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Enterokinase Bovine

目录号 : GP21605

肠肽酶/肠激酶轻链牛重组体

Enterokinase Bovine Chemical Structure

规格 价格 库存 购买数量
20IU
¥1,400.00
5-10工作日
100IU
¥4,900.00
5-10工作日
500IU
¥16,170.00
5-10工作日

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Sample solution is provided at 25 µL, 10mM.

产品文档

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产品描述

Enterokinase (rEK) Bovine Recombinant is the catalytic subunit of bovine enterokinase, which is expressed by the yeast and purified to yield a high enzyme activity preparation. EK recognizes the sequence Asp-Asp-Asp-Asp-Lys and cleaves the peptide bond after the lysine residue. The enzyme can be used to cleave any fusion protein that carries this sequence.Recombinant Bovine Enterokinase is a single glycosylated polypeptide chain containing 235 amino acids and having an MW of ~43kDa.

Product Data

Purity Greater than 95.0% as determined by SDS-PAGE. Source Pichia pastoris.
Phycical Appearance Sterile liquid solution. Shipping Condition Shipped with Ice Packs.
Synonyms Enteropeptidase; EC 3.4.21.9; Enterokinase; Serine protease 7; ENTK; MGC133046.
Stability One year when stored at иC20°C . Please avoid freeze-thaw cycles.
Formulation Bovine EK in 50mM Tris-HCl, pH 8.0, 0.5M NaCl and 50% glycerol.

Introduction

Enteropeptidase or enterokinase is an enzymeinvolved in human digestion. It is produced by cells in the duodenum wall, and is secreted from duodenum's glands, the crypts of Lieberk?hn, whenever ingested food enters the duodenum from the stomach. Enteropeptidase has the critical job of turning trypsinogen(a zymogen) to trypsin, indirectly activating a number of pancreaticdigestive enzymes.Enteropeptidase is a serine proteaseenzyme(EC3.4.21.9). Enteropeptidase is a part of the Chymotrypsin-clan of serine proteases, and is structurally similar to these proteins.

Stability

One year when stored at иC20°C . Please avoid freeze-thaw cycles.