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首页> 外文期刊>Applied Microbiology and Biotechnology >Enzymatic properties of beta-N-acetylglucosaminidases
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Enzymatic properties of beta-N-acetylglucosaminidases

机译：β-乙酰葡糖胺酶蛋白酶酶的酶促性能

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摘要

beta-N-Acetylglucosaminidases (GlcNAcases) hydrolyse N-acetylglucosamine-containing oligosaccharides and proteins. These enzymes produce N-acetylglucosamine (GlcNAc) and have a wide range of promising applications in the food, energy, and pharmaceutical industries, such as synergistic degradation of chitin with endo-chitinases and using GlcNAc to produce sialic acid, bioethanol, single-cell proteins, and pharmaceutical therapeutics. GlcNAcases also play an important role in the dynamic balance of cellular O-linked GlcNAc levels, catabolism of ganglioside storage in Tay-Sachs disease, and bacterial cell wall recycling and flagellar assembly. In view of these important biological functions and the wide range of industrial applications of GlcNAcases, this review aims to provide a better understanding of various advances for these enzymes. It focuses on enzymatic properties of GlcNAcases, including substrate specificity, catalytic activity, pH optimum, temperature optimum, thermostability, the effects of various metal ions and organic reagents, and transglycosylation.
机译：β-乙酰戊氰胺胺（GlcNac酶）水解N-乙酰葡糖胺的寡糖和蛋白质。这些酶产生N-乙酰葡糖胺（GLCNAC），具有在食品，能量和制药行业中具有广泛的有希望的应用，例如用肠蛋白酶和使用GLCNAc产生唾液酸，生物乙醇，单细胞的协同降解蛋白质和药物治疗剂。 Glcnacase也在Tay-Sachs疾病中的细胞O型Glcnac水平，神经节苷脂储存分解代谢的动态平衡中起重要作用，以及细菌细胞壁回收和鞭毛组件。鉴于这些重要的生物功能和Glcnacase的各种工业应用，这篇综述旨在更好地了解这些酶的各种进展。它侧重于胶凝酶的酶促性质，包括底物特异性，催化活性，pH最佳，温度最佳，热稳定性，各种金属离子和有机试剂的影响，以及转基质化。

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