Recombinant Rat CD70 Protein (Fc Tag)

Name: Recombinant Rat CD70 Protein (Fc Tag)
Brand: Beta LifeScience
SKU: BLPSN-1098
Availability: InStock

Collections: Antibody / cell therapy targets, Antibody therapeutic / adc target proteins, Car-nk targets proteins, Cluster of differentiation (cd) proteins, Featured cd protein molecules, Featured immune checkpoint protein molecules, Immune checkpoint proteins, Recombinant proteins

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Product Overview

Tag	Fc
Host Species	Rat
Accession	D3ZGU3
Synonym	CD27L; LPFS3; CD27-L; CD27LG; TNFSF7; TNLG8A
Background	The protein encoded by this gene is a cytokine that belongs to the tumor necrosis factor (TNF) ligand family. This cytokine is a ligand for TNFRSF27/CD27. It is a surface antigen on activated, but not on resting, T and B lymphocytes. It induces proliferation of costimulated T cells, enhances the generation of cytolytic T cells, and contributes to T cell activation. This cytokine is also reported to play a role in regulating B-cell activation, cytotoxic function of natural killer cells, and immunoglobulin sythesis.
Description	A DNA sequence encoding the rat CD70 (D3ZGU3) (Gln46-Pro195) was produced, fused with Fc region of human IgG1 at the N-terminus.
Source	HEK293
Predicted N Terminal	Glu
AA Sequence	Gln46-Pro195
Molecular Weight	The recombinant rat CD70 comprises 410 amino acids and predicts a molecular mass of 45 kDa. The apparent molecular mass of the recombinant protein is approximately 55 kDa in SDS-PAGE under reducing conditions due to glycosylation.
Purity	Greater than 95% as determined by SDS-PAGE
Endotoxin	< 1.0 EU per μg of the protein as determined by the LAL method
Bioactivity	Immobilized mouse CD27-His at 10 ug/ml (100 ul/well) can bind rat Fc-CD70 with a linear range of 0.16-1.25 ug/ml.
Formulation	Lyophilized from sterile PBS, pH 7.4
Stability	Recombinnat Proteins are stable for up to 1 year from date of receipt at -70°C
Usage	For Research Use Only
Storage	Store recombinant protein under sterile conditions at -20°C to -80°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated 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.