5USZ

JAK2 JH2 in complex with JNJ-7706621


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.103 Å
  • R-Value Free: 0.224 
  • R-Value Work: 0.172 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

Identification and Characterization of JAK2 Pseudokinase Domain Small Molecule Binders.

Puleo, D.E.Kucera, K.Hammaren, H.M.Ungureanu, D.Newton, A.S.Silvennoinen, O.Jorgensen, W.L.Schlessinger, J.

(2017) ACS Med Chem Lett 8: 618-621

  • DOI: 10.1021/acsmedchemlett.7b00153
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Janus kinases (JAKs) regulate hematopoiesis via the cytokine-mediated JAK-STAT signaling pathway. JAKs contain tandem C-terminal pseudokinase (JH2) and tyrosine kinase (JH1) domains. The JAK2 pseudokinase domain adopts a protein kinase fold and, desp ...

    Janus kinases (JAKs) regulate hematopoiesis via the cytokine-mediated JAK-STAT signaling pathway. JAKs contain tandem C-terminal pseudokinase (JH2) and tyrosine kinase (JH1) domains. The JAK2 pseudokinase domain adopts a protein kinase fold and, despite its pseudokinase designation, binds ATP with micromolar affinity. Recent evidence shows that displacing ATP from the JAK2 JH2 domain alters the hyperactivation state of the oncogenic JAK2 V617F protein while sparing the wild type JAK2 protein. In this study, small molecule binders of JAK2 JH2 were identified via an in vitro screen. Top hits were characterized using biophysical and structural approaches. Development of pseudokinase-selective compounds may offer novel pharmacological opportunities for treating cancers driven by JAK2 V617F and other oncogenic JAK mutants.


    Organizational Affiliation

    Department of Pharmacology and Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Tyrosine-protein kinase JAK2
A
289Homo sapiensMutation(s): 3 
Gene Names: JAK2
EC: 2.7.10.2
Find proteins for O60674 (Homo sapiens)
Go to Gene View: JAK2
Go to UniProtKB:  O60674
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GOL
Query on GOL

Download SDF File 
Download CCD File 
A
GLYCEROL
GLYCERIN; PROPANE-1,2,3-TRIOL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
SKE
Query on SKE

Download SDF File 
Download CCD File 
A
4-({5-amino-1-[(2,6-difluorophenyl)carbonyl]-1H-1,2,4-triazol-3-yl}amino)benzenesulfonamide
C15 H12 F2 N6 O3 S
KDKUVYLMPJIGKA-UHFFFAOYSA-N
 Ligand Interaction
DMS
Query on DMS

Download SDF File 
Download CCD File 
A
DIMETHYL SULFOXIDE
C2 H6 O S
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
SKEKd: 106 nM BINDINGMOAD
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.103 Å
  • R-Value Free: 0.224 
  • R-Value Work: 0.172 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 44.716α = 90.00
b = 57.533β = 110.41
c = 60.769γ = 90.00
Software Package:
Software NamePurpose
PHASERphasing
HKL-2000data reduction
SCALEPACKdata scaling
PHENIXrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of General Medical SciencesUnited StatesGM007324
Gilead SciencesYG-003-13

Revision History 

  • Version 1.0: 2017-06-07
    Type: Initial release
  • Version 1.1: 2017-07-05
    Type: Database references
  • Version 1.2: 2017-09-13
    Type: Author supporting evidence
  • Version 1.3: 2017-09-27
    Type: Data collection