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Easy BacLysis Protein Extraction Solution(L00230)

产品价格

Cat.No. Name Size Price(¥)
L00230
Easy BacLysis Protein Extraction Solution 500ml 1,628.00

产品说明

Easy BacLysis Protein Extraction Solution极为方便的通过裂解细菌细胞壁,而释放出大肠杆菌系统表达的可溶性蛋白。与传统的高压匀浆或超声波破碎细胞壁法相比,本产品具有操作简单,裂解迅速,费用便宜等优点。金斯瑞通过专利技术研发的该产品可以在非离子型洗涤剂中裂解细胞而不造成可溶性蛋白的变性。对于特殊要求的反应,一些附加试剂如裂解酶,蛋白酶,抑制剂,盐,还原剂或螯合剂等,也可以加入缓冲液。该缓冲液可以应用于细菌细胞的可溶性或不可溶性蛋白的抽提。

Easy BacLysis Protein Extraction Solution中加入Hercules Endonuclease可以释放原核表达系统中表达的目的蛋白的同时,显著减少提取物黏度,以利于下游操作。操作时通过离心收集细胞后,室温下悬浮于BacLysis Solution,并加入Hercules Endonuclease。在温育时,目的蛋白就会释放出来,核酸也被降解。离心除去不溶性蛋白及细胞残渣。获得的低黏度产物可直接用于纯化和进一步的分析。抽提物可使用多种亲和层析介质进行纯化。不溶部分可经过进一步操作,获得相对纯化的不溶物。

主要特色

使用简单
20分钟内即可快速裂解重组大肠杆菌内细胞
可进行小量或大量蛋白抽提
用于可溶性或不溶性蛋白抽提
可纯化包涵体至接近同质系水平(不能溶解包涵体)
极大方便于提取组织或细胞中的总RNA
单相抽提RNA,DNA和蛋白
一步液相法从同一样品中分离RNA,DNA,蛋白

储存条件

     Easy BacLysis Protein Extraction Solution储存于4℃。
     Endonuclease储存于含有50%的甘油,10mM Tris-HCl,20mM NaCl,2mM MgCl2,pH 8.0的缓冲液中,-20℃储存。不可储存于-70℃。

应用

      裂解细菌细胞,不影响蛋白活性
      纯化包涵体

应用举例

Shown in Figure 1 is a comparison of the Easy BacLysis Protein Extraction Solution to than of an anonymous competitor. 1.5ml cultures of E.coli strain BL21 (DE3) containing pET-28a encoding a target protein were harvested by centrifugation and resuspended in 300μl of either competitor's protein extraction reagent or Easy BacLysis Protein Extraction Solution. Samples in lysis reagent were treated according to their respective protocols. Extracts were clarified by centrifugation. Then supernatants were removed and insoluble fractions were resuspended in 300μl distilled water. The supernatant and insoluble fractions were analyzed by SDS-PAGE and Coomassie blue staining.

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