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重组
expressed in mouse NSO cells
质量水平
形式
solution
比活
≥7,500 units/μg protein
分子量
83 kDa
杂质
≤1.0 EU/μg Endotoxin
运输
wet ice
储存温度
−20°C
一般描述
α-L-艾杜糖苷酸酶 (IDUA) 定位于人染色体4p16.3。成熟的IDUA蛋白被糖基化，并包含三糖磷酸异构酶（TIM）桶状结构域、β夹心式螺旋-环-螺旋区域和免疫球蛋白样结构域。α-L-艾杜糖苷酸酶被归类为糖苷水解酶（GH）家族39。
应用
α-L-艾杜糖醛酸酶可用于新生儿 a-L-艾杜糖醛酸酶缺乏症的白细胞测定。
生化/生理作用
α-L-艾杜糖苷酸酶突变与粘多糖贮积病I型（MPS I）有关。该酶的缺陷导致皮肤素和硫酸乙酰肝素的积累。MPS I的病理生理学伴随着颅骨变形、智力低下和疝气。
在溶酶体降解过程中，α-L-艾杜糖苷酸酶（Iduronidase ）起着至关重要的作用。它水解糖胺聚糖（GAG）（包括硫酸皮肤素和硫酸乙酰肝素） 中非还原末端的α L-艾杜糖醛酸残基。
催化硫酸皮肤素中未硫酸化的 L -艾杜糖苷键的水解
物理属性
在 SDS-PAGE 还原条件下，表达为 C-末端组氨酸标记蛋白（残基 1-653），其含钙核分子量为 71 kDa，在约 83 kDa 处迁移。
单位定义
一个单元将在-25°C pH 3.5 下每分钟从 4-甲基伞形酮-α-L-艾杜糖苷酸生成 1 皮摩尔的 4-甲基伞形酮。
外形
40 mM 醋酸钠、400 mM NaCl 和 20% (v/v) 甘油溶液 (pH 5.0)
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
常规特殊物品
Vassili Valayannopoulos et al.
Rheumatology (Oxford, England), 50 Suppl 5, v49-v59 (2012-01-11)
Better understanding of disease pathophysiology, improved supportive care and availability of disease-specific treatments for some of the mucopolysaccharidosis (MPS) disorders have greatly improved the outlook for patients with MPS disorders. Optimal management of these multisystemic disorders involves a multidisciplinary team
Human kidney alpha-L-iduronidase: purification and characterization.
L H Rome et al.
Archives of biochemistry and biophysics, 189(2), 344-353 (1978-08-01)
Xu He et al.
Plant molecular biology, 79(1-2), 157-169 (2012-03-24)
Processes associated with late events of N-glycosylation within the plant Golgi complex are a major limitation to the use of plant-based systems to produce recombinant pharmaceutical proteins for parenteral administration. Specifically, sugars added to the N-glycans of a recombinant protein
Francesca Gatto et al.
Stem cells and development, 21(9), 1466-1477 (2012-01-28)
Mucopolysaccharidosis type I (MPS IH; Hurler syndrome) is a rare genetic disorder that is caused by mutations in the α-L-iduronidase (IDUA) gene, resulting in the deficiency of IDUA enzyme activity and intra-cellular accumulation of glycosaminoglycans. A characteristic skeletal phenotype is
Mei Dai et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(7), 2680-2685 (2014-02-20)
Use of megakaryocytes/platelets for transgene expression may take advantage of their rapid turnover and protective storage in platelets and reduce the risk of activating oncogenes in hematopoietic stem and progenitor cells (HSCs). Here, we show that human megakaryocytic cells could
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