Recombinant Mouse S100A8 Protein (His Tag)

Name: Recombinant Mouse S100A8 Protein (His Tag)
Brand: Beta LifeScience
SKU: BLPSN-4135
Availability: InStock

Collections: Other recombinant proteins, Recombinant proteins

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Product Overview

Tag	His
Host Species	Mouse
Accession	P27005
Synonym	60B8Ag, AI323541, B8Ag, Caga, CFAg, CP-10, MRP8, p8
Background	S1A8 is a member of the S1 protein family containing 2EF-hand calcium-binding motifs. S1 proteins are involved in the regulation of a number of cellular processes such as cell cycle progression and differentiation. Altered expression of S1A8 protein is associated with various diseases and cancers. S1A8 may have an immunoregulatory role by contributing to the regulation of fetal-maternal interactions. It may play a protective role and its absence may allow infiltration by maternal cells, a process eventually manifesting as resorption. The heterodimeric S1 protein complex S1A8/A9 which has been shown to be involved in inflammatory and neoplastic disorders. The complex can induce cell proliferation, or apoptosis, inflammation, collagen synthesis, and cell migration. S1A8/A9 has emerged as important pro-inflammatory mediator in acute and chronic inflammation. More recently, increased S1A8 and S1A9 levels were also detected in various human cancers, presenting abundant expression in neoplastic tumor cells as well as infiltrating immune cells. On the one hand, S1A8/A9 is a powerful apoptotic agent produced by immune cells, making it a very fascinating tool in the battle against cancer. It spears the risk to induce auto-immune response and may serve as a lead compound for cancer-selective therapeutics. In contrast, S1A8/A9 expression in cancer cells has also been associated with tumor development, cancer invasion or metastasis. Altogether, its expression and potential cytokine-like function in inflammation and in cancer suggests that S1A8/A9 may play a key role in inflammation-associated cancer.
Description	A DNA sequence encoding the mouse S100a8 (P27005) (Pro2-Glu89) was expressed, with a His tag at the N-terminus.
Source	E.coli
Predicted N Terminal	His
AA Sequence	Pro2-Glu89
Molecular Weight	The recombinant mouse S100a8 consists of 104 a.a. and predicts a molecular mass of 12.3 KDa. It migrates as an approximately 12 KDa band in SDS-PAGE under reducing conditions.
Purity	>95% as determined by SDS-PAGE
Endotoxin	Please contact us for more information.
Bioactivity	Please contact us for detailed information
Formulation	Lyophilized from sterile 50mM Tris, 100mM NaCl, 20% Glycerol, pH 8.0..
Stability	The recombinant proteins are stable for up to 1 year from date of receipt at -70°C.
Usage	For Research Use Only
Storage	Store the 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.