Kinetics and mechanism of protein tyrosine phosphatase 1B inactivation by acrolein.

Abstract

Human cells are exposed to the electrophilic alpha,beta-unsaturated aldehyde acrolein from a variety of sources. The reaction of acrolein with functionally critical protein thiol residues can yield important biological consequences. Protein tyrosine phosphatases (PTPs) are an important class of cysteine-dependent enzymes whose reactivity with acrolein… (More)

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