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名称
胰蛋白酶(猪胰脏)
英文别名
PTN 3.0 Special | Pancreatic Trypsin Novo | Parenzyme | Parenzymol | Pseudotrypsin | Sperm receptor hydrolase | Tripcellim | Trypsin Gold | Trypsin V | Trypure | Trypzean
货号
T105532-100g
包装规格
100g
级别
EnzymoPure™
浓度
potency ≥250 units/mg
产品介绍
胰蛋白酶是一种丝氨酸蛋白水解酶,属白色或微黄色冻干粉制品。它能特异性地水解碱性氨基酸精氨酸及赖氨酸羧基所组成的肽键。酶本身很容易自溶,其作用最佳的PH值为8.0~9.0。胰蛋白酶活性能被胰腺中的天然抑制剂所抑制。钙离子能延迟胰蛋白酶的自溶,并能促进胰蛋白酶原的活性。 生理作用: 胰蛋白酶可切割赖氨酸和精氨酸残基的C末端肽段。 如果酸性残基位于切割位点的任意一侧,则该反应的水解速度减慢,并且如果脯氨酸残基位于切割位点的羧基侧,则水解停止。 胰蛋白酶还可以切割氨基酸合成衍生物的酯和酰胺键。 将EDTA添加到胰蛋白酶溶液中作为螯合剂,用于中和钙离子和镁离子以防止其抑制胰蛋白酶活性。 去除这些离子会增加酶活性。丝氨酸蛋白酶抑制剂(包括DFP、TLCK、APMSF、AEBSEF和抑肽酶等)会抑制胰蛋白酶。
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Research chemical 100g

Research chemical 100g; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: 100g.

item number:T105532-100g
Product model:100g
level: 100g
Lead Time:30days
sold 197 Items
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100g

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