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  5. CD150/SLAMF1 Protein, Rat (HEK293, His)

CD150/SLAMF1 Protein, Rat (HEK293, His)

Cat. No.: HY-P76075
Handling Instructions

The CD150/SLAMF1 protein is an autoligand receptor in the SLAM family that complexly regulates the activation and differentiation of immune cells and is critical for innate and adaptive immune responses. CD150/SLAMF1 exhibits unique signaling in T lymphocytes and B cells through fine-tuning of cytoplasmic adapter proteins including SH2D1A/SAP and/or SH2D1B/EAT-2. CD150/SLAMF1 Protein, Rat (HEK293, His) is the recombinant rat-derived CD150/SLAMF1 protein, expressed by HEK293 , with C-His labeled tag. The total length of CD150/SLAMF1 Protein, Rat (HEK293, His) is 242 a.a., with molecular weight of 44-47 kDa.

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Description

The CD150/SLAMF1 protein is an autoligand receptor in the SLAM family that complexly regulates the activation and differentiation of immune cells and is critical for innate and adaptive immune responses. CD150/SLAMF1 exhibits unique signaling in T lymphocytes and B cells through fine-tuning of cytoplasmic adapter proteins including SH2D1A/SAP and/or SH2D1B/EAT-2. CD150/SLAMF1 Protein, Rat (HEK293, His) is the recombinant rat-derived CD150/SLAMF1 protein, expressed by HEK293 , with C-His labeled tag. The total length of CD150/SLAMF1 Protein, Rat (HEK293, His) is 242 a.a., with molecular weight of 44-47 kDa.

Background

The CD150/SLAMF1 protein functions as a self-ligand receptor within the signaling lymphocytic activation molecule (SLAM) family, engaging in homo- or heterotypic cell-cell interactions that modulate the activation and differentiation of a diverse array of immune cells. This involvement positions CD150/SLAMF1 at the core of the regulatory network governing both innate and adaptive immune responses. The protein's activities are finely regulated by the presence or absence of small cytoplasmic adapter proteins, including SH2D1A/SAP and/or SH2D1B/EAT-2. CD150/SLAMF1 exhibits distinct signal-transduction events in T-lymphocytes compared to B-cells, with two discernible modes of signaling. One mode depends on SH2D1A (and perhaps SH2D1B), while the other operates through protein-tyrosine phosphatase 2C (PTPN11)-dependent signal transduction. Initially proposed to associate with SH2D1A to prevent binding to inhibitory effectors, such as INPP5D/SHIP1 and PTPN11/SHP-2, signaling is also regulated by SH2D1A, which can interact with and recruit FYN, subsequently phosphorylating and activating CD150/SLAMF1. The protein plays crucial roles in immune responses, inducing IL-2-independent proliferation of activated T-cells and promoting IFN-gamma production. Downstream signaling involves INPP5D, DOK1, and DOK2, inhibiting IFN-gamma production in T-cells, and PRKCQ, BCL10, and NFKB1, enhancing T-cell activation and Th2 cytokine production. CD150/SLAMF1 also facilitates T-cell receptor-induced IL-4 secretion and inhibits antigen receptor-mediated IFN-gamma production in CD4(-)/CD8(-) T-cells. It is essential for IL-4 production by germinal center T follicular helper cells and may inhibit CD40-induced signal transduction in monocyte-derived dendritic cells. Additionally, CD150/SLAMF1, in conjunction with SLAMF6 and CD84/SLAMF5, may serve as a negative regulator of the humoral immune response. In the context of microbial infection, the protein participates in the innate immune response against Gram-negative bacteria in macrophages, likely recognizing bacterial surface components and regulating phagosome maturation, leading to increased NOX2 activity in the phagosomes.

Species

Rat

Source

HEK293

Tag

C-His

Accession

D3ZAD7 (M1-L242)

Gene ID

498286  [NCBI]

Molecular Construction
N-term
SLAMF1 (M1-L242)
Accession # D3ZAD7
His
C-term
Synonyms
Signaling Lymphocytic Activation Molecule; CDw150; IPO-3; CD150; SLAMF1; SLAM
Molecular Weight

44-47 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE

Endotoxin Level

<1 EU/μg, determined by LAL method.

Documentation
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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CD150/SLAMF1 Protein, Rat (HEK293, His)
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HY-P76075
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