Recombinant Enterokinase
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Specifications
CAS.NO: 9017-74-8
Recombinant Enterokinase is a kind of highly purified recombinant bovine enterokinase light chain. The enzyme has been extensively purified by HPLC and there are no traces of other contaminating
proteases.
Recombinant Enterokinase and Enteropeptidase Specifications
Product Name Recombinant Enterokinase
Source Recombinant E. coli
Appearance Colorless to light yellow clear liquid
Activity ≥5.0 U/μl
Purity(SDS-PAGE) Single major band 25.8±2.6kDa
Storage Conditions -15°C below，protected from light, sealed.
The data should be subject to test report of products.
Recombinant Enterokinase Application
Enzyme digestion condition: 25mM Tris-HCl 8.0, fusion protein concentration: 0.1-1mg/ml (total
protein content: 50-100μg), EK content: 0.1-2U, Temperature: 25℃, overnight or 16h-24h for
digestion.
4°C low temperature digestion conditions: 4°C can effectively digest the substrate, but need to extend the digestion time to 48-64h, or increase the enzyme 2-3 times.
Enzyme cleavage optimization and amplification: Optimization: Enzyme cleavage conditions can be optimized, such as buffer pH, fusion protein concentration, EK amount, and digestion time, so that
the fusion protein can be digested under stable conditions, SDS-PAGE detection of digestion effect. Amplification: Select the optimized reaction conditions, according to the conditions such as the
proportion of amplification, SDS- PAGE detection of digestion effect.
＞200mM imidazole or ＞200mM NaCl or ＞5% glycerin, the reaction may be effected.The following suggestions are given: To receive the optimum result, please dialyze the sample to 25 mMTris-HCl, pH 8.0.
If the dialysis is inconvenient, please dilute the sample to ＜100mM imidazole, ＜50mMNaCl, ＜5% glycerin, and the proportion of fusion protein and EK may not be changed (1U:500μg fusion protein). If
there are one or more components in samples, and cannot be removed, suggest to increase the content of EK in reaction system or extend the reaction time.
Enterokinase Enzyme Transport and Storage Stability
Stability of storage: Recombinant Enterokinase should be stored at -15°C below in sealed container.
It is stable within 24 months.If stored at 25°C ,it is stable within one week.
It is no activity loss after 5 times repeated freezing and thawing.
Stability of transport: The product is stable by ice insulation transport.
Notice and Disclaimer
The product is for research use only and should not be used for diagnosis or treatment of animals or humans.
If you have needs to buy enterokinase produced by Gene Biocon, please contact us.
More details of enterokinase enzyme function, please visit our website.
As a biological pharma company, we will do our best to meet all the needs of customers.
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