alexa Protein tyrosine phosphatases: structure and function, substrate specificity, and inhibitor development.
Medicine

Medicine

Advanced Techniques in Biology & Medicine

Author(s): Zhang ZY

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Abstract Protein tyrosine phosphatases (PTPs) are signaling enzymes that control a diverse array of cellular processes. Malfunction of PTP activity is associated with a number of human disorders. Recent genetic and biochemical studies indicate that PTPs represent a novel platform for drug discovery. Detailed knowledge of PTP substrate specificity and the wealth of structural data on PTPs provide a solid foundation for rational PTP inhibitor design. This review summarizes a correlation of PTP structure and function from mutagenesis experiments. The molecular basis for PTP1B and MKP3 substrate recognition is discussed. A powerful strategy is presented for creating specific and high-affinity bidentate PTP inhibitors that simultaneously bind both the active site and a unique adjacent site. Finally, recent advances in the development of potent and selective inhibitors for PTP1B and Cdc25 are described. This article was published in Annu Rev Pharmacol Toxicol and referenced in Advanced Techniques in Biology & Medicine

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