Recombinant Tobacco Etch Virus Protease, His-Tagged (rTEV)

英文全名

Recombinant Tobacco Etch Virus Protease, His-Tagged (rTEV)

英文别名

P1 Protease

蛋白结构

Squence of Recombinant Tobacco Etch Virus Protease, His-Tagged

氨基酸序列

Accession

Gene ID

产品英文概述

TEV protease encoded by the tobacco etch virus is a catalytic domain of the Nuclear Inclusion a (NIa) protein. It is consists of 241 a.a. amino acids with the molecular weight of 27kDa. TEV recognizes the amino acid sequence of the general form E-X-X-Y-X-Q (or S)/X’, and cleaves between Q (or S)/X’. In this form X and X’ stand for any of the amino acid residues, except that X’ cannot be P. The optimal cleavage site is ENLYFQ/G. As having the absolute specificity and wildly using conditions like broad pH range and ionic strength, the TEV protease became more versatile than EK, thrombin and other protease used in biochemical applications, especially recombinant protein production. The optimal temperature for cleavage is 30°C; however, the enzyme can be used at temperatures as low as 4°C. Following digestion, TEV Protease can be removed from the reaction via the His tag sequence by Ni2+-chelate affinity chromatography.

来源

Escherichia coli.

分子量

One unit is defined as the amount of enzyme needed to cleave 3 mug of fusion protein in 1 hour to 85 % completion at 30°C in a buffer containing 50 mM Tris-HCl, pH 8.0, 0.5 mM EDTA, and 1 mM DTT.

生物活性

外观

Clear colorless liquid.

配方

A 0.2 um filtered solution in 25 mM Tris-HCl, pH 8.0, 75 mM NaCl, 5 mM EDTA, 10 mM GSH, with 50 % Glycerol.

内毒素

溶解说明

储存条件

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 6 months from date of receipt, -20 to -70 °C as supplied.- 3 months, -20 to -70 °C under sterile conditions after opening.

参考资料

纯度

> 90 % by SDS-PAGE analysis.
SDS-PAGE of Recombinant Tobacco Etch Virus Protease, His-Tagged

包装规格

300IU/1000IU

安全数据表下载 (SDS)

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技术参数表下载 (TDS)

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品牌链接

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