3Q32 | pdb_00003q32

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 (Depositor), 0.222 (DCC) 
  • R-Value Work: 
    0.178 (Depositor) 
  • R-Value Observed: 
    0.178 (Depositor) 

wwPDB Validation 3D Report Full Report

Validation slider image for 3Q32

Ligand Structure Quality Assessment 


This is version 1.2 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: https://doi.org/10.1016/j.bmcl.2011.01.022
  • Primary Citation 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

Macromolecule Content 

  • Total Structure Weight: 72.36 kDa 
  • Atom Count: 5,039 
  • Modeled Residue Count: 589 
  • Deposited Residue Count: 602 
  • Unique protein chains: 1

Macromolecules

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|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Tyrosine-protein kinase JAK2
A, B
301Homo sapiensMutation(s): 0 
Gene Names: JAK2
EC: 2.7.10.2
UniProt & NIH Common Fund Data Resources
Find proteins for O60674 (Homo sapiens)
Explore O60674 
Go to UniProtKB:  O60674
PHAROS:  O60674
GTEx:  ENSG00000096968 
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupO60674
Sequence Annotations
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Reference Sequence

Small Molecules

Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
J2I

Query on J2I


Download:Ideal Coordinates CCD File
C [auth A],
D [auth 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
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
PTR
Query on PTR
A, B
L-PEPTIDE LINKINGC9 H12 N O6 PTYR

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Free:  0.210 (Depositor), 0.222 (DCC) 
  • R-Value Work:  0.178 (Depositor) 
  • R-Value Observed: 0.178 (Depositor) 
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

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Ligand Structure Quality Assessment 


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Entry History 

Deposition Data

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

Revision History  (Full details and data files)

  • Version 1.0: 2011-02-16
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2024-11-06
    Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary