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Protein prenylation: molecular mechanisms and functional consequences
1Department of Molecular Cancer Biology, Duke University Medical Center, Durham, North Carolina 27710-3686, USA.
Annual Review of Biochemistry
|January 1, 1996
Summary
Prenylation is a crucial lipid modification that attaches farnesyl or geranylgeranyl groups to proteins, impacting their membrane interactions and protein-protein binding. This review focuses on the enzymes involved and the functional roles of prenylation in cellular processes.
Area of Science:
- Biochemistry
- Molecular Biology
- Cell Biology
Background:
- Prenylation is a post-translational modification involving the addition of isoprenoid lipids (farnesyl or geranylgeranyl) to proteins.
- This modification targets conserved cysteine residues, primarily at or near the C-terminus of proteins.
- Prenylated proteins encompass diverse families, including Ras GTPases, nuclear lamins, and viral proteins.
Purpose of the Study:
- To review the enzymology of prenyl protein processing.
- To elucidate the functional significance of prenylation in cellular events.
- To highlight the roles of prenylation in protein-protein interactions.
Main Methods:
- Literature review focusing on enzymology and functional significance.
- Analysis of known prenylated proteins and their roles.
- Synthesis of information from existing reviews.
Main Results:
- Prenylation enhances protein membrane association due to lipid hydrophobicity.
- Prenylation plays a significant role in mediating protein-protein interactions.
- The enzymes and pathways for prenylation are critical for cellular function.
Conclusions:
- Prenylation is a vital modification influencing protein localization and function.
- Understanding prenyl protein processing is key to deciphering cellular signaling and events.
- Further research into prenylation's role in protein interactions is warranted.