Presence of endo-β-N-acetylglucosaminidase and protease activities in the commerical neuraminidase preparations isolated from clostridium perfringens

淡江大學機構典藏 > 理學院 > 化學學系暨研究所 > 期刊論文 > Item 987654321/61690

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题名:	Presence of endo-β-N-acetylglucosaminidase and protease activities in the commerical neuraminidase preparations isolated from clostridium perfringens
作者:	Chien, Su-fang;Yevich, Steven J.;Li, Su-chen;Li,Yu-Teh
贡献者:	淡江大學化學學系
日期:	1975-07-01
上传时间:	2011-10-15 23:29:11 (UTC+8)
出版者:	Philadelphia, PA: Elsevier Inc.
摘要:	Commercial neuraminidase preparations isolated from Clostridium perfringens were found to be contaminated with endoglycosidase and protease activities. The preparations release oligosaccharide fragment(s) with G1cNAc at the reducing end, from the intact ovalbumin. The enzymes also converted Asn-(GlcNAc)2(Man)5 isolated from ovalbumin into Asn-GlcNAc and an oligosaccharide with G1cNAc at the reducing end. Similar results were obtained when Taka-amylase A and its glycopeptide were used as substrates. These results identify the endoglycosidase activity as endo-β-N-acetylglucosaminidase. Furthermore, the commercial neuraminidase preparations contain a protease activity which hydrolyzes Azocoll, hemoglobin, casein, ovalbumin, human serum albumin, and α1-acid glycoprotein.
關聯:	Biochemical and biophysical research communications 65(2), pp.683-691
DOI:	10.1016/S0006-291X(75)80200-2
显示于类别:	[化學學系暨研究所] 期刊論文

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