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| Catalog No. | Product Name | Size | List Price (US$) | Quantity |
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Conditions of optimal EK Enzyme performance should be determined experimentally by the investigator.
Price/availability/specifications subject to change without notice. Unless otherwise indicated, our catalog and customized products are for research use only and not intended for human or animal diagnostic or therapeutic use.
Phone: 1-617-401-8149
Fax: 1-617-606-5019
Email: message@sydlabs.com
Or leave a message with a formal purchase
order (PO) Or credit card.
Background
Enterokinase is a serine proteinase that exhibits specificity for the sequence (Asp)4-Lys. It is the physiological activator of trypsinogen. The native enzyme has a heavy chain (115 kDa) covalently linked to a light chain or catalytic subunit (35 kDa). It has been well documented that the enterokinase light chain (EK) is catalytically effective, (1)and thus most studies are performed using EK.
BP000034-ENZ-260: Recombinant Human Enteropeptidase/Enterokinase, Light Chain
Source: E. coli-derived.
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. The affinity puirifed Human Enterokinase contains amino acids from 785 to 1019.
Purity > 98%, by SDS-PAGE.
Formulation: 50mM Tris-HCl, pH 8.0, 0.5 M NaCl, 1 mM CaCl2 and 50% glycerol.
Shipping: The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage:
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
6 months from date of receipt, -20 to -70°C as supplied.
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