6HZU

HUMAN JAK1 IN COMPLEX WITH LASW1393


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.265 
  • R-Value Work: 0.201 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Identification of 2-Imidazopyridine and 2-Aminopyridone Purinones as Potent Pan-Janus Kinase (JAK) Inhibitors for the Inhaled Treatment of Respiratory Diseases.

Bach, J.Eastwood, P.Gonzalez, J.Gomez, E.Alonso, J.A.Fonquerna, S.Lozoya, E.Orellana, A.Maldonado, M.Calaf, E.Alberti, J.Perez, J.Andres, A.Prats, N.Carreno, C.Calama, E.De Alba, J.Calbet, M.Miralpeix, M.Ramis, I.

(2019) J.Med.Chem. 62: 9045-9060

  • DOI: 10.1021/acs.jmedchem.9b00533
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Janus kinases (JAKs) have a key role in regulating the expression and function of relevant inflammatory cytokines involved in asthma and chronic obstructive pulmonary disease. Herein are described the design, synthesis, and pharmacological evaluation ...

    Janus kinases (JAKs) have a key role in regulating the expression and function of relevant inflammatory cytokines involved in asthma and chronic obstructive pulmonary disease. Herein are described the design, synthesis, and pharmacological evaluation of a series of novel purinone JAK inhibitors with profiles suitable for inhaled administration. Replacement of the imidazopyridine hinge binding motif present in the initial compounds of this series with a pyridone ring resulted in the mitigation of cell cytotoxicity. Further systematic structure-activity relationship (SAR) efforts driven by structural biology studies led to the discovery of pyridone 34 , a potent pan-JAK inhibitor with good selectivity, long lung retention time, low oral bioavailability, and proven efficacy in the lipopolysaccharide-induced rat model of airway inflammation by the inhaled route.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Tyrosine-protein kinase JAK1
A, B
302Homo sapiensMutation(s): 0 
Gene Names: JAK1 (JAK1A, JAK1B)
EC: 2.7.10.2
Find proteins for P23458 (Homo sapiens)
Go to Gene View: JAK1
Go to UniProtKB:  P23458
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GYQ
Query on GYQ

Download SDF File 
Download CCD File 
A, B
2-[4-[8-oxidanylidene-2-[(~{E})-(2-oxidanylidenepyridin-3-ylidene)amino]-7~{H}-purin-9-yl]cyclohexyl]ethanenitrile
C18 H17 N7 O2
JCBSNZZSUFHWSE-UGHOIBRWSA-N
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
PTR
Query on PTR
A, B
L-PEPTIDE LINKINGC9 H12 N O6 PTYR
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.265 
  • R-Value Work: 0.201 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 42.794α = 90.00
b = 173.763β = 94.24
c = 44.864γ = 90.00
Software Package:
Software NamePurpose
XSCALEdata scaling
REFMACphasing
XDSdata reduction
REFMACrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2019-10-23
    Type: Initial release
  • Version 1.1: 2019-10-30
    Type: Data collection, Structure summary
  • Version 1.2: 2019-11-06
    Type: Data collection, Database references