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一种产生具有真核 N-糖基化的均一糖蛋白的联合方法。

A combined method for producing homogeneous glycoproteins with eukaryotic N-glycosylation.

机构信息

Institute of Microbiology, Department of Biology, Eidgenössische Technische Hochschule (ETH) Zurich, Zurich, Switzerland.

出版信息

Nat Chem Biol. 2010 Apr;6(4):264-6. doi: 10.1038/nchembio.314. Epub 2010 Feb 28.

DOI:10.1038/nchembio.314
PMID:20190762
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2842479/
Abstract

We describe a new method for producing homogeneous eukaryotic N-glycoproteins. The method involves the engineering and functional transfer of the Campylobacter jejuni glycosylation machinery in Escherichia coli to express glycosylated proteins with the key GlcNAc-Asn linkage. The bacterial glycans were then trimmed and remodeled in vitro by enzymatic transglycosylation to fulfill a eukaryotic N-glycosylation. It provides a potentially general platform for producing eukaryotic N-glycoproteins.

摘要

我们描述了一种生产均一的真核 N-糖蛋白的新方法。该方法涉及工程改造和功能性转移空肠弯曲菌糖基化机制在大肠杆菌中表达具有关键 GlcNAc-Asn 键的糖基化蛋白。然后通过酶转糖基作用在体外修剪和重塑细菌聚糖,以实现真核 N-糖基化。它为生产真核 N-糖蛋白提供了一个潜在的通用平台。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3507/2842479/be22ef637c35/nihms167828f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3507/2842479/d15f135edce2/nihms167828f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3507/2842479/be22ef637c35/nihms167828f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3507/2842479/d15f135edce2/nihms167828f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3507/2842479/be22ef637c35/nihms167828f2.jpg

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