Journal
EUROPEAN JOURNAL OF BIOCHEMISTRY
Volume 269, Issue 13, Pages 3103-3112Publisher
BLACKWELL PUBLISHING LTD
DOI: 10.1046/j.1432-1033.2002.03021.x
Keywords
protein dynamics; enzyme catalysis; tunneling; promoting vibration; promoting mode
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This review describes studies of particular enzymatically catalyzed reactions to investigate the possibility that catalysis is mediated by protein dynamics. That is, evolution has crafted the protein backbone of the enzyme to direct vibrations in such a fashion to speed reaction. The review presents the theoretical approach we have used to investigate this problem, but it is designed for the nonspecialist. The results show that in alcohol dehydrogenase, dynamic protein motion is in fact strongly coupled to chemical reaction in such a way as to promote catalysis. This result is in concert with both experimental data and interpretations for this and other enzyme systems studied in the laboratories of the two other investigators who have published reviews in this issue.
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