蛋白酶K

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北京智杰方远科技有限公司
15810200961 010-82897201
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  • Brand  进口分装
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Last Updated 2025-08-12 15:47

蛋白酶K

简介
蛋白酶K (Proteinase K)是一种切割活性较广的丝氨酸蛋白酶,它切割脂族氨基酸和芳香族氨基酸的羧基端肽键,用于蛋白质的常规消化。常用工作浓度为0.05-1mg/ml,根据所用缓冲液是否含有SDS、尿素、pH是否适合、温度是否适合等因素确定具体的工作浓度。
推荐反应缓冲液:50mM Tris-HCl (pH 8.0),10mM CaCl2 。
产品特性
1) 不含RNase和DNase;
2) 在尿素、EDTA和SDS中稳定;
3) 在较广的pH范围内(pH 4-12.5)均有活性,最佳pH范围为pH7.5-8.0;
4) 最佳反应温度为65℃,但在65℃或更高的温度蛋白酶K自身的也非常迅速地降解。推荐反应温度选择50- 55℃;
5) 来源自Tritirachium album;
6) 活力单位≥30 mAnson-U/mg。
运输与保存方法
冰袋(wet ice)运输。产品2℃-8℃保存。

溶解
用无菌50mM Tris-HCl (pH 8.0),10mM CaCl2溶解,配制成20mg/ml的母液。母液分装保存于-20℃,避免反复冻融。

注意事项
为了您的安全和健康,请穿实验服并戴一次性手套操作。
Company Name 北京智杰方远科技有限公司
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Business Scope 进口胎牛血清,美国GIBCO,德国PAN,以色列BI,澳大利亚Ausgene-X,德国Cegrogen,美国GEMINI,美国Hyclone,MP Bio,日本同仁,TAKARA,Biolog微生物鉴定板,Borer清洗产品,台湾旭基
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