Recombinant Mouse CD155 / PVR Protein (His Tag)

Name: Recombinant Mouse CD155 / PVR Protein (His Tag)
Brand: Beta LifeScience
SKU: BLPSN-0700
Availability: InStock

Collections: Cluster of differentiation (cd) proteins, Co-inhibitory receptors, Featured cd protein molecules, Featured immune checkpoint protein molecules, Immune checkpoint proteins, Recombinant proteins

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Product Overview

Tag	His
Host Species	Mouse
Accession	NP_081790.1
Synonym	PVR, CD155, HVED, NECL5, Necl-5, PVS, TAGE4, poliovirus receptor, PVR cell adhesion molecule
Background	CD155 is a Type I transmembrane glycoprotein in the immunoglobulin superfamily. Commonly known as Poliovirus Receptor (PVR) due to its involvement in the cellular poliovirus infection in primates, CD155's normal cellular function is in the establishment of intercellular adherens junctions between epithelial cells. The role of CD155 in the immune system is unclear, though it may be involved in intestinal humoral immune responses.
Description	A DNA sequence encoding the mouse CD155 (NP_081790.1) precursor (Met 1-Arg 345) was produced with a C-terminal His tag.
Source	HEK293
Predicted N Terminal	Gly 28
AA Sequence	Met 1-Arg 345
Molecular Weight	The secreted recombinant mouse CD155 generated after removal of the signal peptide comprises 329 amino acids with a predicted molecular mass of 28 kDa. As a result of glycosylation, it migrates as an approximately 60-65 kDa band in SDS-PAGE under reducing conditions.
Purity	Greater than 97% as determined by SDS-PAGE
Endotoxin	< 1.0 EU per μg of the protein as determined by the LAL method
Bioactivity	Measured by its ability to bind recombinant mouse CD226/DNAM-1.Immobilized recombinant mouse CD155/PVR at 1 ug/ml (100 ul/well) can bind recombinant mouse CD226/DNAM-1 with a linear range of 0.78-100 ng/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.