Cephalosporin C biosynthesis : On the mechanism of hydroxylation of deacetoxycephalosporin C to deacetylcephalosporin C.
作者:Jack E. Baldwin、Robert M. Adlington、Robin T. Aplin、Nicholas P. Crouch、Roger Wilkinson
DOI:10.1016/s0040-4020(01)89876-8
日期:1992.1
Incubation of an equal mixture of deacetoxycephalosporin C and [3′-2H3]deacetoxycephalosporin C with partially purified deacetoxycephalosporin C / deacetylcephalosporin C synthase from Cephalosporium acremonium CO728 in a mixed competitive kinetic isotope effect experiment resulted in enzymic discrimination between labelled and unlabelled substrates.
将脱乙酰氧基头孢菌素C和[3'- 2 H 3 ]脱乙酰氧基头孢菌素C的等量混合物与来自头孢霉顶孢菌CO728的部分纯化的脱乙酰氧基头孢菌素C /脱乙酰头孢菌素C合酶一起孵育,在竞争性动力学同位素效应实验中导致标记的底物和未标记的底物之间存在酶促区别。