|The introduction to this article provides insufficient context for those unfamiliar with the subject.
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Geranylgeranylation is a post-transcriptional modification of proteins that involves the attachment of the isoprene geranylgeranyl diphosphate to the C-terminus at the cysteine residue. It is an intermediate step of the cholesterol biosynthesis pathway, which is used to modify the Rho GTPase family of signaling molecules.
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