Combination of Glycosyltransferases and a Glycosynthase in Sequential and One-Pot Reactions for the Synthesis of Type 1 and Type 2<i>N</i>-Acetyllactosamine Oligomers
作者:Manja Henze、Simon Schmidtke、Natalie Hoffmann、Hanna Steffens、Jörg Pietruszka、Lothar Elling
DOI:10.1002/cctc.201500645
日期:2015.10
Bacillus circulans. Combination of His6BgaC/Glu233Gly and β1,3‐N‐acetylglucosaminyltransferase in sequential or one‐pot mode results in LacNAc type 1 oligomers with up to four LacNAc units. Moreover, sequential use of all three enzymes gives access to a variety of neo‐LacNAc oligomers. We present oligomers composed of alternating type 1 and 2 units and type 1‐terminated LacNAc type 2 oligomers. These glycan
N-乙酰基乳糖胺(LacNAc)1型和2型以及poly-LacNAc的二糖单元参与许多生物识别事件。我们通过两种重组糖基转移酶β1,3的组合报告了1型(3Galβ1-3GlcNAcβ1-; Gal = d-半乳糖,GlcNAc = N-乙酰基d-葡糖胺)和2型(3Galβ1-4GlcNAcβ1-4)的LacNAc寡聚体的模块化设计。- ñ从-acetylglucosaminyltransferase幽门螺杆菌和人类β1,4半乳糖转移酶1,用galactosynthase他6 BgaC / Glu233Gly从环状芽孢杆菌。他的6 BgaC / Glu233Gly和β1,3- N的组合顺序或单罐模式下的‐乙酰氨基葡萄糖氨基转移酶可产生最多四个LacNAc单元的LacNAc 1型寡聚体。此外,顺序使用所有这三种酶可以访问各种neo-LacNAc低聚物。我们介绍了由1型和2型交替单元和1型终止的LacNAc