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生物通
11 天
回顾性评估 GM1 神经节苷脂贮积症病情严重程度与变化:罕见病研究 ...
它是一种隐性溶酶体贮积症,由 GLB1 基因双等位基因突变导致 β - 半乳糖苷酶(β-galactosidase)活性缺失或降低 ... 患者 A 无症状,RCGI-S 评分为 1;患者 B 有轻微症状,评分为 2;患者 C 存在多种轻度问题,评分为 3;患者 D 出现发育倒退等情况,评分为 4;患者 ...
21food.cn
6 天
α-半乳糖苷酶厂家
简介 α-半乳糖苷酶(α-galactosidase,EC 3.2.1.22),又称蜜二糖酶,是一种催化α-半乳糖苷键水解的外切糖苷酶。它能够专一性地催化水解α-1,6糖苷键,将α-半乳糖苷分解得到低聚寡糖和单糖。 性状 α-半乳糖苷酶通常呈现为白色至略淡黄色的粉末或结晶,无臭、无 ...
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