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Geranylgeranyl pyrophosphate, a key metabolite in protein geranylgeranylation, serves as the universal precursor for diterpenoids, such as Paclitaxel. Its role in cancer research stems from this critical function.

Geranylgeranyl pyrophosphate is an intermediate in the HMG-CoA reductase pathway derived directly from farnesyl pyrophosphate and used in the biosynthesis of terpenes and terpenoids.[1] It is also serves as a substrate in the prenylation of a variety of critical intracellular proteins including small GTPases.[2] This post-translational modification is necessary for correct localization of proteins to intracellular membranes for proper functionality and has become a focus of anticancer drug discovery.[3][4]

Geranylgeranyl pyrophosphate tetrabutylammonium(1：2) is one of the endogenous cholesterol and intermediates produced by the mevalerate pathway. Geranylgeranyl pyrophosphate tetrabutylammonium(1：2) is the common precursor of diterpenoids, for example, Paclitaxel. It can be used for cancer research.