D4668
葡聚糖 来源于青霉菌 属
lyophilized powder, 100-250 units/mg protein
别名:
1,6-α-D-葡聚糖 6-葡聚糖水解酶
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应用
来自青霉属的葡聚糖酶可用于修饰Alternan。来自青霉属的葡聚糖酶还用于一项研究中，该研究探索了Dex蛋白可能采用任何已知结构都不熟悉的折叠的可能性。
生化/生理作用
该产品为一种水解葡聚糖中α-(1,6)-α-葡糖苷键的内葡聚糖酶。葡聚糖是通过在糖生产过程中微生物污染物从蔗糖中合成的不良化合物。它们会增加流动的粘度，降低工业的回收率。葡聚糖酶已在糖厂用于水解葡聚糖，以提高糖生产的有效性。
外形
部分纯化的冻干粉
其他说明
在pH 6.0，37 ℃条件下以右旋糖酐为底物，一个单位可在每分钟内释放1.0 μmole的异麦芽糖（以麦芽糖进行测量）。
警示用语：
Danger
危险声明
预防措施声明
危险分类
Resp. Sens. 1
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
法规信息
常规特殊物品
此项目有
T Pons et al.
Proteins, 31(4), 345-354 (1998-06-17)
The DEX gene encodes an extracellular dextranase (EC 3.2.1.11); this enzyme hydrolyzes the alpha(1,6) glucosidic bond contained in dextran to release small isomaltosaccharides. Sequence analysis has revealed only one homologous sequence, CB-8 protein, from Arthrobacter sp., with 30% sequence identity.
Timothy D Leathers et al.
Biotechnology letters, 31(2), 289-293 (2008-10-22)
Alternan is a unique glucan with a backbone structure of alternating alpha-(1 --> 6) and alpha-(1 --> 3) linkages. Previously, we isolated strains of Penicillium sp. that modify native, high molecular weight alternan in a novel bioconversion process to a
Dextranase in sugar industry: A review
Efrain Rodriguez Jimenez
Sugar Tech, 11(2), 124-134 (2009)
Ndegwa Henry Maina et al.
Biomacromolecules, 12(2), 409-418 (2011-01-07)
Weissella confusa VTT E-90392 is an efficient producer of a dextran that is mainly composed of α-(1→6)-linked D-glucosyl units and very few α-(1→3) branch linkages. A mixture of the Chaetomium erraticum endodextranase and the Aspergillus niger α-glucosidase was used to
Keiji Tsusaki et al.
Carbohydrate research, 344(16), 2151-2156 (2009-09-11)
The bacterial strain PP710, isolated from soil and identified as Paenibacillus species, produced a low-digestibility alpha-glucan containing a large amylase-resistant portion. This alpha-glucan was obtained in high yields from maltodextrin (dextrose equivalent 3) by using the condensed culture supernatant of
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