Characterization of protein-tyrosine phosphatases that dephosphorylate the high affinity IgE receptor.

Abstract

An early event that follows aggregation of the high affinity receptor for IgE (FcepsilonRI) is the phosphorylation of protein tyrosines, especially those on the beta- and gamma-subunits of the receptor. Disaggregation of the receptors leads to their rapid dephosphorylation, but even stably aggregated receptors undergo continual rounds of phosphorylation and… (More)

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