化苑讲坛
首页 >> 化苑讲坛 >> 正文

美国密歇根州立大学Kenneth M. Merz Jr.教授做客第386期化苑讲坛

作者:  发布:2018-12-13 09:49:44  点击量:

报告题目Role of Dynamics in Enzymatic Electrophilic Aromatic Substitution

Kenneth M. Merz Jr.(密歇根州立大学Joseph Zichis讲席教授,Journal of Chemical Information and Modeling主编)

报告时间:2018125周三上午10:00

报告地点:化学楼一号会议室

人:廖荣臻教授

报告人简介:

Prof. Kenneth M. Merz Jr. did his undergraduate studies at Washington College and received his Ph.D. degree at The University of Texas at Austin in 1985 (with Michael J. S. Dewar). He was a postdoctoral fellow at Cornell University (with Roald Hoffmann), and at University of California, San Francisco (with Peter Kollman). In 1989, he joined the Pennsylvania State University as an assistant professor, promoted to associated professor in 1996 and full professor in 1998. In 2013, he moved to Michigan State University as a director of Institute for Cyber Enabled Research and a Joseph Zichis Chair in Chemistry. He has published over 300 papers in international journals, including Chem. Rev., Acc. Chem. Res., Proc. Natl. Acad. Sci. U.S.A., Angew. Chem. Int. Ed., and J. Am. Chem. Soc. Since the start of 2014, he has been the Editor-in-Chief of the Journal of Chemical Information and Modeling.

报告简介:

FtmPT1 is a fungal indole prenyltransferase that affords Tryprostatin B from Brevianamide F and dimethyl allyl pyrophosphate; however, when a single residue in the active site is mutated (Gly115Thr) a novel five-member ring compound is obtained as the major product with Brevianamide F as the minor product (see Scheme 1). We will discuss detailed studies of the catalysis of the Gly115Thr mutant of FtmPT1 with a focus on the observed regioselectivity of this enzymatically catalyzed electrophilic aromatic substitution reaction. We employ 1-D and 2-D potential of mean force (PMF) simulations to explore the catalytic mechanism, along with MD simulations exploring the reaction dynamics of the prenyl transfer reaction. Importantly, we observe that the two reaction pathways (native and mutant) have comparable activation parameters and propose that the origin for the formation of the novel product in the mutant protein is predicated on reaction dynamics.

版权所有 云顶7610官网登录 - 云顶国际集团游戏app COPYRIGHT 2014-2021
通讯地址:湖北省武汉市洪山区珞喻路1037号华中科技大学西一楼208室
邮编:430074
联系电话:027-58868736
学院邮箱:hustchem@hust.edu.cn

  • 微信公众号