CD300E Human

CD300E Human Recombinant
Cat. No.
BT28758
Source
Escherichia Coli.
Synonyms
CD300e Molecule, CD300e Antigen, CD300LE, IREM2, CLM2, Immune Receptor Expressed On Myeloid Cells 2, Polymeric Immunoglobulin Receptor 2,CD300 Antigen Like Family Member E, CD300 Antigen-Like Family Member E,Poly-Ig Receptor 2, CMRF35-A5, PIgR2, CMRF35-Like Molecule 2, CMRF35A5, CD300E.
Appearance
Sterile Filtered clear solution.
Purity
Greater than 90.0% as determined by SDS-PAGE.
Usage
Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. They may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

CD300E Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 179 amino acids (18-173 a.a) and having a molecular mass of 19.9kDa.
CD300E is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Product Specs

Introduction
CMRF35-like molecule 2 precursor (CD300E) belongs to the CD300 family. It is a 205-amino acid, single-pass, type I membrane protein with one Ig-like V-type (immunoglobulin-like) domain. CD300E likely acts as an activating receptor through interaction with DAP12. It is expressed on the surface of mature hematopoietic cells, specifically those of the monocyte and myeloid lineages.
Description
Recombinant human CD300E, expressed in E. coli, is a single, non-glycosylated polypeptide chain. This protein comprises 179 amino acids (residues 18-173) and has a molecular weight of 19.9 kDa. For purification, a 23-amino acid His-tag is fused to the N-terminus of CD300E, and proprietary chromatographic techniques are employed.
Physical Appearance
A clear solution that has been sterilized by filtration.
Formulation
CD300E protein solution at a concentration of 1 mg/ml in 20 mM Tris-HCl buffer with a pH of 8.0.
Stability
For optimal storage, refrigerate at 4°C if the entire vial will be used within 2-4 weeks. For longer periods, store frozen at -20°C. The addition of a carrier protein (0.1% HSA or BSA) is recommended for long-term storage. Avoid repeated freeze-thaw cycles.
Purity
SDS-PAGE analysis indicates a purity exceeding 90.0%.
Synonyms
CD300e Molecule, CD300e Antigen, CD300LE, IREM2, CLM2, Immune Receptor Expressed On Myeloid Cells 2, Polymeric Immunoglobulin Receptor 2,CD300 Antigen Like Family Member E, CD300 Antigen-Like Family Member E,Poly-Ig Receptor 2, CMRF35-A5, PIgR2, CMRF35-Like Molecule 2, CMRF35A5, CD300E.
Source
Escherichia Coli.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSLKGPGSV TGTAGDSLTV WCQYESMYKG YNKYWCRGQY DTSCESIVET KGEEKVERNG RVSIRDHPEA LAFTVTMQNL NEDDAGSYWC KIQTVWVLDS WSRDPSDLVR VYVSPAITTP RRTTHPATPP IFLVVNPGRN LSTGEVLTQN SGFRLSSPH.

Product Science Overview

Structure and Expression

The CD300E protein is encoded by the CD300E gene (also known as CD300LE, CLM2, IREM2) . The recombinant human CD300E protein is typically expressed in HEK293 cells and consists of 394 amino acids, predicting a molecular mass of approximately 44.3 kDa . The protein is often produced with an Fc tag, which facilitates its purification and detection .

Function

CD300E acts as an activating receptor on myeloid cells. It interacts with the TYRO protein tyrosine kinase-binding protein, which is involved in signal transduction pathways that activate immune responses . The activation of CD300E can lead to various immune functions, including the production of cytokines and the enhancement of phagocytosis .

Clinical Relevance

The CD300 family, including CD300E, is emerging as an important group of regulators in the immune system. These proteins are involved in various immune responses and have potential clinical relevance in the context of immune-related diseases . Understanding the role of CD300E and other CD300 molecules can provide insights into the development of new therapeutic strategies for treating immune disorders.

Recombinant Production

Recombinant human CD300E protein is produced using DNA sequences encoding the protein, which are expressed in host cells such as HEK293 cells . The protein is then purified and formulated for various research and clinical applications. The recombinant protein is typically lyophilized and can be reconstituted for use in experiments .

Storage and Stability

Recombinant CD300E protein is stable for up to twelve months when stored at -20°C to -80°C under sterile conditions . It is recommended to aliquot the protein to avoid repeated freeze-thaw cycles, which can affect its stability and activity .

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