Human CD9 / Tspan-29 - Recombinant Protein

Name: Human CD9 / Tspan-29 - Recombinant Protein
Brand: Beta LifeScience
SKU: BLT-06338P
Price: 445.0 USD
Availability: InStock

SDS-PAGE analysis of Human CD9 / Tspan-29 - Recombinant Protein, CAT# BLT-06338P, showing >90% purity under 15% SDS-PAGE (Reduced)

Price Save $150

Size

100ug

Quantity

Quantity Pricing

Pack Size	Price (USD)
500 µg	$1,030 (Fall Promotion)
1 mg	$1,870 (Fall Promotion)

For direct online orders, quantity pricing will be displayed in cart when you add 5x100ug or 10x100ug

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Product Overview

Product Name	Recombinant Human CD9 / Tspan-29 Protein
Product Overview	This Recombinant Human CD9 / Tspan-29 Protein with amino acids Ser 112-Ile 195 is expressed in Mammalian Cell. The protein is supplied lyophilized and formulated in Phosphate buffered saline (pH7.4) containing 0.01% sarcosyl, 5%Trehalose.It has a purity >90% as determined by SDS-PAGE.
Target Uniprot Id	P40240
Synonyms	BTCC-1;DRAP-27;MIC3;MRP-1;TSPAN-29;TSPAN29
Species	Human
Predicted Molecular Mass	11 kDa
Expression System	Mammalian Cell
Expression Range	112-195aa
Tag	C-His
Purity	>90%
Formulation	Lyophilized
Buffer	Phosphate buffered saline (pH7.4) containing 0.01% sarcosyl, 5%Trehalose
Storage Condition	1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Reconstitution Instruction	Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Applications	Positive Control; Immunogen; SDS-PAGE; WB
Research Area	Immunology
Target Function	Integral membrane protein associated with integrins, which regulates different processes, such as sperm-egg fusion, platelet activation and aggregation, and cell adhesion. Present at the cell surface of oocytes and plays a key role in sperm-egg fusion, possibly by organizing multiprotein complexes and the morphology of the membrane required for the fusion. In myoblasts, associates with CD81 and PTGFRN and inhibits myotube fusion during muscle regeneration. In macrophages, associates with CD9 and beta-1 and beta-2 integrins, and prevents macrophage fusion into multinucleated giant cells specialized in ingesting complement-opsonized large particles. Also prevents the fusion between mononuclear cell progenitors into osteoclasts in charge of bone resorption. Acts as a receptor for PSG17. Involved in platelet activation and aggregation. Regulates paranodal junction formation. Involved in cell adhesion, cell motility and tumor metastasis. Also regulates integrin-dependent migration of macrophages, particularly relevant for inflammatory response in the lung.
Subcellular Location	Cell membrane; Multi-pass membrane protein. Membrane; Multi-pass membrane protein. Secreted, extracellular exosome.
Protein Family	Tetraspanin (TM4SF) family
Tissue Specificity	Expressed predominantly in the peripheral nervous system. Highly expressed in oocytes and blastocysts (at protein level). Expression is also observed on follicular oocytes in the ovary, whereas no expression is found on follicular cells (at protein level)

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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.