2qlq: Difference between revisions

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[[Image:2qlq.jpg|left|200px]]
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{{STRUCTURE_2qlq|  PDB=2qlq  |  SCENE=  }}  
{{STRUCTURE_2qlq|  PDB=2qlq  |  SCENE=  }}  


'''Crystal structure of src kinase with covalent inhibitor XXX'''
===Crystal structure of src kinase with covalent inhibitor XXX===




==Overview==
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Resistance to kinase- targeted cancer drugs has recently been linked to a single point mutation in the ATP binding site of the kinase. In EGFR, the crucial Thr790 gatekeeper residue is mutated to a Met and prevents reversible ATP competitive inhibitors from binding. Irreversible 4-(phenylamino)quinazolines have been shown to overcome this drug resistance and are currently in clinical trials. In order to obtain a detailed structural understanding of how irreversible inhibitors overcome drug resistance, we used Src kinase as a model system for drug resistant EGFR-T790M. We report the first crystal structure of a drug resistant kinase in complex with an irreversible inhibitor. This 4-(phenylamino)quinazoline inhibits wild type and drug resistant EGFR in vitro at low nM concentrations. The co-crystal structure of drug resistant cSrc-T338M kinase domain provides the structural basis of this activity.
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{{ABSTRACT_PUBMED_18316192}}


==About this Structure==
==About this Structure==
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[[Category: Transferase]]
[[Category: Transferase]]
[[Category: Tyrosine-protein kinase]]
[[Category: Tyrosine-protein kinase]]
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Revision as of 21:27, 2 July 2008

File:2qlq.png

Template:STRUCTURE 2qlq

Crystal structure of src kinase with covalent inhibitor XXXCrystal structure of src kinase with covalent inhibitor XXX

Template:ABSTRACT PUBMED 18316192

About this StructureAbout this Structure

2QLQ is a Single protein structure of sequence from Gallus gallus. Full crystallographic information is available from OCA.

ReferenceReference

Structural insights into how irreversible inhibitors can overcome drug resistance in EGFR., Michalczyk A, Kluter S, Rode HB, Simard JR, Grutter C, Rabiller M, Rauh D, Bioorg Med Chem. 2008 Feb 20;. PMID:18316192

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