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

Catalog No. TMPH-00634

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

Catalog No. TMPH-00634

Pack Size	Price	USA Warehouse	Global Warehouse
5 μg	$185	20 days	20 days
10 μg	$297	20 days	20 days
20 μg	$515	20 days	20 days
50 μg	$713	20 days	20 days
100 μg	$916	20 days	20 days
200 μg	$1,260	20 days	20 days
500 μg	$1,930	20 days	20 days
1 mg	$2,690	20 days	20 days

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In Stock Estimated shipping dateUSA Warehouse [1-2 days] Global Warehouse [5-7 days]

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User Guide of Recombinant Proteins

Product Information

Biological Activity	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
Tag	Tag Free
Accession Number	P01560
Synonyms	ST-B,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)
Endotoxin	< 1.0 EU/μg of the protein as determined by the LAL method.
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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