4JPS

Co-crystal Structures of the Lipid Kinase PI3K alpha with Pan and Isoform Selective Inhibitors


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.228 
  • R-Value Work: 0.205 
  • R-Value Observed: 0.206 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Discovery of NVP-BYL719 a potent and selective phosphatidylinositol-3 kinase alpha inhibitor selected for clinical evaluation.

Furet, P.Guagnano, V.Fairhurst, R.A.Imbach-Weese, P.Bruce, I.Knapp, M.Fritsch, C.Blasco, F.Blanz, J.Aichholz, R.Hamon, J.Fabbro, D.Caravatti, G.

(2013) Bioorg Med Chem Lett 23: 3741-3748

  • DOI: 10.1016/j.bmcl.2013.05.007
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Phosphatidylinositol-3-kinase α (PI3Kα) is a therapeutic target of high interest in anticancer drug research. On the basis of a binding model rationalizing the high selectivity and potency of a particular series of 2-aminothiazole compounds in inhibiting PI3Kα, a medicinal chemistry program has led to the discovery of the clinical candidate NVP-BYL719 ...

    Phosphatidylinositol-3-kinase α (PI3Kα) is a therapeutic target of high interest in anticancer drug research. On the basis of a binding model rationalizing the high selectivity and potency of a particular series of 2-aminothiazole compounds in inhibiting PI3Kα, a medicinal chemistry program has led to the discovery of the clinical candidate NVP-BYL719.


    Organizational Affiliation

    Novartis Institutes for BioMedical Research, WKL-136.4.12, CH-4002 Basel, Switzerland.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoformA1074Homo sapiensMutation(s): 2 
Gene Names: PIK3CA
EC: 2.7.1.153 (PDB Primary Data), 2.7.11.1 (PDB Primary Data)
Find proteins for P42336 (Homo sapiens)
Explore P42336 
Go to UniProtKB:  P42336
NIH Common Fund Data Resources
PHAROS  P42336
Protein Feature View
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  • Reference Sequence

Find similar proteins by: Sequence  |  Structure

Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Phosphatidylinositol 3-kinase regulatory subunit alphaB293Homo sapiensMutation(s): 0 
Gene Names: GRB1PIK3R1
Find proteins for P27986 (Homo sapiens)
Explore P27986 
Go to UniProtKB:  P27986
NIH Common Fund Data Resources
PHAROS  P27986
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
1LT
Query on 1LT

Download CCD File 
A
(2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide
C19 H22 F3 N5 O2 S
STUWGJZDJHPWGZ-LBPRGKRZSA-N
 Ligand Interaction
SCN
Query on SCN

Download CCD File 
A
THIOCYANATE ION
C N S
ZMZDMBWJUHKJPS-UHFFFAOYSA-M
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
1LTIC50:  4.599999904632568   nM  BindingDB
1LTIC50:  5   nM  BindingDB
1LTIC50:  74   nM  BindingDB
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.228 
  • R-Value Work: 0.205 
  • R-Value Observed: 0.206 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 104.865α = 90
b = 106.195β = 90
c = 133.667γ = 90
Software Package:
Software NamePurpose
SCALAdata scaling
BUSTER-TNTrefinement
PDB_EXTRACTdata extraction
CBASSdata collection
XSCALEdata scaling
BUSTERrefinement

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2014-04-02
    Type: Initial release
  • Version 1.1: 2017-11-15
    Changes: Refinement description