Combinatorial control of the specificity of protein tyrosine phosphatases - PubMed (original) (raw)

Review

Combinatorial control of the specificity of protein tyrosine phosphatases

N K Tonks et al. Curr Opin Cell Biol. 2001 Apr.

Abstract

Protein tyrosine phosphatases (PTPs), the enzymes that dephosphorylate tyrosyl phosphoproteins, were initially believed to be few in number and serve a 'housekeeping' role in signal transduction. Recent work indicates that this is totally incorrect. Instead, PTPs comprise a large superfamily whose members play critical roles in a wide variety of cellular processes. Moreover, PTPs exhibit exquisite substrate specificity in vivo. Recent evidence has led us to propose that members of the PTP family achieve selectivity through different combinations of specific targeting strategies and intrinsic catalytic domain specificity.

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Combinatorial control of the specificity of protein tyrosine phosphatases - PubMed (original) (raw)