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Alpha-Amylase

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产品名称: Alpha-Amylase
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Alpha-Amylase


Alpha-Amylase  的详细介绍
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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