3Q32

Structure of Janus kinase 2 with a pyrrolotriazine inhibitor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Free: 0.210 
  • R-Value Work: 0.178 
  • R-Value Observed: 0.178 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Pyrrolo[1,2-f]triazines as JAK2 inhibitors: Achieving potency and selectivity for JAK2 over JAK3.

Harikrishnan, L.S.Kamau, M.G.Wan, H.Inghrim, J.A.Zimmermann, K.Sang, X.Mastalerz, H.A.Johnson, W.L.Zhang, G.Lombardo, L.J.Poss, M.A.Trainor, G.L.Tokarski, J.S.Lorenzi, M.V.You, D.Gottardis, M.M.Baldwin, K.F.Lippy, J.Nirschl, D.S.Qiu, R.Miller, A.V.Khan, J.Sack, J.S.Purandare, A.V.

(2011) Bioorg Med Chem Lett 21: 1425-1428

  • DOI: 10.1016/j.bmcl.2011.01.022
  • Primary Citation of Related Structures:  
    3Q32

  • PubMed Abstract: 
  • SAR studies of pyrrolo[1,2-f]triazines as JAK2 inhibitors is presented. Achieving JAK2 inhibition selectively over JAK3 is discussed.


    Organizational Affiliation

    Bristol-Myers Squibb Co., Princeton, NJ 08543-4000, USA. lalgudi.harikrishnan@bms.com



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Tyrosine-protein kinase JAK2AB301Homo sapiensMutation(s): 0 
Gene Names: JAK2
EC: 2.7.10.2
Find proteins for O60674 (Homo sapiens)
Explore O60674 
Go to UniProtKB:  O60674
NIH Common Fund Data Resources
PHAROS  O60674
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
J2I
Query on J2I

Download CCD File 
A, B
2-(2,6-difluoro-4-methoxyphenyl)-1-(4-{4-[(3-methyl-1H-pyrazol-5-yl)amino]pyrrolo[2,1-f][1,2,4]triazin-2-yl}piperazin-1-yl)ethanone
C23 H24 F2 N8 O2
CFXACTJFCDMPJK-UHFFFAOYSA-N
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
PTR
Query on PTR
A,BL-PEPTIDE LINKINGC9 H12 N O6 PTYR
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
J2IIC50 :  1.7999999523162842   nM  PDBBind
J2IIC50:  1.7999999523162842   nM  Binding MOAD
J2IIC50:  1.7999999523162842   nM  BindingDB
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Free: 0.210 
  • R-Value Work: 0.178 
  • R-Value Observed: 0.178 
  • Space Group: P 41
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 110.59α = 90
b = 110.59β = 90
c = 69.96γ = 90
Software Package:
Software NamePurpose
BUSTERrefinement
HKL-2000data reduction
SCALEPACKdata scaling
PHASERphasing
AUTOBUSTERrefinement

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

  • Deposited Date: 2010-12-21 
  • Released Date: 2011-02-16 
  • Deposition Author(s): Sack, J.S.

Revision History 

  • Version 1.0: 2011-02-16
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance