3PSD

Non-oxime pyrazole based inhibitors of B-Raf kinase


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.60 Å
  • R-Value Free: 0.335 
  • R-Value Work: 0.277 
  • R-Value Observed: 0.280 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Non-oxime pyrazole based inhibitors of B-Raf kinase.

Newhouse, B.J.Hansen, J.D.Grina, J.Welch, M.Topalov, G.Littman, N.Callejo, M.Martinson, M.Galbraith, S.Laird, E.R.Brandhuber, B.J.Vigers, G.Morales, T.Woessner, R.Randolph, N.Lyssikatos, J.Olivero, A.

(2011) Bioorg Med Chem Lett 21: 3488-3492

  • DOI: 10.1016/j.bmcl.2010.12.038
  • Primary Citation of Related Structures:  
    3PSD

  • PubMed Abstract: 
  • The synthesis and biological evaluation of non-oxime pyrazole based B-Raf inhibitors is reported. Several oxime replacements have been prepared and have shown excellent enzyme activity. Further optimization of fused pyrazole 2a led to compound 38, a ...

    The synthesis and biological evaluation of non-oxime pyrazole based B-Raf inhibitors is reported. Several oxime replacements have been prepared and have shown excellent enzyme activity. Further optimization of fused pyrazole 2a led to compound 38, a selective and potent B-Raf inhibitor.


    Organizational Affiliation

    Array BioPharma, 3200 Walnut Street, Boulder, CO 80301, United States. bnewhouse@arraybiopharma.com



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
B-RAF PROTO-ONCOGENE SERINE/THREONINE-PROTEIN KINASEAB307Homo sapiensMutation(s): 0 
Gene Names: BRAFBRAF1RAFB1
EC: 2.7.11.1
Find proteins for P15056 (Homo sapiens)
Explore P15056 
Go to UniProtKB:  P15056
NIH Common Fund Data Resources
PHAROS  P15056
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SM7
Query on SM7

Download CCD File 
A, B
6-[1-(piperidin-4-yl)-3-(pyridin-4-yl)-1H-pyrazol-4-yl]indeno[1,2-c]pyrazole
C23 H20 N6
INSHJFDTYUIUOG-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
SM7IC50 :  3   nM  PDBBind
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.60 Å
  • R-Value Free: 0.335 
  • R-Value Work: 0.277 
  • R-Value Observed: 0.280 
  • Space Group: P 41 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 94.98α = 90
b = 94.98β = 90
c = 161.73γ = 90
Software Package:
Software NamePurpose
CrystalCleardata collection
MOLREPphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2011-05-18
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2018-01-24
    Changes: Structure summary