Synthesis and evaluation of 3- and 7-substituted geranylgeranyl pyrophosphate analogs

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Abstract

Protein prenyl transferases have been a focus of anti-cancer drug discovery in recent years due to their roles in post-translational modification of small GTP binding proteins. Attention is now turning to the development of GGTase I inhibitors. Here, we present the synthesis and biological evaluation of four GGPP analogs versus mammalian GGTase I and the discovery that 7-allyl GGPP is a surprisingly efficient GGTase I substrate.

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Acknowledgments

This work was supported by NIH Grants CA78819 and P30CA21368 (Purdue Cancer Center). E.L.R. was supported by a US Army Breast Cancer Summer Undergraduate Research Program. We thank Professor Carol Fierke (Department of Chemistry, University of Michigan) for supplying us with GGTase I.

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