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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-267: Porcine Enteropeptidase/Enterokinase
Source: Porcine-derived.
A specific protease which cleaves after the lysine at its recognition site: Asp-Asp-Asp-Asp-Lys. Enterokinase will not cleave a site followed by proline. Theoretical Mw is 21,880 Dalton, the apparent Mw on SDS-PAGE is about 40 kDa.
Formulation: 2 IU/µl, 50 mM Tris-HCl, pH 8.0, 0.5 M NaCl 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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