A6380

α-Amylase from Bacillus sp.

Type II-A, lyophilized powder, ≥1,500 units/mg protein (biuret)

• Sinonimo/i: Alpha-Amylase, Glycogenase, 1,4-α-D-Glucan-glucanohydrolase
• Numero CAS: 9000-90-2
• Classificazione EC (Enzyme Commission): 3.2.1.1 (BRENDA, IUBMB)
• Numero CE: 232-565-6
• Numero MDL: MFCD00081319
• Codice UNSPSC: 12352204
• eCl@ss: 32160410
• NACRES: NA.54

Proprietà

• Origine biologica: bacterial (Bacillus amyloliquefaciens)
• Tipo: Type II-A
• Saggio: ≥30%
• Forma fisica: lyophilized powder
• Attività specifica: ≥1,500 units/mg protein (biuret)
• PM: 50-55 kDa by SDS-PAGE
• tecniche: SDS-PAGE: suitable
• Solubilità: H₂O: soluble 0.1 mg/mL, clear, colorless
• Compatibilità: suitable for hydrolysis, synthesis of oligosaccharides and polysaccharides, and sugar modification
• applicazioni: life science and biopharma
• Temperatura di conservazione: −20°C

Descrizione

Descrizione generale

α-Amylase (1,4-α-d-glucan glucohydrolase), an endo-acting glucanase, is a member of the glycoside hydrolase family 13 (GH13).

α-Amylase, an extracellular enzyme, is present in many animals and plants, and also in microorganisms, such as different Bacillus species.

Applicazioni

α-Amylase from Bacillus sp. has been used:

• as a component of salivary fluid to perform artificial mastication; in luminal gastrointestinal digestion experiment
• as a standard in sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) to determine the concentration of α-Amylase
• to de-starch the alcohol insoluble residue (AIR) for non-cellulosic neutral monosaccharide analysis

Azioni biochim/fisiol

α-Amylase degrades starch into oligosaccharides such as maltose, and glucose and alpha limit dextrin. It hydrolyzes the α-(1→4) glucosidic linkages in polysaccharides of three or more α-(1→4) linked D-glucose units, without hydrolyzing the α-(1→6) bond. It participates in glucose production and is essential for energy acquisition. α-Amylases are widely known industrial enzymes used in the food, detergent, textile, fermentation, and pharmaceutical industries.

Caratteristiche e vantaggi

• α-Amylase from Bacillus licheniformis NCIB 6346 retains over 98% of its activity after 60 minutes at pH 6.2 and 85°C.
• Other α-Amylase maintain 100% of their activity after storage for 1 hour at 91°C.

Maintains >98% of activity after 60 minutes at pH 6.2 at 85 °C.

Definizione di unità

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

Nota sulla preparazione

4× crystallized

Dissolves in water to form a clear, colorless solution at 0.1 mg/mL concentration.

Altre note

View more information on enzymes for complex carbohydrate analysis at www.sigma-aldrich.com/enzymeexplorer

This product is for R&D use only, not for drug, household, or other uses. Please consult the Safety Data Sheet for information regarding hazards and safe handling practices.

Informazioni sulla sicurezza

• Pittogrammi: GHS08
• Avvertenze: Danger
• Indicazioni di pericolo: H334
• Consigli di prudenza: P261 - P284 - P501
• Classi di pericolo: Resp. Sens. 1
• Codice della classe di stoccaggio: 11 - Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable
• Dispositivi di protezione individuale: dust mask type N95 (US), Eyeshields, Faceshields, Gloves