Expression, purification, and characterization of highly active endo-α-N-acetylgalactosaminidases expressed by silkworm-baculovirus expression system

Akihiro Morio, Jian Xu, Akitsu Masuda, Yurie Kinoshita, Masato Hino, Daisuke Morokuma, Hatsumi M. Goda, Nozomu Okino, Makoto Ito, Hiroaki Mon, Ryosuke Fujita, Takahiro Kusakabe, Jae Man Lee

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

The O-glycosidase, endo-α-N-acetylgalactosaminidase from Enterococcus faecalis (endoEF) catalyzes the cleavage of core 1 and core 3 type O-linked disaccharides between GalNAc and serine or threonine residues from glycoproteins. The endoEF has broad substrate specificity and thus is extensively utilized for the structural and functional analysis of the O-linked glycans. In this study, we expressed and purified the recombinant endoEF (rEndoEF) by using the silkworm-baculovirus expression vector system (Silkworm-BEVS) and confirmed the deglycosylation activity of rEndoEF targeting reporter glycoproteins, which was equivalent to the commercial O-glycosidase. Thus, our study provides important clues to produce highly active rEndoEF O-glycosidases employing silkworm-BEVS as an alternative.

本文言語英語
ページ(範囲)404-408
ページ数5
ジャーナルJournal of Asia-Pacific Entomology
22
2
DOI
出版ステータス出版済み - 6 2019

All Science Journal Classification (ASJC) codes

  • 昆虫科学

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