1VJY

Crystal Structure of a Naphthyridine Inhibitor of Human TGF-beta Type I Receptor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.275 
  • R-Value Work: 0.223 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Identification of 1,5-Naphthyridine Derivatives as a Novel Series of Potent and Selective TGF-beta Type I Receptor Inhibitors.

Gellibert, F.Woolven, J.Fouchet, M.-H.Mathews, N.Goodland, H.Lovegrove, V.Laroze, A.Nguyen, V.-L.Sautet, S.Wang, R.Janson, C.Smith, W.Krysa, G.Boullay, V.De Gouville, A.-C.Huet, S.Hartley, D.

(2004) J.Med.Chem. 47: 4494-4506

  • DOI: 10.1021/jm0400247

  • PubMed Abstract: 
  • Optimization of the screening hit 1 led to the identification of novel 1,5-naphthyridine aminothiazole and pyrazole derivatives, which are potent and selective inhibitors of the transforming growth factor-beta type I receptor, ALK5. Compounds 15 and ...

    Optimization of the screening hit 1 led to the identification of novel 1,5-naphthyridine aminothiazole and pyrazole derivatives, which are potent and selective inhibitors of the transforming growth factor-beta type I receptor, ALK5. Compounds 15 and 19, which inhibited ALK5 autophosphorylation with IC50 = 6 and 4 nM, respectively, showed potent activities in both binding and cellular assays and exhibited selectivity over p38 mitogen-activated protein kinase. The X-ray crystal structure of 19 in complex with human ALK5 is described, confirming the binding mode proposed from docking studies.


    Organizational Affiliation

    Department of Medicinal Chemistry, GlaxoSmithKline, 25-27 Avenue du Qu├ębec, 91951 Les Ulis, France. fjg23217@gsk.com




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
TGF-beta receptor type I
A
303Homo sapiensMutation(s): 0 
Gene Names: TGFBR1 (ALK5, SKR4)
EC: 2.7.11.30
Find proteins for P36897 (Homo sapiens)
Go to Gene View: TGFBR1
Go to UniProtKB:  P36897
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
460
Query on 460

Download SDF File 
Download CCD File 
A
2-[5-(6-METHYLPYRIDIN-2-YL)-2,3-DIHYDRO-1H-PYRAZOL-4-YL]-1,5-NAPHTHYRIDINE
NAPHTHYRIDINE INHIBITOR
C17 H15 N5
YRBHUKMLAGQYHS-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
460Ki: 23 nM BINDINGMOAD
460IC50: 23 nM PDBBIND
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.275 
  • R-Value Work: 0.223 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 42.069α = 90.00
b = 75.775β = 90.00
c = 89.589γ = 90.00
Software Package:
Software NamePurpose
CNXphasing
CNXrefinement
SCALEPACKdata scaling
HKL-2000data collection
HKL-2000data reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Revision History 

  • Version 1.0: 2004-08-31
    Type: Initial release
  • Version 1.1: 2008-04-26
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance