Recombinant Human CD155 / PVR Protein (Fc Tag), Biotinylated

Name: Recombinant Human CD155 / PVR Protein (Fc Tag), Biotinylated
Brand: Beta LifeScience
SKU: BLPSN-0696
Availability: InStock

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

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Product Overview

Tag	Fc
Host Species	Human
Accession	NP_006496.3
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 PVR (PVR) (Met1-Asn343) was produced with the C-terminal fused Fc region of human IgG1. The purified protein was biotinylated in vitro.
Source	HEK293
Predicted N Terminal	Trp 21
AA Sequence	Met1-Asn343
Molecular Weight	The recombinant PVR of consists of 561 amino acids and predicts a molecular mass of 61.8 kDa.
Purity	Greater than 95% as determined by SDS-PAGE.
Endotoxin	< 1.0 EU per μg protein as determined by the LAL method.
Bioactivity	Please contact us for detailed information
Formulation	Lyophilized from sterile Sterile PBS.
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.