A9972
α-Amylase from human pancreas
lyophilized powder, ≥100 units/mg protein
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About This Item
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biological source
human pancreas
form
lyophilized powder
specific activity
≥100 units/mg protein
purified by
2× crystallization
greener alternative product characteristics
Waste Prevention
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
greener alternative category
, Enabling
storage temp.
−20°C
Gene Information
human ... AMY1A(279) , AMY2B(280)
General description
We are 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 energy efficiency and waste prevention when used in starch ethanol research. For more information see the article in biofiles.
Biochem/physiol Actions
α-Amylase is composed of 496 amino acids in a single polypeptide chain. It 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.
Unit Definition
One unit will liberate 1.0 mg of maltose from starch in 3 min at pH 6.9 at 20 °C.
Physical form
Lyophilized from Tris buffer containing NaCl and CaCl2.
Preparation Note
Prepared by modified method of Levitzki et al.
Other Notes
View more information on enzymes for complex carbohydrate analysis at www.sigma-aldrich.com/enzymeexplorer
Certificates of Analysis (COA)
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