Recombinant Mouse SLAMF8 Protein (His Tag)

Name: Recombinant Mouse SLAMF8 Protein (His Tag)
Brand: Beta LifeScience
SKU: BLPSN-4282
Availability: InStock

Collections: Other recombinant proteins, Others immune checkpoint proteins, Recombinant proteins

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Product Overview

Tag	His
Host Species	Mouse
Accession	NP_083360.2
Synonym	5830408F06Rik, Blame, SBBI42
Background	The signaling lymphocyte activation molecule (SLAM) family includes homophilic and heterophilic receptors that modulate both adaptive and innate immune responses. These receptors share a common ectodomain organization: a membrane-proximal immunoglobulin constant domain and a membrane-distal immunoglobulin variable domain that is responsible for ligand recognition. SLAM family of receptors is expressed by a wide range of immune cells. Through their cytoplasmic domain, SLAM family receptors associate with SLAM-associated protein (SAP)-related molecules, a group of cytoplasmic adaptors composed almost exclusively of an SRC homology 2 domain. SLAM family receptors, in association with SAP family adaptors, have crucial roles during normal immune reactions in innate and adaptive immune cells. Mouse SLAM family member 8, also known as B-lymphocyte activator macrophage expressed, BCM-like membrane protein, SLAMF8 and BLAME, is a single-pass type I membrane protein. It contains oneIg-like C2-type (immunoglobulin-like) domain. SLAMF8 / BLAME is expressed in lymph node, spleen, thymus and bone marrow. It may play a role in B-lineage commitment and/or modulation of signaling through the B-cell receptor.
Description	A DNA sequence encoding the mouse SLAMF8 (NP_083360.2) extracellular domain (Met 1-Asp 231) was fused with the a His tag at the C-terminus.
Source	HEK293
Predicted N Terminal	Val 21
AA Sequence	Met 1-Asp 231
Molecular Weight	The secreted recombinant mouse SLAMF8 consists of 222 a.a. and has a predicted molecular mass of 24.8 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of rmSLAMF8 is approximately 33-38 kDa due to glycosylation.
Purity	>80% 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 biotinylated mouse SLAMF8 in a functional ELISA.
Formulation	Lyophilized from sterile PBS, pH 7.4.
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.