2B53

Human cyclin dependent kinase 2 (CDK2) complexed with DIN-234325


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.273 
  • R-Value Work: 0.223 

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Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history


Literature

Quinazolines as Cyclin Dependent Kinase Inhibitors

Sielecki, T.M.Johnson, T.L.Liu, J.Muckelbauer, J.K.Grafstrom, R.H.Cox, S.Boylan, J.Burton, C.R.Chen, H.Smallwood, A.Chang, C.-H.Boisclair, M.Benfield, P.A.Trainor, G.L.Seitz, S.P.

(2001) Bioorg Med Chem Lett 11: 1157-1160

  • DOI: 10.1016/s0960-894x(01)00185-8
  • Primary Citation of Related Structures:  
    2B53

  • PubMed Abstract: 
  • Quinazolines have been identified as inhibitors of CDK4/D1 and CDK2/E. Aspects of the SAR were investigated using solution-phase, parallel synthesis. An X-ray crystal structure was obtained of quinazoline 51 bound in CDK2 and key interactions within the ATP binding pocket are defined ...

    Quinazolines have been identified as inhibitors of CDK4/D1 and CDK2/E. Aspects of the SAR were investigated using solution-phase, parallel synthesis. An X-ray crystal structure was obtained of quinazoline 51 bound in CDK2 and key interactions within the ATP binding pocket are defined.


    Organizational Affiliation

    The DuPont Pharmaceuticals Company, Wilmington, DE 19880-0500, USA. thais.m.sielecki@dupontpharma.com



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Cell division protein kinase 2A298Homo sapiensMutation(s): 0 
Gene Names: CDK2CDKN2
EC: 2.7.1.37 (PDB Primary Data), 2.7.11.22 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for P24941 (Homo sapiens)
Explore P24941 
Go to UniProtKB:  P24941
PHAROS:  P24941
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
D23 (Subject of Investigation/LOI)
Query on D23

Download Ideal Coordinates CCD File 
B [auth A]6-(3-AMINOPHENYL)-N-(TERT-BUTYL)-2-(TRIFLUOROMETHYL)QUINAZOLIN-4-AMINE
C19 H19 F3 N4
XQKJVNGGVLHNLA-UHFFFAOYSA-N
 Ligand Interaction
Binding Affinity Annotations 
IDSourceBinding Affinity
D23 PDBBind:  2B53 IC50: 600 (nM) from 1 assay(s)
Binding MOAD:  2B53 IC50: 600 (nM) from 1 assay(s)
BindingDB:  2B53 IC50: 600 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.273 
  • R-Value Work: 0.223 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 71.96α = 90
b = 73.51β = 90
c = 54.28γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
X-PLORmodel building
CNXrefinement
X-PLORphasing

Structure Validation

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Ligand Structure Quality Assessment  



Entry History 

Deposition Data

  • Deposited Date: 2005-09-27 
  • Released Date: 2005-10-11 
  • Deposition Author(s): Muckelbauer, J.

Revision History  (Full details and data files)

  • Version 1.0: 2005-10-11
    Type: Initial release
  • Version 1.1: 2008-05-01
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance