Recombinant Bovine Enterokinase

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Detailed Description

YaxinBio Enterokinases are highly purified recombinant bovine enterokinases. The enzyme has been extensively purified and there is no trace of other contaminating proteases. Enterokinase is a specific protease that cleaves lysine C-terminal preceded by four aspartic acids: Asp-Asp-Asp-Asp-Lys. However, enterokinases do not cleave if this lysine is followed by a proline. Enterokinase can remove N-terminal fusion tags of proteins. Enterokinase are therefore very useful for removing unwanted tags. ADVANTAGES - High purity One single main band at 35kD by SDS-PAGE - High specificity 1) Protease that cleaves specifically after a lysine preceded by four aspartic acids: Asp-Asp-Asp-Asp-Lys 2) No any other contaminating proteases PRODUCT INFORMATION Source: E.Coli M.W.: Theoretical MW: 25,850 Da. The apparent MW on SDS-PAGE: approx. 27,000 Da Specific Activity: One unit is defined as the amount of enzyme needed to cleave 50µg of fusion protein in 16 hours to 95% completion at 22°C in a buffer containing 25 mM Tris-HCl, pH 8.0. Storage: Store at -20°C after delivery. Formulation: YaxinBio Enterokinase, formulated using YaxinBio 's proprietary technology, can be shipped at room temperature. It will remain stable at 37°C for one week without losing any activity.

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Shanghai Yaxin Biotechnology Co., Ltd.

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