Title : Unliganded epidermal growth factor receptor dimerization induced by direct interaction of quinazolines with the ATP binding site.

Pub. Date : 1997 Sep 12

PMID : 9287333






7 Functional Relationships(s)
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1 Unliganded epidermal growth factor receptor dimerization induced by direct interaction of quinazolines with the ATP binding site. Quinazolines epidermal growth factor receptor Homo sapiens
2 Submicromolar concentrations of AG-1478 and AG-1517, quinazolines specific for inhibition of the EGFR kinase, induced reversible receptor dimerization in vitro and in intact A431 cells. Quinazolines epidermal growth factor receptor Homo sapiens
3 Quinazoline-induced EGFR dimerization was abrogated in vitro by ATP and the ATP analog adenyl-5"-yl imidodiphosphate. Quinazolines epidermal growth factor receptor Homo sapiens
4 These data suggest that EGFR dimerization can be induced by the interaction of quinazolines at the ATP site in the absence of receptor ligand binding. Quinazolines epidermal growth factor receptor Homo sapiens
5 In SKBR-3 cells, the quinazolines induced the formation of inactive EGFR/ErbB-2 heterodimers, potentially sequestering ErbB-2 from interacting with other coreceptors of the ErbB family. Quinazolines epidermal growth factor receptor Homo sapiens
6 In SKBR-3 cells, the quinazolines induced the formation of inactive EGFR/ErbB-2 heterodimers, potentially sequestering ErbB-2 from interacting with other coreceptors of the ErbB family. Quinazolines epidermal growth factor receptor Homo sapiens
7 Structural studies of the quinazoline interaction with the EGFR tyrosine kinase domain should allow for an analysis of receptor-specific chemical features required for binding to the ATP site and disruption of signaling, a strategy that can be perhaps applied to other tumor cell receptor systems. Quinazolines epidermal growth factor receptor Homo sapiens