3O23

Human unphosphorylated IGF1-R Kinase domain in complex with an hydantoin inhibitor

• PDB DOI: https://doi.org/10.2210/pdb3O23/pdb

• Classification: TRANSFERASE/TRANSFERASE INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2010-07-22 Released: 2011-05-04 
• Deposition Author(s): Maignan, S., Guilloteau, J.P., Dupuy, A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.278 
• R-Value Work: 0.238 

Starting Model: experimental

Literature

Discovery of the first non-ATP competitive IGF-1R kinase inhibitors: Advantages in comparison with competitive inhibitors

Lesuisse, D., Mauger, J., Nemecek, C., Maignan, S., Boiziau, J., Harlow, G., Hittinger, A., Ruf, S., Strobel, H., Nair, A., Ritter, K., Malleron, J.L., Dagallier, A., El-Ahmad, Y., Guilloteau, J.P., Guizani, H., Bouchard, H., Venot, C.

(2011) Bioorg Med Chem Lett 21: 2224-2228

• PubMed: 21441024 
• DOI: https://doi.org/10.1016/j.bmcl.2011.03.003
• Primary Citation of Related Structures:  
  3O23


• PubMed Abstract: 
  

  A new series of IGF-1R inhibitors related to hydantoins were identified from a lead originating from HTS. Their noncompetitive property as well as their slow binding characteristics provided a series of compounds with unique selectivity and excellent cellular activities.

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Organizational Affiliation: 

Medicinal Chemistry, Sanofi-aventis, 13 Quai Jules Guesde, 94300 Vitry-sur-Seine, France. [e-mail]

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 35.26 kDa 
• Atom Count: 2,459 
• Modelled Residue Count: 293 
• Deposited Residue Count: 305 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin-like growth factor 1 receptor	A	305	Homo sapiens	Mutation(s): 1  Gene Names: IGF1R EC: 2.7.10.1
UniProt & NIH Common Fund Data Resources
Find proteins for P08069 (Homo sapiens) Explore P08069  Go to UniProtKB:  P08069
PHAROS:  P08069 GTEx:  ENSG00000140443

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MQY	B [auth A]	(5S)-5-methyl-1-(quinolin-4-ylmethyl)-3-{4-[(trifluoromethyl)sulfonyl]phenyl}imidazolidine-2,4-dione C21 H16 F3 N3 O4 S GKQIKYWYJQQLLD-ZDUSSCGKSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
MQY	PDBBind:  3O23	IC50: 500 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.278 
• R-Value Work: 0.238 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 49.768	α = 90
b = 48.755	β = 98.74
c = 70.73	γ = 90

Software Package:

Software Name	Purpose
AMoRE	phasing
CNX	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-05-04 
Deposition Author(s): Maignan, S., Guilloteau, J.P., Dupuy, A.

Revision History  

• Version 1.0: 2011-05-04
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description