计算溶液所需的质量、体积或浓度。
| 活性类型 | 活性值-log(M) | 作用机制 | 期刊 | 参考文献(PubMed IDs) |
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抑肽酶是丝氨酸蛋白酶的竞争性抑制剂,可抑制胰蛋白酶、糜蛋白酶、激肽原酶等的活性。抑肽酶可与蛋白酶形成稳定的复合物从而封闭酶的活性位点。大多数的抑肽酶-蛋白酶复合物在pH >10 或pH <3的条件下可逆结合。抑肽酶与蛋白酶是等摩尔有效结合。重组抑肽酶利用重组大肠杆菌表达,HPLC纯化所得。不含有任何动物源性组分。重组抑肽酶含有与来源于牛肺的抑肽酶相同的氨基酸序列。
A conversion factor for Aprotinin is: 1 EPU = 1 USP Aprotinin Unit = 1800 KIU.
抑肽酶与蛋白酶是等摩尔有效结合,推荐的结合pH >6.0,在pH <3.0的条件下不结合。
Aprotinin is a competitive serine protease inhibitor that inhibits trypsin,chymotrypsin,kallikrein and plasmin.Aprotinin forms stable complexes with and blocks the active sites of enzymes. Binding is reversible with most aprotinin,protease complexes and dissociating at pH >10 or <3. Effective concentration is equimolar with protease.Recombinant aprotinin is expressed in E. Coli, and purified with HPLC. It contains no animal-derived components. This is a recombinant form of bovine lung aprotinin, which is traditionally isolated from bovine lung by methods involving fractional precipitation, gel filtration, and ion exchange chromatography. UNIT DEFINITION:A conversion factor for Aprotinin is: 1 EPU = 1 USP Aprotinin Unit = 1800 KIU.