Recombinant Mouse LY6E/SCA-2 Protein (Tagged)

Beta LifeScience SKU/CAT #: BLA-9944P

Recombinant Mouse LY6E/SCA-2 Protein (Tagged)

Beta LifeScience SKU/CAT #: BLA-9944P
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Product Overview

Host Species Mouse
Accession Q64253
Synonym Ly-6E Retinoic acid-induced gene E protein RIG-E SCA-2 Stem cell antigen 2 Thymic shared antigen 1 TSA-1
Description Recombinant Mouse LY6E/SCA-2 Protein (Tagged) was expressed in E.coli. It is a Full length protein
Source E.coli
Molecular Weight 23 kDa including tags
Purity >90% SDS-PAGE.
Endotoxin < 1.0 EU per μg of the protein as determined by the LAL method
Formulation Liquid Solution
Stability The recombinant protein samples are stable for up to 12 months at -80°C
Reconstitution See related COA
Unit Definition For Research Use Only
Storage Buffer Shipped at 4°C. Store at -20°C or -80°C. Avoid freeze / thaw cycle.

Target Details

Target Function GPI-anchored cell surface protein that regulates T-lymphocytes proliferation, differentiation, and activation. Regulates the T-cell receptor (TCR) signaling by interacting with component CD3Z/CD247 at the plasma membrane, leading to CD3Z/CD247 phosphorylation modulation. Restricts the entry of murine coronavirus, mouse hepatitis virus, by interfering with spike protein-mediated membrane fusion. Plays also an essential role in placenta formation by acting as the main receptor for syncytin-A (SynA). Therefore, participates in the normal fusion of syncytiotrophoblast layer I (SynT-I) and in the proper morphogenesis of both fetal and maternal vasculatures within the placenta. May also act as a modulator of nicotinic acetylcholine receptors (nAChRs) activity. In vitro inhibits alpha-3:beta-4-containing nAChRs maximum response.
Subcellular Location Cell membrane; Lipid-anchor, GPI-anchor.
Database References
Tissue Specificity Ubiquitously expressed in mouse adult tissues with maximal expression in the lung and the salivary gland. Expression is strikingly lower in the fetal tissues except for the placenta. Present in thymus where its expression is observed in immature thymocyte

Gene Functions References

  1. Knocking down Ly6e greatly reduced SynA-induced cell fusion, thus suggesting that Ly6e is the sole receptor for SynA in vivo. PMID: 28679758
  2. Sca-2 -- a signal transducer situated at the nexus of surface molecules regulating death receptor-mediated apoptosis in hepatoma PMID: 15170814


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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.

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