Recombinant E.coli β-galactosidase(M443L，C500S),BR

别名： Beta-galactosidase;Beta-gal;Lactase;lacZ
英文名称： "Recombinant E.coli Beta-galactosidase(M443L
中文名称： Recombinant E.coli Beta-galactosidase(M443L，C500S)
规格： 10ug ; 50ug ; 500ug ; 1mg
外观(性状)： Supplied as a 0.2 μm filtered solution of 20mM Tris,150mM NaCl,pH8.0.
纯度： ≥95% as determined by reducing SDS-PAGE.
储存条件： Store at ≤-70°C, stable for 6 months after receipt. Store at ≤-70°C, stable for 3 months under sterile conditions after opening. Please minimize freeze-thaw cycles.
运输条件： 干冰运输

背景说明： β-galactosidase is an exoglycosidase which hydrolyzes the β-glycosidic bond formed between a galactose and its organic moiety.It may also cleave fucosides and arabinosides but with much lower efficiency.β-galactosides include carbohydrates containing galactose where the glycosidic bond lies above the galactose molecule.Substrates of different β-galactosidases include ganglioside GM1，lactosylceramides，lactose，and various glycoproteins.It is an essential enzyme in the human body.Deficiencies in the protein can result in galactosialidosis or Morquio B syndrome.In E.coli，the gene of β-galactosidase，the lacZ gene，is present as part of the inducible system lac operon which is activated in the presence of lactose when glucose level is low.β-galactosidase is important for organisms as it is a key provider in the production of energy and a source of carbons through the break down of lactose to galactose and glucose.
来源： E.coli

内毒素： Less than 0.1 ng/ug(1 EU/ug)as determined by LAL test.

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