Recombinant Human CD69 Protein

Name: Recombinant Human CD69 Protein
Brand: Beta LifeScience
SKU: BL-0118PS
Availability: InStock

Collections: Cluster of differentiation (cd) proteins, Featured cd protein molecules, Recombinant 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

Tag	His
Host Species	Human
Synonym	CD69Molecule, CD69 Antigen (P60, Early T-Cell Activation Antigen), Early T-CellActivation Antigen P60, Leukocyte Surface Antigen Leu-23, BL-AC/P26, GP32/28, CLEC2C,MLR-3, AIM, EA1, C-Type Lectin Domain Family 2, Member C, Activation InducerMolecule (AIM/CD69), C-Type Lectin Domain Family 2 Member C, Early LymphocyteActivation Antigen, Activation Inducer Molecule, CD69 Antigen, Early activationantigen CD69.
Background	CD69 is a type 2 transmembrane glycoprotein which belongs to the C-typelectin family. CD69 is a very early activation Ag of T lymphocytes. The expressionof CD69 is induced upon activation of T lymphocytes, and CD69 takes part inproliferation. Moreover, CD69 acts to transmit signals in natural killer cellsas well as platelets. CD69 functions in the pathogenesis of allergen induced eosinophilicairway inflammation and responsiveness. Among the diseases which are associatedwith CD69: cd3gamma deficiency and mast cell disease.
Description	CD69 expressed in Sf9 Baculovirus cells is a single,glycosylated polypeptide chain containing 147a.a. (62-199a.a.) andhaving a molecular weight of 17.0kDa.(Molecular size on SDS-PAGE will appear atapproximately 18-28kDa).CD69 is expressed with a 6a.a. His tag atC-Terminus and purified by unique purification methods.
Source	Sf9
AA Sequence	ADPSVGQYNC PGQYTFSMPSDSHVSSCSED WVGYQRKCYF ISTVKRSWTS AQNACSEHGA TLAVIDSEKD MNFLKRYAGR EEHWVGLKKE PGHPWKWSNGKEFNNWFNVT GSDKCVFLKN TEVSSMECEK NLYWICNKPY KHHHHHH.
Purity	>95.0% as determined by SDS-PAGE.
Endotoxin	<1.0 EU per μg by the LAL method.
Formulation	CD69 protein solution (0.5mg/ml) contains PhosphateBuffered Saline (pH 7.4) and 10% glycerol.
Stability	Recombinant protein is stable for 12 months at -70°C
Usage	For Research Use Only
Storage	Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.

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.