客户专员：刘小姐

产品名称：sigma|30089|α-淀粉酶 来源于猪* |α-amylase from porcine pancreas|上海创赛

产品描述：

general description

sigma life science is committed to bringing you greener alternative products, which adhere to one or more of the 12 principles of greener chemistry. this product has been enhanced for waste prevention when used in starch ethanol research. for more information see the article in biofiles.

molecular mass: 51-54 kda.

α-amylase isolated from porcine pancreas is a glycoprotein. it is a single polypeptide chain of ~475 residues containing two sh groups and four disulfide bridges and a tightly bound ca2+ necessary for stability. chloride ions are necessary for activity and stability. the ph range for activity is 5.5 to 8.0, with the ph optimum at 7.

other notes

view more information on enzymes for complex carbohydrate 

包装

500000, 1000000, 2500000, 5000000, 10000000 units in poly bottle

package size based on α-amylase activity

quality

contains lactose

unit definition

one unit will liberate 1.0 mg of maltose from starch in 3 min at ph 6.9 at 20 °c.

application

α-amylase is used to hydrolyze α bonds of α-linked polysaccharides, such as starch and glycogen. α-amylase, from sigma, has been used in various plant studies, such as metabolism studies in arabidopsis [2]. α-amylase, from porcine pancreas, has been used to remove starch during the study of starch metabolism and ripening in tomatoes [1].

biochem/physiol actions

α-amylase hydrolyzes the α-(1,4) glucan linkages in polysaccharides of three or more α-(1,4) linked d-glucose units. natural substrates such as starch and glycogen are broken down into glucose and maltose. α -amylase, from porcine pancreas, is a glycoprotein that consists of a single polypeptide chain of  475 residues containing 2 sh groups and four disulfide bridges and a tightly bound ca2+ necessary for stability. the ph optimum is at 7.

性质：

related categoriesα-amylase, 3.2.x.x glycosidases, 3.x.x.x hydrolases, amylases, α-glucosidase for starch hydrolysis (amylose and amylopectin) and glycogen, application index,

carbohydrate hydrolysis, carbohydrate hydrolysis & ptm analysis, chemical synthesis, complex carbohydrate analysis, enabling products, enzyme class index, enzymes for alternative energy research, enzymes for lignocellulosic ethanol research, greener alternative products, other enabling products, starch and pectin hydrolysis, 生化试剂, 酶、抑制剂和底物

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type  type vi-b

greener alternative product characteristics  waste prevention: greener alternative product characteristics

learn more about the principles of green chemistry.

greener alternative category       enabling

storage temp.                       2-8°c

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