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- 详细信息
- 文献和实验
- 技术资料
- 库存：
现货
- 英文名：
Proteinase K Powder (≥30 U/mg)
- 供应商：
上海善然生物科技有限公司
- 保存条件：
低温
- 规格：
100 mg
Proteinase K is a subtilisin-like endolytic protease that is isolated from the saprophytic fungus Tritirachium album. It has a high activity that is stable across a wide range of pH and temperature conditions and is suited to short digestion times. The activity of proteinase K is increased at elevated temperatures up to 65°C. Calcium is not essential to the function of proteinase K. Therefore, EDTA and other chelating agents do not interfere with the activity and may be used alongside proteinase K to inactivate calcium-dependent nucleases in DNA and RNA preparation.
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文献和实验来源: 源于白色念球菌(Tritirachium album) 反应条件: 蛋白酶K在较广的缓冲液pH范围(pH 4-12.5), 温度范围(37-60℃), 盐浓度(如: 3 M GuHCl)或尿素(4 M)条件下均有活性。在一些去污剂如: Tween20(5%), Triton X-100 (1%)和SDS(1%)条件下也有活性 比活性: 30 units/mg
Proteinase K is a serine protease and the main proteolytic enzyme produced by the fungus Tritirachium album Limber (1 ). The enzyme has abroad specificity, cleaving peptide bonds C-terminal to a number of amino acids. The enzyme is produced
RNA Extraction by the Proteinase K Method
. Next the polysomes are dissociated with SDS and proteinase K and finally the protein is removed by several phenol/choloroform extractions (1 ,2 ).
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