3MPM

LCK complexed with a pyrazolopyrimidine


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.213 
  • R-Value Work: 0.170 
  • R-Value Observed: 0.172 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

New pyrazolo[1,5a]pyrimidines as orally active inhibitors of Lck.

Gommermann, N.Buehlmayer, P.von Matt, A.Breitenstein, W.Masuya, K.Pirard, B.Furet, P.Cowan-Jacob, S.W.Weckbecker, G.

(2010) Bioorg Med Chem Lett 20: 3628-3631

  • DOI: 10.1016/j.bmcl.2010.04.112
  • Primary Citation of Related Structures:  
    3MPM

  • PubMed Abstract: 
  • A novel series of pyrazolo[1,5a]pyrimidines was optimized to target lymphocyte-specific kinase (Lck). An efficient synthetic route was developed and SAR studies toward activity and selectivity are described, leading to Lck inhibitors with enzymatic, ...

    A novel series of pyrazolo[1,5a]pyrimidines was optimized to target lymphocyte-specific kinase (Lck). An efficient synthetic route was developed and SAR studies toward activity and selectivity are described, leading to Lck inhibitors with enzymatic, cellular and in vivo potency.


    Organizational Affiliation

    Novartis Institute of Biomedical Research, Forum 1, Novartis Campus, Basel, Switzerland. nina.gommermann@novartis.com



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Tyrosine-protein kinase LckA267Homo sapiensMutation(s): 1 
Gene Names: LCK
EC: 2.7.10.2
Find proteins for P06239 (Homo sapiens)
Explore P06239 
Go to UniProtKB:  P06239
NIH Common Fund Data Resources
PHAROS  P06239
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
5LK
Query on 5LK

Download CCD File 
A
4-{(6R,7R)-7-amino-3-[3-(4-methylpiperazin-1-yl)phenyl]-6,7-dihydropyrazolo[1,5-a]pyrimidin-6-yl}phenol
C23 H26 N6 O
KIMZUJNGIVVWNZ-RBBKRZOGSA-N
 Ligand Interaction
EDO
Query on EDO

Download CCD File 
A
1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
5LKIC50:  30   nM  Binding MOAD
5LKIC50 :  30   nM  PDBBind
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.213 
  • R-Value Work: 0.170 
  • R-Value Observed: 0.172 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 58.073α = 90
b = 44.624β = 90
c = 120.967γ = 90
Software Package:
Software NamePurpose
MAR345dtbdata collection
REFMACrefinement
XDSdata reduction
XSCALEdata scaling
REFMACphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2010-06-02
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2018-03-07
    Changes: Data collection