从猪胰腺中分离的α-淀粉酶是一种糖蛋白。它是由约475个残基组成的一条多肽链(包含2个SH基团和4个二硫键)以及一个紧密结合的Ca2+(稳定性所必需的)组成的。 α-淀粉酶水解多糖中三个或更多个α(1→4)连接的α(1→4)葡聚糖键D-葡萄糖单元。α(1→6)键不会水解。天然底物淀粉或糖原可以在一定程度上被低分子量化合物替代。 处理说明 α-淀粉酶在25mM盐酸、pH7.5中的溶液,以及含有100mM氯化钾的溶液,在0℃ 或-20℃ 下至少可稳定储存9天。在pH7.3的1mM磷酸盐溶液中30mM氯化钙可在-15℃下储存。 产品应用 α-淀粉酶用于水解α-连接的多糖α键,如淀粉和糖原。
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α-淀粉酶 来源于猪胰腺
Dangerous GoodsCAS number:unknown molecular formula:
overview
compound introduction
Specs
| Chinese alias | 1,4-α-D-葡聚糖葡聚糖水解酶 | 液化型淀粉酶 | 液化酶 | α-1,4-糊精酶 | ||
| English alias | alpha-amylase | glycogenase | β-N-acetylglucosaminidase porcine placenta | PPA | al1,4 glucan-4-glucanohydrolase | porcine pancreas α-amylase | AMY2 | AMY2B | ||
| CAS number | unknown | molecular formula | |
| molecular weight | - | Exact mass | 生物活性 |
| PSA | - | logp | - |
numbering system
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physicochemical properties
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Safety information
WGK Germany:
1
Personal protective equipment:
dust mask type N95 (US),Eyeshields,Faceshields,Gloves
RTECS:
BU7432500
Production methods and uses
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downstream information
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MSDS
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