Enzyme α-amylase

Shipping temperature: ambient

Storage temperature: 2-8^oC

Formulation: in 3,2 M ammonium sulphate

Physical form: suspension

EC 3.2.1.1
CAZy Family: GH13
CAS: 9000-90-2

Synonyms: α-amylase; 4-α-D-glucan glucanohydrolase

Source: Aspergillus oryzae
Recombinant from Aspergillus oryzae

Molecular weight: 54,000

Concentration: supplied at ~ 1,000 CU/mL

Specific activity:
~ 120 U/mg (40°C, pH 5,4 on Ceralpha Reagent)

Unit definition:
One unit of α-amylase is the amount of enzyme required to release one µmole of p-nitrophenol from blocked p-nitrophenyl-maltoheptaoside per minute (in the presence of excess α-glucosidase), pH 5,4 at 40°C, and is termed a Ceralpha Unit

Specificity: endo-hydrolysis of α-1,4-D-glucosidic linkages in starch

Temperature optima: 50°C
pH optima: 5

Stability: > 4 years at 4°C

• High purity and stability

- Research, biochemical enzyme assays and in vitro diagnostic analysis
- Use in Starch Damage method

Data Booklet Safety data sheet

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