S., Fairley, G., Fillery, S., Graham, M.A., Goodwin, L., Guichard, S., Hudson, K., Mahmood, A., Vincent, J., Ward, R.A., Whittaker, D.

Revision History 

• Version 1.0: 2015-04-22
  Type: Initial release