计算溶液所需的质量、体积或浓度。
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| 货号 (SKU) | 包装规格 | 是否现货 | 价格 | 数量 |
|---|---|---|---|---|
| R141088-0.1KU |
0.1KU |
现货 ![]() |
| |
| R141088-0.5KU |
0.5KU |
现货 ![]() |
|
| 产品名称 | 重组肠激酶 |
|---|---|
| 规格或纯度 | EnzymoPure™, ≥5 units/μl |
| 产品介绍 |
注意事项: 酶切温度:不建议37℃条件下酶切,可能会有非特异性酶切出现。
在>200mM 咪唑,或>200mMNaCl,或>5%甘油条件下,酶切效果受影响,可参照以下推荐方法进行酶切: 为获得理想酶切结果,请将样品透析到25mM Tris-HCl 8.0缓冲液中,再进行酶切。若不便透析,可将样品稀释到咪唑含量在100mM以下,NaCl浓度在50mM以下,甘油浓度小于5%以下进行酶切,酶的用量与蛋白的比例不变(即1U酶切500µg蛋白)。 25 mM Tris-HCl pH 8.0 25 mM Tris-HCl pH 8.0,含100 mM NaCl
蛋白酶切效果不好,可适当增加酶量,或适当延长酶切时间。 Recombinant Enterokinase is a kind of highly purified recombinant bovine enterokinase. The enzyme has been extensively purified and there are no traces of other contaminating proteases. Enterokinase specifically hydrolyzes peptide bond at the carboxyl side of lysine residue preceded by four aspartic acids: Asp-Asp-Asp-Asp-Lys (DDDDK). So, Enterokinase can remove N-terminal fusion protein or tags to get aim protein with native amino acids sequence.Protease that cleaves specifically after a lysine preceded by four aspartic acids: Asp-Asp-Asp-Asp-Lys (DDDDK).No any other contaminated proteases, no non-specific cutting sites. One unit is defined as the amount of enzyme needed to cleave 0.5mg of fusion protein in 12 to16 hours to get 95% completion at 25°C in 25mMTris-HCl,pH 8.0. Substrate: a special fusion protein. |
| 浓度 | ≥5 units/μl |
|---|---|
| 储存温度 | -20°C储存 |
| 运输条件 | 超低温冰袋运输 |
| CAS编号和信息 | 9014-74-8 |
| 单位定义 | 1U定义为在25℃,12h~16h之内,将0.5mg保存于25mM Tris-HCl 8.0 缓冲液中的融合蛋白切割95%所需的酶量。 |
¥659.90