蛋白酶K 來源于林伯氏白色念球菌(溶液), ≥400 u/ml

??【編號】：128671

??【產(chǎn)品名稱】：蛋白酶K 來源于林伯氏白色念球菌(溶液), ≥400 u/ml

??【規(guī)格】：5ml

??【用途】：

　　蛋白酶K 來源于林伯氏白色念球菌(溶液), ≥400 u/ml

　　Product Name： Proteinase K from Tritirachium album limber(Solution)

　　CAS號：39450-01-6

　　介紹： Proteinase K (PROK) is a serine protease with broad specificity towards aliphatic, aromatic and other hydrophobic amino acids. PROK has a molecular weight of 27,000 daltons and is Ca2+dependent. It is not inactivated by metal ion chelating agents such as EDTA, sulfhydryl reagents, PCMB, TLCK, or TPCK. It also retains activity in 0.5% SDS. It can be inhibited by PMSF or DFP.

　　用途： Useful for the proteolytic inactivation of nucleases during the isolation of DNA and RNA. Removal endotoxins bound to cationic proteins such as lysozyme and ribonuclease A. Reported useful for the isolation of hepatic, yeast, and mung bean mitochondria Determination of enzyme localization on membranes Treatment of paraffin embedded tissue sections to expose antigen binding sites for antibody labeling. Digestion of proteins from brain tissue samples for prions in Transmissible Spongiform Encephalopathies (TSE) research.

　　貯存：儲存溫度-20°C

　　生化和生理學(xué)機理： Proteinase K is a stable and highly reactive serine protease. Evidence from crystal and molecular structure studies indicates the enzyme belongs to the subtilisin family with an active-site catalytic triad (Asp39-His69-Ser224). It is stable in a broad range of environments： pH, buffer salts, detergents (SDS), and temperature. In the presence of 0.1-0.5% SDS, proteinase K retains activity and will digest a variety of proteins and nucleases in DNA preparations without compromising the integrity of the isolated DNA.

上一篇：蛋白酶K 來源于林伯氏白色念球菌, ≥20 units/mg dry weight		下一篇：木瓜酶來源于番木瓜乳液(懸浮液), ≥20 units/mg protein

蛋白酶K 來源于林伯氏白色念球菌(溶液), ≥400 u/ml

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蛋白酶K 來源于林伯氏白色念球菌(溶液), ≥400 u/ml

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　　蛋白酶K 來源于林伯氏白色念球菌(溶液), ≥400 u/ml

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