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Enterokinase Protein, Bovine, Recombinant (His)

Catalog No. TMPS-00025

Enterokinase (EK) is a duodenal protease involved in digestion by activating trypsinogen into trypsin, which in turn activates other pancreatic enzymes. EK specifically cleaves after the sequence Asp-Asp-Asp-Asp-Lys (DDDDK↓) and is inactive if a proline follows the site.
Recombinant bovine enterokinase (rbEK) shows higher activity than EK from other species and is widely used in biochemical applications. It is a glycosylated single-chain protein of ~200 amino acids, tagged with C-terminal 6×His for Ni²⁺ affinity purification and easy removal after digestion. The purified rbEK has a molecular weight of ~40 kDa and is fully biologically active.

Enterokinase Protein, Bovine, Recombinant (His)

Enterokinase Protein, Bovine, Recombinant (His)

Catalog No. TMPS-00025
Enterokinase (EK) is a duodenal protease involved in digestion by activating trypsinogen into trypsin, which in turn activates other pancreatic enzymes. EK specifically cleaves after the sequence Asp-Asp-Asp-Asp-Lys (DDDDK↓) and is inactive if a proline follows the site.<br/>Recombinant bovine enterokinase (rbEK) shows higher activity than EK from other species and is widely used in biochemical applications. It is a glycosylated single-chain protein of ~200 amino acids, tagged with C-terminal 6×His for Ni²⁺ affinity purification and easy removal after digestion. The purified rbEK has a molecular weight of ~40 kDa and is fully biologically active.
Pack SizePriceAvailabilityQuantity
10 μg$1367-10 days
50 μg$1987-10 days
1 mg$1,5207-10 days
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Product Information

Biological Activity
100 IU/μg
Description
Enterokinase (EK) is a duodenal protease involved in digestion by activating trypsinogen into trypsin, which in turn activates other pancreatic enzymes. EK specifically cleaves after the sequence Asp-Asp-Asp-Asp-Lys (DDDDK↓) and is inactive if a proline follows the site. Recombinant bovine enterokinase (rbEK) shows higher activity than EK from other species and is widely used in biochemical applications. It is a glycosylated single-chain protein of ~200 amino acids, tagged with C-terminal 6×His for Ni²⁺ affinity purification and easy removal after digestion. The purified rbEK has a molecular weight of ~40 kDa and is fully biologically active.
Species
Bovine
TagHis
Synonyms
PRSS7,ENTK,Enteropeptidase
Protein Purity
> 95% as determined by SDS-PAGE.
Molecular Weight40 kDa (Reducing conditions)
Endotoxin<0.2 EU/μg, determined by LAL method.
FormulationLyophilized from a 0.2 μm filtered solution in 20mM Tris-HCl, pH 7.4, 200mM NaCl, 2mM CaCl2.
Reconstitution
Reconstitute lyophilized EK powder in sterile deionized water at 1mg/ml, then dilute in EK Dilution/Storage Buffer according to your requirement.
Stability & Storage
Lyophilized recombinant Bovine Enterokinase (His-tagged) (rbEK) remains stable up to one year at -20°C from date of receipt. Please avoid freeze-thaw cycles.
ShippingIn general, Lyophilized powders are shipping with blue ice. Solutions are shipping with dry ice.
Research Background
Enterokinase (EK) is a duodenal protease involved in digestion by activating trypsinogen into trypsin, which in turn activates other pancreatic enzymes. EK specifically cleaves after the sequence Asp-Asp-Asp-Asp-Lys (DDDDK↓) and is inactive if a proline follows the site.

Dose Conversion

You can also refer to dose conversion for different animals. More

Sci Citations

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Tech Support

Please read the User Guide of Recombinant Proteins for more specific information.