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Pack Size | Price | Availability | Quantity |
---|---|---|---|
20 μg | $515 | 20 days | |
100 μg | $833 | 20 days | |
1 mg | $2,450 | 20 days |
Description | Toxin which activates the particulate form of guanylate cyclase and increases cyclic GMP levels within the host intestinal epithelial cells. Heat-stable enterotoxin ST-2 Protein, E. coli, Recombinant is expressed in E. coli expression system. The predicted molecular weight is 2.0 kDa and the accession number is P01560. |
Species | E. coli |
Expression System | E. coli |
Tag | Tag Free |
Accession Number | P01560 |
Synonyms | Heat-stable enterotoxin ST-2 |
Amino Acid | NTFYCCELCCNPACAGCY |
Construction | 1-18 aa |
Protein Purity | > 90% as determined by SDS-PAGE. |
Molecular Weight | 2.0 kDa (predicted) |
Formulation | If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0. |
Reconstitution | Reconstitute the lyophilized protein in sterile deionized water. The product concentration should not be less than 100 μg/mL. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing. |
Stability & Storage | Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots. |
Shipping | In general, Lyophilized powders are shipping with blue ice. Solutions are shipping with dry ice. |
Research Background | Toxin which activates the particulate form of guanylate cyclase and increases cyclic GMP levels within the host intestinal epithelial cells. |
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