作者:Katherine Woods、Chris J. Hamilton、Robert A. Field
DOI:10.1016/j.carres.2004.07.004
日期:2004.9
tetrasaccharide, O-beta-d-glucopyranosyl-(1-->2)-O-[beta-d-xylopyranosyl-(1-->3)]-O-beta-d-glucopyranosyl-(1-->4)-d-galactose (lycotetraose) is a key constituent of many biologically interesting natural products. Described herein is a convenient enzymatic preparation of lycotetraose from the readily available Solanum glycoalkaloid alpha-tomatine. The preparation makes use of the recombinant endo-glycosidase
支链四糖,O-β-d-吡喃葡萄糖基-(1-> 2)-O- [β-d-吡喃吡喃糖基-(1-> 3)]-O-β-d-吡喃吡喃糖基-(1-- > 4)-d-半乳糖(lycotetraose)是许多生物学上有趣的天然产物的关键组成部分。本文描述了从容易获得的茄属糖生物碱α-番茄碱方便地酶促制备四糖的酶。该制剂利用了来自植物病原体镰孢镰刀菌f的重组内切糖苷酶,番茄素酶。sp。lycopersici。