4BB4

ephB4 kinase domain inhibitor complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.236 
  • R-Value Work: 0.207 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Discovery and Optimization of a Novel Series of Potent Mutant B-Raf V600E Selective Kinase Inhibitors.

Vasbinder, M.M.Aquila, B.Augustin, M.Chen, H.Cheung, T.Cook, D.Drew, L.Fauber, B.P.Glossop, S.Grondine, M.Hennessy, E.J.Johannes, J.Lee, S.Lyne, P.D.Mortl, M.Omer, C.Palakurthi, S.Pontz, T.Read, J.Sha, L.Shen, M.Steinbacher, S.Wang, H.Wu, A.Ye, M.

(2013) J.Med.Chem. 56: 1996

  • DOI: 10.1021/jm301658d
  • Primary Citation of Related Structures:  4H58

  • PubMed Abstract: 
  • B-Raf represents an attractive target for anticancer therapy and the development of small molecule B-Raf inhibitors has delivered new therapies for metastatic melanoma patients. We have discovered a novel class of small molecules that inhibit mutant ...

    B-Raf represents an attractive target for anticancer therapy and the development of small molecule B-Raf inhibitors has delivered new therapies for metastatic melanoma patients. We have discovered a novel class of small molecules that inhibit mutant B-Raf(V600E) kinase activity both in vitro and in vivo. Investigations into the structure-activity relationships of the series are presented along with efforts to improve upon the cellular potency, solubility, and pharmacokinetic profile. Compounds selectively inhibited B-Raf(V600E) in vitro and showed preferential antiproliferative activity in mutant B-Raf(V600E) cell lines and exhibited selectivity in a kinase panel against other kinases. Examples from this series inhibit growth of a B-Raf(V600E) A375 xenograft in vivo at a well-tolerated dose. In addition, aminoquinazolines described herein were shown to display pERK elevation in nonmutant B-Raf cell lines in vitro.


    Organizational Affiliation

    Oncology iMED, AstraZeneca R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States. melissa.vasbinder@astrazeneca.com




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
EPHRIN TYPE-B RECEPTOR 4
A
302Homo sapiensGene Names: EPHB4 (HTK, MYK1, TYRO11)
EC: 2.7.10.1
Find proteins for P54760 (Homo sapiens)
Go to Gene View: EPHB4
Go to UniProtKB:  P54760
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
MG
Query on MG

Download SDF File 
Download CCD File 
A
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
32W
Query on 32W

Download SDF File 
Download CCD File 
A
N-(2-methoxyethyl)-4-[(6-pyridin-4-ylquinazolin-2-yl)amino]benzamide
C23 H21 N5 O2
NXVFABZXYFFUBF-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
32WIC50: 190 nM PDBBIND
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.236 
  • R-Value Work: 0.207 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 46.421α = 90.00
b = 53.329β = 111.50
c = 61.209γ = 90.00
Software Package:
Software NamePurpose
BUSTER-TNTrefinement
d*TREKdata reduction
d*TREKdata scaling
AMoREphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2013-02-27
    Type: Initial release
  • Version 1.1: 2013-04-10
    Type: Database references, Derived calculations