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A8781

β-Amylase from sweet potato

greener alternative

Synonym(s):

1,4-α-D-Glucan maltohydrolase

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About This Item

CAS Number:
9000-91-3
UNSPSC Code:
41106514
NACRES:
NA.56
EC Number:
232-566-1
MDL number:
MFCD00081391
EC Number:
3.2.1.2 (BRENDA, IUBMB)

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form

powder

mol wt

~200,000

packaging

vial of 15 mg

greener alternative product score

old score: 57
new score: 1
Find out more about DOZN™ Scoring

greener alternative product characteristics

Waste Prevention
Safer Solvents and Auxiliaries
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

greener alternative category

Re-engineered,

storage temp.

−20°C

Quality Level

100

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This Item
A9857A7005A6237
β-Amylase from sweet potato

Sigma-Aldrich

A8781

β-Amylase from sweet potato

α-Amylase from Aspergillus oryzae ≥150 units/mg protein (biuret)

Sigma-Aldrich

A9857

α-Amylase from Aspergillus oryzae

β-Amylase from sweet potato Type I-B, ammonium sulfate suspension, ≥750 units/mg protein (E1%/280)

Sigma-Aldrich

A7005

β-Amylase from sweet potato

Apyrase from potato recombinant, expressed in Pichia pastoris, ATPase ≥1000 units/mg protein, lyophilized powder

Sigma-Aldrich

A6237

Apyrase from potato

form

powder

form

powder

form

ammonium sulfate suspension

form

lyophilized powder

mol wt

~200,000

mol wt

-

mol wt

-

mol wt

-

storage temp.

−20°C

storage temp.

−20°C

storage temp.

2-8°C

storage temp.

−20°C

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

packaging

vial of 15 mg

packaging

-

packaging

-

packaging

-

greener alternative product score

old score: 57
new score: 1
Find out more about DOZN™ Scoring

greener alternative product score

-

greener alternative product score

old score: 57
new score: 1
Find out more about DOZN™ Scoring

greener alternative product score

-

Application

β-Amylase from sweet potato has been used:
  • as a molecular weight marker in blue native polyacrylamide gel electrophoresis (PAGE)[1]
  • as a standard for calibration curve preparation in size exclusion chromatography[2]
  • as a model protein for small-angle X-ray analysis (SAXs)[3]

Biochem/physiol Actions

β-Amylase acts on the polysaccharide α(1,4) glycosidic linkages and releases maltose present in the non-reducing ends.[4] Due to its stability, β-Amylase from sweet potato is used in the immobilized enzyme preparation in combination with agarose beads.[5]

General description

β-Amylase from sweet potato is a tetrameric enzyme with each monomer comprising (α/β) core domain and a C-terminal loop region.[6] It belongs to the glycoside hydrolase family GH14.[4]
We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives . This product belongs to category of Re-engineered products, showing key improvements in Green Chemistry Principles “Waste Prevention”, “Safer Solvents and Auxiliaries” and “Design for Energy Efficiency”. Click here to view its DOZN scorecard.

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H334

Hazard Classifications

Resp. Sens. 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000290697
0000290697
SLCQ9616
SLCQ9616
SLCP3236

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Integration of affinity precipitation with partitioning methods for bioseparation of chitin binding lectins.
Teotia, S. et al.
Food and Bioproducts Processing, 84, 37-43 (2006)
S Teotia et al.
Enzyme and microbial technology, 28(9-10), 792-795 (2001-06-09)
beta-amylases are used in production of maltose syrup. It is shown that sweet potato beta-amylase can be purified by affinity precipitation with alginate with 80% activity yield and 44 fold purification. SDS-PAGE of the purified protein showed a single band
Optimization of the immobilization of sweet potato amylase using glutaraldehyde-agarose support. Characterization of the immobilized enzyme
Tavano OL, et al.
Process. Biochem., 48(7), 1054-1058 (2013)
Liyu Tu et al.
Journal of cell science, 119(Pt 24), 5077-5086 (2006-12-13)
The surface of the mammalian urinary bladder is covered by a crystalline, asymmetric unit membrane (AUM) structure that contains the four major uroplakins (UPs): Ia, Ib, II and IIIa. UPIa and UPIb belong to the family of tetraspanins. Although UPIa
Purification of staphylococcal protein A by affinity precipitation using a reversibly soluble-insoluble polymer with human IgG as a ligand
Taniguchi, M. et al.
Journal of Fermentation and Bioengineering, 68, 32-36 (1989)
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Protocols

Gel Filtration Markers Kit for Protein Molecular Weights 12,000-200,000 Da

Gel filtration chromatography is an established method for determining the size and molecular mass of proteins.

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