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Merck

A9972

α-Amylase from human pancreas

greener alternative

lyophilized powder, ≥100 units/mg protein

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About This Item

CAS Number:
UNSPSC Code:
12352204
eCl@ss:
32160410
EC Number:
232-565-6
NACRES:
NA.54
MDL number:
EC Number:
Technical Service
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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.

sustainability

Greener Alternative Product

UniProt accession no.

greener alternative category

storage temp.

−20°C

Gene Information

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.

Physical form

Lyophilized from Tris buffer containing NaCl and CaCl2.

Preparation Note

Prepared by modified method of Levitzki et al.

Other Notes

One unit will liberate 1.0 mg of maltose from starch in 3 min at pH 6.9 at 20 °C.


pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Resp. Sens. 1

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



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