

β-Amylase (Barley)
β-Amylase (Barley)
MANUFACTURER: MEGAZYME
PRODUCT CODE: E-BARBL-50KU
SKU: EA-261-150
- Description
- Size Guide
- SPECIFICATION
- DATA SHEET
Description
β-Amylase (Barley)
Content: | 20,000 Units or 50,000 Units |
Shipping Temperature: | Ambient |
Storage Temperature: | 2-8oC |
Formulation: | In 3.2 M ammonium sulphate |
Physical Form: | Suspension |
Stability: | > 1 year under recommended storage conditions |
Pure, crystalline suspenson. Suitable for starch structural work.
Powder enzyme form (2000°L) is for use in AACC and ASBC α-amylase assay procedures
Enzyme Activity: | β-Amylase |
EC Number: | 3.2.1.2 |
CAZy Family: | GH14 |
CAS Number: | 9000-91-3 |
Synonyms: | beta-amylase; 4-alpha-D-glucan maltohydrolase |
Source: | Hordeum vulgare |
Molecular Weight: | 58,300 |
Concentration: | E-BARBL-20KU: Supplied at ~ 10,000 U/mL E-BARBL-50KU: Supplied at ~ 10,000 U/mL. |
Expression: | From barley flour |
Specificity: | Hydrolysis of α-1,4-D-glucosidic linkages in polysaccharides releasing maltose units from the non-reducing end. |
Specific Activity: | ~ 400 U/mg (40oC, pH 6.0 on soluble starch) |
Unit Definition: | One Unit of β-amylase activity is defined as the amount of enzyme required to release one µmole of maltose reducing-sugar equivalents per minute from soluble starch (10 mg/mL) in sodium phosphate buffer (200 mM), pH 6.0 at 40oC. |
Temperature Optima: | 60oC |
pH Optima: | 6 |
Application examples: | For use in AACC and ASBC α-amylase assay procedures. |