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SIRP gamma Protein, Human, Recombinant (His)

Catalog No. TMPY-01853

SIRP gamma Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 38.5 kDa and the accession number is Q9P1W8-1.

SIRP gamma Protein, Human, Recombinant (His)

SIRP gamma Protein, Human, Recombinant (His)

Catalog No. TMPY-01853
SIRP gamma Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 38.5 kDa and the accession number is Q9P1W8-1.
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100 μg$249In Stock
200 μg$4427-10 days
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Product Information

Biological Activity
Measured by its binding ability in a functional ELISA. Immobilized human SIRPG-His at 10 μg/ml (100 μl/well) can bind human CD47-Fc , The EC50 of human CD47-Fc is 0.58-1.34 μg/ml.
SIRP gamma Protein, Human, Recombinant (His)
Description
SIRP gamma Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 38.5 kDa and the accession number is Q9P1W8-1.
Species
Human
Expression System
HEK293 Cells
TagC-His
Accession NumberQ9P1W8-1
Synonyms
SIRPγ,SIRPgamma,SIRP-B2,SIRPB2,SIRP γ/SIRPG,signal-regulatory protein γ,signal-regulatory protein gamma,CD172g,bA77C3.1
Construction
A DNA sequence encoding the human SIRPG (NP_061026.2) extracellular domain (Met1-Ser364) was expressed with a polyhistidine tag at the C-terminus. Predicted N terminal: Glu 29
Protein Purity
≥ 96 % as determined by SDS-PAGE. ≥ 90 % as determined by SEC-HPLC.
SIRP gamma Protein, Human, Recombinant (His)SIRP gamma Protein, Human, Recombinant (His)
Molecular Weight38.5 kDa (predicted); 45-48 kDa (reducing condition, due to glycosylation)
Endotoxin< 1.0 EU/μg of the protein as determined by the LAL method.
FormulationLyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH 7.4. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
Reconstitution
A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
Stability & Storage
It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
ShippingIn general, Lyophilized powders are shipping with blue ice.
Research Background
Signal-regulatory protein gamma (SIRPG/SIRP gamma) also known as CD172 antigen-like family member B, CD172g, and CD172g antigen, is a member of the signal-regulatory protein (SIRP) family, and also belongs to the immunoglobulin superfamily. SIRP family members are receptor-type transmembrane glycoproteins known to be involved in the negative regulation of receptor tyrosine kinase-coupled signaling processes. SIRPG/SIRP gamma/CD172g is a probable immunoglobulin-like cell surface receptor. On binding with CD47, SIRPG can mediate cell-cell adhesion. SIRPG/SIRP gamma is engagement on T-cells by CD47 on antigen-presenting cells results in enhanced antigen-specific T-cell proliferation and costimulates T-cell activation. SIRPG/SIRP gamma/CD172g is detected in liver, and at very low levels in brain, heart, lung, pancreas, kidney, placenta and skeletal muscle. Expressed on CD4+ T-cells, CD8+ T-cells, CD56-bright natural killer (NK) cells, CD20+ cells, and all activated NK cells. This cytokine is mainly present in the paracortical T-cell area of lymph nodes, with only sparse positive cells in the mantle and in the germinal center of B-cell follicles. In the thymus, SIRPG is primarily expressed in the medulla on mature T-lymphocytes that have undergone thymic selection.

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