产品名称

英文名称：β-Galactosidase from Escherichia coli

同义词

乳糖酶

产品性质

CAS编号：9031-11-2

MDL号：MFCD00130623

PubChem编号：439353

酶学委员会编号：3.2.1.23

别名：乳糖酶

规格或纯度：≥50 units/mg dry weight

英文名称：β-Galactosidase from Escherichia coli

单位定义：One Unit hydrolyzes one micromole of o-nitrophenyl-β-D-galactopyranoside per minute at 25°C, pH 7.5

生化机理：β-galactosidase cleaves lactose into its monosaccharide components, glucose and galactose. It also catalyses the transglycosylation of glucose into allolactose, the inducer of β-galactosidase, in a feedback loop.

储存温度：2-8°C储存

运输条件：冰袋运输

产品介绍：无臭，微甜。分子量100000～850000。在水中呈混沌液(大部分溶解)，不溶于乙醇、丙酮。不同来源的酶最适pH值在4.0～7.5不等。最适作用温度37～50℃，低温保存。可由米曲霉(Aspergillus oryzae)培养液或制干酪时所得的乳清制得。作药物，适用于婴儿各种乳糖消化不良症及腹泻等。 Description Activity Code Size Galactosidase, BetaA partially purified, lyophilized powder.Store at 2-8°C. ≥50 units per mg dry weight G128642 5 ku Bulk Galactosidase, Beta, PurifiedChromatographically purified. A suspension in 1.6M ammonium sulfate.Store at 2-8°C. ≥300 units per mg protein G128643 1 ku 5 ku Bulk β-Galactosidase has a molecular weight of 540 kDa, and an optimum pH range of 6 to 8. Note Product code BGC is not suitable for immunoconjugation applications due to the presence of ammonium sulfate. Description Activity Code Size Galactosidase, BetaA partially purified, lyophilized powder.Store at 2-8°C. ≥50 units per mg dry weight G128642 5 ku Bulk Galactosidase, Beta, PurifiedChromatographically purified. A suspension in 1.6M ammonium sulfate.Store at 2-8°C. ≥300 units per mg protein G128643 1 ku 5 ku Bulk

Nacres：NA.54

Isomeric SMILES：C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O)O)O)O)O

WGK Germany：2

PubChem CID：439353

密度：1

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