产品详情
简单介绍:
Alpha-Amylase
详情介绍:
Product Name | Alpha-Amylase |
Source | Human Saliva |
Catalogue Number | 120-10 |
Purity | > 90% (SDS-PAGE) |
Purity Note | Typically > 98% (SDS-PAGE, two bands at approx. 60kDa) |
Form | Lyophilized |
Activity | > 100 U/mg (Siemens Dimension® Clinical Chemistry System) |
Unit Definition | One unit will catalyze the hydrolysis of one micromole 2-chloro-4-nitrophenyl-a-D-maltotrioside to yield 2-chloro-4-nitrophenol per minute at 37°C. |
Protein | > 0.2 mg protein/mg (Coomassie) |
Specific Activity | > 400 U/mg protein |
Contaminants | Lipase: < 0.1% Protease: < 0.1% Ammonia: < 0.1 micromole/mg |
pH | 6.0 - 7.5 (10 mg/mL H2O) |
Formulation | Lyophilized powder from 75mM sodium chloride, 10mM Tris, 1mM calcium chloride, pH 7.2. |
Appearance | Off-white powder |
Solubility | Clear, colorless (1 mg/mL saline) |
Storage | -20°C |
Recertification | 3 years |
Synonyms | 1,4-alpha-D-Glucan-glucanohydrolase, ptyalin |
Molecular Weight | ~60,000 |
CAS Number | 9000-90-2 |
E.C. Number | 3.2.1.1 |
Gene | AMY1A |
Gene ID | 276 |
Accession No | P04745 |
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