Towards the development of novel antibiotics: Synthesis and evaluation of a mechanism-based inhibitor of Kdo8P synthase

被引:56
作者
Du, SC
Faiger, H
Belakhov, V
Baasov, T [1 ]
机构
[1] Technion Israel Inst Technol, Dept Chem, IL-32000 Haifa, Israel
[2] Technion Israel Inst Technol, Inst Catalysis Sci & Technol, IL-32000 Haifa, Israel
关键词
Kdo8P synthase; lipopolysaccharide; mechanism-based inhibitors;
D O I
10.1016/S0968-0896(99)00233-3
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The design and two synthetic pathways to aminophosphonate 4 which mimics the ionic and steric properties of putative oxocarbenium intermediate 3 in the Kdo8P synthase-catalyzed reaction are reported. It was found that 4 is a slow-binding, most potent inhibitor of the enzyme yet tested, with a K-i value of 0.4 mu M. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:2671 / 2682
页数:12
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