3L8X

P38 alpha kinase complexed with a pyrazolo-pyrimidine based inhibitor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.40 Å
  • R-Value Free: 0.319 
  • R-Value Work: 0.225 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Pyrazolo-Pyrimidines: A Novel Heterocyclic Scaffold for Potent and Selective P38 Alpha Inhibitors.

Das, J.Moquin, R.V.Pitt, S.Zhang, R.Shen, D.R.Mcintyre, K.W.Gillooly, K.Doweyko, A.M.Sack, J.S.Zhang, H.Kiefer, S.E.Kish, K.Mckinnon, M.Barrish, J.C.Dodd, J.H.Schieven, G.L.Leftheris, K.

(2008) Bioorg Med Chem Lett 18: 2652

  • DOI: 10.1016/j.bmcl.2008.03.019
  • Primary Citation of Related Structures:  
    3L8X

  • PubMed Abstract: 
  • The synthesis and structure-activity relationships (SAR) of p38 alpha MAP kinase inhibitors based on a pyrazolo-pyrimidine scaffold are described. These studies led to the identification of compound 2x as a potent and selective inhibitor of p38 alpha ...

    The synthesis and structure-activity relationships (SAR) of p38 alpha MAP kinase inhibitors based on a pyrazolo-pyrimidine scaffold are described. These studies led to the identification of compound 2x as a potent and selective inhibitor of p38 alpha MAP kinase with excellent cellular potency toward the inhibition of TNFalpha production. Compound 2x was highly efficacious in vivo in inhibiting TNFalpha production in an acute murine model of TNFalpha production. X-ray co-crystallography of a pyrazolo-pyrimidine analog 2b bound to unphosphorylated p38 alpha is also disclosed.


    Organizational Affiliation

    Bristol-Myers Squibb Research and Development, PO Box 4000, Princeton, NJ 08543-4000, USA. jagabandhu.das@bms.com



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Mitogen-activated protein kinase 14A366Homo sapiensMutation(s): 0 
Gene Names: CSBPCSBP1CSBP2CSPB1MAPK14MXI2SAPK2A
EC: 2.7.11.24
Find proteins for Q16539 (Homo sapiens)
Explore Q16539 
Go to UniProtKB:  Q16539
NIH Common Fund Data Resources
PHAROS  Q16539
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
N4D
Query on N4D

Download CCD File 
A
N,4-dimethyl-3-[(1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino]benzamide
C20 H18 N6 O
OYTBZXSFNNAVKU-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
N4DIC50:  10   nM  Binding MOAD
N4DIC50:  10   nM  BindingDB
N4DKd :  10   nM  PDBBind
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.40 Å
  • R-Value Free: 0.319 
  • R-Value Work: 0.225 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 67.392α = 90
b = 71.148β = 90
c = 73.12γ = 90
Software Package:
Software NamePurpose
BUSTERrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

  • Deposited Date: 2010-01-04 
  • Released Date: 2010-03-02 
  • Deposition Author(s): Sack, J.S.
  • This entry supersedes: 3CG2

Revision History 

  • Version 1.0: 2010-03-02
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2020-09-02
    Changes: Derived calculations, Structure summary