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γ-Cyclodextrin Increases Hydrolysis of Gangliosides by Sialidase from Arthrobacter ureafaciens：Hydrolysis of Gangliosides
γ-cyclodextrin α-cyclodextrin β-cyclodextrin Hydrolysis of Gangliosides
2009/9/4
Sialidase is a ubiquitous enzyme that catalyzes the hydrolytic removal of terminal sialic acid residues from oligosaccharides in glycolipids and glycoproteins. Ganglioside GM1 has been usually found t...
摘要 神经节苷脂（Ｇａｎｇｌｉｏｓｉｄｅｓ）是红细胞膜Ｃａ~（２＋）－Ｍｇ~（２＋）ＡＴＰａｓｅ的一种激活剂，这种激活作用也是依赖于Ｃａ~（２＋）存在。在２００μｍｏｌ／ＬＣａ~（２＋）存在的反应体系中，１００μｇ／ｍＬＧａｎｇｌｉｏｓｉｄｅｓ对Ｃａ~（２＋）－Ｍｇ~（２＋）ＡＴＰａｓｅ的激活作用最大，为基本酶活性的１５０％以上。实验还发现ＣａＭ拮抗剂三氟拉嗪（ＴＦＰ）、粉防已碱（Ｔｅｔ）等也同样...