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Heat-stable enterotoxin ST-2 Protein, E. coli, Recombinant

(Synonyms: ST-B, Heat-stable enterotoxin ST-2) Copy Product Info

Synonyms: ST-B, Heat-stable enterotoxin ST-2

Catalog No. TMPH-00634 Copy Product Info
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.
Heat-stable enterotoxin ST-2 Protein, E. coli, Recombinant
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Pack SizePriceUSA StockGlobal StockQuantity
5 μg$18520 days20 days
10 μg$29720 days20 days
20 μg$51520 days20 days
50 μg$71320 days20 days
100 μg$91620 days20 days
200 μg$1,26020 days20 days
500 μg$1,93020 days20 days
1 mg$2,69020 days20 days
For In stock only · Estimated delivery: USA Stock (1-2 days) Global Stock (5-7 days)
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For research use only—not for human use. No sales to individuals. Use as intended only.
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Product Introduction

Bioactivity
Bioactivity
Activity has not been tested. It is theoretically active, but we cannot guarantee it. If you require protein activity, we recommend choosing the eukaryotic expression version first.
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
TagTag Free
Accession NumberP01560
Amino AcidNTFYCCELCCNPACAGCY
Construction1-18 aa
Protein Purity
> 90% as determined by SDS-PAGE.
Endotoxin< 1.0 EU/μg of the protein as determined by the LAL method.
FormulationIf 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.
ReconstitutionReconstitute 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 & StorageLyophilized 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.
ShippingIn general, lyophilized powders are shipped with blue ice, while solutions are shipped with dry ice.
SynonymsST-B, Heat-stable enterotoxin ST-2
Research Background
Chemical Properties
Molecular Weight2.0 kDa (predicted)
Storage & Solubility Information
StorageLyophilized powder: -20~-80°C for 1 year | Solution: -80°C for 6 months

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Dose Conversion

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Tech Support

Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc
Related Tags: Heat-stable enterotoxin ST-2 Protein, E. coli, Recombinant chemical structure | Heat-stable enterotoxin ST-2 Protein, E. coli, Recombinant molecular weight