Recombinant Human SSTR2 Protein-VLP, Active

Name: Recombinant Human SSTR2 Protein-VLP, Active
Brand: Beta LifeScience
SKU: BLK-00972P-100UG
Availability: InStock

The purity of Human SSTR2 VLP is greater than 95% as determined by SEC-HPLC.

Collections: Recombinant proteins, Virus-like particle (vlp) proteins

Our products are highly customizable to meet your specific needs. You can choose options such as endotoxin removal, liquid or lyophilized forms, preferred tags, and the desired functional sequence range for proteins. Submitting a written inquiry expedites the quoting process.

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Product Overview

Description	Recombinant Human SSTR2 Protein-VLP is expressed from HEK293.It contains Met1-Ile369.
Purity	> 95% as determined by HPLC
Accession	P30874
Target Symbol	SSTR2
Synonyms	Somatostatin receptor type 2;SS-2-R;SS2-R;SS2R;SRIF-1;SRIF1;SRIF 1;Smstr2;Somatostatin R2;somatostatin receptor 2;SomatostatinR2;SST2;SSTR2
Species	Human
Expression System	HEK293
Expression Range	Met1-Ile369
Mol. Weight	The target protein has a predicted MW of 42.7 kDa.
Form	Liquid
Formulation	Supplied as 0.22um filtered solution in PBS, 300mM L-Arginine (pH 7.4). Notice: If you need it for immunization, Do Not use any adjuvant.
Endotoxin	Less than 1EU per ug by the LAL method.
Activity	Immobilized Human SSTR2 VLP at 5ug/ml on the plate (100ul/Well). Dose response curve for Anti-SSTR2 Antibody, hFc Tag with the EC50 of 19.6ng/ml determined by ELISA. Contact us for detailed testing images.
Storage	Valid for 12 months from date of receipt when stored at -80°C.; Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.
Shipping	Shipped with dry ice.
Gene Background	Somatostatin receptor (SSTR) 2, widely expressed in meningioma, is a G-protein-coupled receptor and can be activated by somatostatin or its synthetic analogs. SSTR2 is therefore extensively studied as a marker and target for the diagnosis and treatment of meningioma.

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.