3S4Q

P38 alpha kinase complexed with a pyrazolo-triazine based inhibitor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.27 Å
  • R-Value Free: 0.327 
  • R-Value Work: 0.257 
  • R-Value Observed: 0.260 

wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 


This is version 1.0 of the entry. See complete history


Literature

Discovery of pyrrolo[2,1-f][1,2,4]triazine C6-ketones as potent, orally active p38α MAP kinase inhibitors.

Dyckman, A.J.Li, T.Pitt, S.Zhang, R.Shen, D.R.McIntyre, K.W.Gillooly, K.M.Shuster, D.J.Doweyko, A.M.Sack, J.S.Kish, K.Kiefer, S.E.Newitt, J.A.Zhang, H.Marathe, P.H.McKinnon, M.Barrish, J.C.Dodd, J.H.Schieven, G.L.Leftheris, K.

(2011) Bioorg Med Chem Lett 21: 4633-4637

  • DOI: 10.1016/j.bmcl.2011.05.091
  • Primary Citation of Related Structures:  
    3S4Q

  • PubMed Abstract: 
  • Pyrrolo[2,1-f][1,2,4]triazine based inhibitors of p38α have been prepared exploring functional group modifications at the C6 position. Incorporation of aryl and heteroaryl ketones at this position led to potent inhibitors with efficacy in in vivo models of acute and chronic inflammation ...

    Pyrrolo[2,1-f][1,2,4]triazine based inhibitors of p38α have been prepared exploring functional group modifications at the C6 position. Incorporation of aryl and heteroaryl ketones at this position led to potent inhibitors with efficacy in in vivo models of acute and chronic inflammation.


    Organizational Affiliation

    Bristol-Myers Squibb, Research and Development, Princeton, NJ 08543-4000, USA. alaric.dyckman@bms.com



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Mitogen-activated protein kinase 14A366Homo sapiensMutation(s): 0 
Gene Names: CSBPCSBP1CSBP2CSPB1MAPK14MXI2SAPK2A
EC: 2.7.11.24
UniProt & NIH Common Fund Data Resources
Find proteins for Q16539 (Homo sapiens)
Explore Q16539 
Go to UniProtKB:  Q16539
PHAROS:  Q16539
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ16539
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
NK0
Query on NK0

Download Ideal Coordinates CCD File 
B [auth A]3-[(6-benzoyl-5-methylpyrrolo[2,1-f][1,2,4]triazin-4-yl)amino]-N-cyclopropyl-4-methylbenzamide
C25 H23 N5 O2
CQPNJQRTSADQCI-UHFFFAOYSA-N
 Ligand Interaction
Binding Affinity Annotations 
IDSourceBinding Affinity
NK0 BindingDB:  3S4Q IC50: 4 (nM) from 1 assay(s)
Binding MOAD:  3S4Q IC50: 4 (nM) from 1 assay(s)
PDBBind:  3S4Q IC50: 4 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.27 Å
  • R-Value Free: 0.327 
  • R-Value Work: 0.257 
  • R-Value Observed: 0.260 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 67.34α = 90
b = 71.5β = 90
c = 73.49γ = 90
Software Package:
Software NamePurpose
BUSTERrefinement
DENZOdata reduction
SCALEPACKdata scaling

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 



Entry History 

Deposition Data

  • Deposited Date: 2011-05-20 
  • Released Date: 2012-02-01 
  • Deposition Author(s): Sack, J.S.

Revision History  (Full details and data files)

  • Version 1.0: 2012-02-01
    Type: Initial release