Enteropeptidase/Enterokinase, Light Chain, human

Proteins, Recombinant
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Product Name Enteropeptidase/Enterokinase, Light Chain, human
Description Recombinant human Enteropeptidase/Enterokinase, Light Chain (rHuEK). Human enteropeptidase is a specific protease that cleaves after the sequence Asp-Asp-Aps-Aps-Lys. The light chain of enteropeptidase has full enzymatic activity. No other protease activity was detected. Human enteropeptidase binds specifically to STI-agarose. The affinity puirifed Human Enterokinase contains amino acids from 785 to 1019.
Source Recombinant, Escherichia coli expression system
Form Purified, in 50 mM Tris-HCl, pH 8.0, 0.5M NaCl and 50% glycerol
Working Dilutions Unit definition: One unit of human enteropeptidase will cleave 2 mg of thioredoxin/human EGF fusion protein with the Asp-Asp-Aps-Aps-Lys sequence at the joining point in 22 hours at 4C, in 16 hours at 25C or in 8 hours at 37C
Purity > 98% by SDS-PAGE
Endotoxin Less than 0.1 ng/ug (IEU/ug)
Storage 2-8C for immediate use, or at -20C (aliquot)

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