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Merck

A4551

α-Amylase from Bacillus licheniformis

greener alternative

lyophilized powder, 500-1,500 units/mg protein, 93-100% (SDS-PAGE)

Synonym(s):

1,4-α-D-Glucan-glucanohydrolase

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About This Item

CAS Number:
9000-85-5
UNSPSC Code:
12352204
eCl@ss:
32160410
EC Number:
232-560-9
NACRES:
NA.54
MDL number:
MFCD00081319
EC Number:
3.2.1.1 (BRENDA, IUBMB)
Specific activity:
500-1,500 units/mg protein
Assay:
93-100% (SDS-PAGE)
Biological source:
Bacillus licheniformis

Key Documents

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Product Name

α-Amylase from Bacillus licheniformis, lyophilized powder, 500-1,500 units/mg protein, 93-100% (SDS-PAGE)

biological source

Bacillus licheniformis

assay

93-100% (SDS-PAGE)

form

lyophilized powder

specific activity

500-1,500 units/mg protein

mol wt

58-62 kDa

composition

Protein, 60-80% BCA

greener alternative product characteristics

Waste Prevention
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

greener alternative category

, Enabling

storage temp.

2-8°C

Quality Level

200

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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.

Other Notes

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

Physical form

Lyophilized powder containing potassium phosphate

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H334

Hazard Classifications

Resp. Sens. 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

A4551-100MG: + A4551-1G: + A4551-VAR: + A4551-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
0000520752
0000520751
0000520751
0000520752
0000503874

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Uri Lesmes et al.
Journal of agricultural and food chemistry, 56(13), 5415-5421 (2008-06-12)
This study probed the possible effects of type III resistant starch (RS) crystalline polymorphism on RS fermentability by human gut microbiota and the short chain fatty acids production in vitro. Human fecal pH-controlled batch cultures showed RS induces an ecological
Barman, T.E.
Enzyme Handbook, 2, 560-560 (1969)
Olivier Etienne et al.
Biomacromolecules, 6(2), 726-733 (2005-03-15)
Biomedical devices and modified biomaterial surfaces constitute an expanding research domain in the dental field. However, such oral applications have to face a very particular environment containing specific physiological conditions and specific enzymes. To evaluate their suitability in the development
E G Manzanilla et al.
Journal of animal science, 84(10), 2743-2751 (2006-09-15)
We evaluated the effects of 3 additives, sodium butyrate (AC), avilamycin (AB), and a combination of plant extracts (XT), on the productive performance and the intestinal environment of the early-weaned pig. The XT was a standardized mixture with 5% (wt/wt)
Douglas W Lowman et al.
Cell surface (Amsterdam, Netherlands), 7, 100061-100061 (2021-11-13)
The fungal cell wall serves as the interface between the organism and its environment. Complex carbohydrates are a major component of the Candida albicans cell wall, i.e., glucan, mannan and chitin. β-Glucan is a pathogen associated molecular pattern (PAMP) composed
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Protocols

Enzymatic Assay of α-Amylase (EC 3.2.1.1)

Follow our procedure for the determination of alpha-Amylase activity. This enzymatic assay of a-Amylase guides you through the entire process and necessary calculations.

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