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50×Proteinase K (10mg/ml)

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江苏凯基生物技术股份有限公司
025-52880811
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  • Brand  keygen
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Last Updated 2025-08-12 15:56

50×Proteinase K (10mg/ml)

Proteinase K,中文名为蛋白酶K。不含DNase,不含RNase,进口分装,可直接使用。可以用于消化各种蛋白。用于各种常见的分子生物学、细胞生物学等相关实验,例如基因组DNA抽提、酶的消化去除等。酶活力>30U/mg。在37℃,以血红蛋白为底物,1分钟内可以产生相当于1微摩尔酪氨酸Folin阳性的氨基酸或多肽的蛋白酶K的量,定义为一个单位蛋白酶K酶活力。 在很宽的pH范围内有效,有效的pH范围为pH4.0-12.5,理想pH范围为pH7.5-8.0。蛋白酶K的理想反应温度为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。很多时候反应温度选择50-55℃。在0.2-1%SDS或约10mM尿素存在的情况下,蛋白酶K显示更高的酶活性。蛋白酶K的常用工作浓度为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。常用浓度的EDTA、Triton X-100、Tween-20、Sarkosyl、盐酸胍对蛋白酶K的活力影响不大。
保存条件:-20℃保存12个月
Company Name 江苏凯基生物技术股份有限公司
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Business Scope annexin v,tunel,细胞凋亡检测试剂盒,蛋白提取试剂盒,ECL发光检测试剂,细胞株,抗体
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