粘蛋白
聚糖
化学
酶
唾液酸
生物化学
色谱法
单糖
唾液酸酶
基质(水族馆)
糖蛋白
生物
神经氨酸酶
生态学
作者
Toshihiko Katoh,Hisashi Ashida
出处
期刊:Methods in molecular biology
日期:2024-01-01
卷期号:: 337-344
标识
DOI:10.1007/978-1-0716-3670-1_28
摘要
Bacterial sialidase and sulfoglycosidase may act on the acidic modifications of mucin O-glycans, producing sialic acid and 6-sulfated N-acetylglucosamine, respectively. Assays for these enzymes, using mucin as a substrate, are enabled by the detection and/or quantification of the free monosaccharides that are released by these enzymes. This chapter describes enzyme reactions with mucin, detection by thin-layer chromatography of sialic acid, and quantification of 6-sulfated N-acetylglucosamine by liquid chromatography-tandem mass spectrometry.
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