Stereochemistry of catabolism of the RNA base uracil
作者:David Gani、Douglas W. Young
DOI:10.1039/p19850001355
日期:——
A mammalian enzyme system has been used to study the stereochemistry of the catabolism of the pyrimidine uracil (1) to the amino acid β-alanine (4). Use of [5-2H]- and [6-2H]-uracils and of 2H2O in the incubations yielded stereospecifically deuteriated samples of β-alanine. Assays, involving total synthesis of samples of β-alanine unambiguously labelled with deuterium in each of the four C–H bonds
哺乳动物酶系统已用于研究嘧啶尿嘧啶(1)分解为氨基酸β-丙氨酸(4)的立体化学。在培养中使用[5- 2 H]-和[6- 2 H]-尿嘧啶和2 H 2 O产生β-丙氨酸的立体特异性氘化样品。测定法,涉及β丙氨酸在四个C-H键的氘明确地标记的样本的总合成已经显示的是,在分解代谢过程中的第一步,尿嘧啶是通过二氢脱氢酶降低与整体抗加入氢气,在SI在C-6面和SI面在C-5。
Tilley, Kevin; Akhtar, Mahmoud; Gani, David, Journal of the Chemical Society. Perkin transactions I, 1994, # 21, p. 3079 - 3088