Article
BQ-123 identifies heterogeneity and allosteric interactions at the rat heart endothelin receptor.
Biochemical and biophysical research communications - 15 Oct 1993
Sokolovsky M
Abstract excerpt
Studies of the binding of endothelin-1 (ET-1) to its receptors in the rat heart, as well as kinetic measurements in the presence and absence of the specific antagonist BQ-123, appear to exclude a scheme of simple competitive inhibition and an interaction of ET-1 with a homogeneous population of receptors. Studies with BQ-123 established the presence of three subtypes of endothelin receptors and an allosteric...
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