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Structure, mechanism and function of prenyltransferases.
Po-Huang Liang1, Tzu-Ping Ko, Andrew H-J Wang
1Institute of Biological Chemistry, Academia Sinica, Taipei, Taiwan. phliang@gate.sinica.edu.tw
European Journal of Biochemistry
|July 24, 2002
Summary
This review explores prenyltransferases, enzymes vital for biological functions. We examine isoprenyl pyrophosphate synthases, protein prenyltransferases, and cyclases, detailing their mechanisms and structures.
Area of Science:
- Biochemistry
- Enzymology
- Molecular Biology
Background:
- Prenyltransferases are crucial enzymes involved in synthesizing diverse natural products.
- These enzymes play significant roles in various biological processes.
- Understanding prenyltransferase mechanisms is key to unlocking their biotechnological potential.
Purpose of the Study:
- To review recent advancements in the study of three main classes of prenyltransferases.
- To elucidate the catalytic mechanisms and structure-function relationships of prenyltransferases.
- To summarize the reaction mechanisms and kinetics of specific prenyltransferase enzymes.
Main Methods:
- Analysis of 3D structures of prenyltransferases.
- Biochemical studies of enzyme activity and kinetics.
- Review of existing literature on prenyltransferase mechanisms and functions.
Main Results:
- Detailed discussion of isoprenyl pyrophosphate synthases (IPPSs), protein prenyltransferases, and cyclizing prenyltransferases.
- Elucidation of reaction mechanisms controlling product chain length in IPPSs.
- Insights into the mechanisms of Ras farnesyltransferase, Rab geranylgeranyltransferase, and enzymes in cyclic terpene biosynthesis.
Conclusions:
- Prenyltransferases exhibit diverse mechanisms and structures related to their biological functions.
- Structural and biochemical studies provide a deep understanding of prenyltransferase catalysis.
- This review consolidates current knowledge, highlighting areas for future research in prenyltransferase enzymology.