Human NCR3 / NKp300 Protein (His & Fc Tag)

1C7,CD337,DAAP-90L16.3,LY117,MALS,NCR3,NKp30

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Catalog Number	P10480-H03H
Organism Species	Human
Host	Human Cells
Synonyms	1C7,CD337,DAAP-90L16.3,LY117,MALS,NCR3,NKp30
Molecular Weight	The recombinant human NCR3/Fc is a disulfide-linked homodimer after removal of the signal peptide. The reduced monomer consists of 365 amino acids and has a predicted molecular mass of 41 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of rh NCR3/Fc monomer is approximately 50-55 kDa due to glycosylation.
predicted N	Leu 19
SDS-PAGE
Purity	> 97 % as determined by SDS-PAGE
Protein Construction	A DNA sequence encoding the extracellular domain (Met 1-Gly 135) of human NCR3 (NP_667341.1) precursor was fused with the C-terminal polyhistidine-tagged Fc region of human IgG1 at the C-terminus.
Bio-activity
Research Area	Immunology |Innate Immunity |Natural Killer Cell (NK Cell)
Formulation	Lyophilized from sterile PBS, pH 7.4 1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
Background	Natural Cytotoxicity Triggering Receptor 3, NCR3, also known as NKp30, or CD337, is a natural cytotoxicity receptor, expressed on subsets of human peripheral blood NK cells, involved in NK cell killing of tumor cells and immature dendritic cells. The cellular ligand for NKp30 has remained elusive, but the membrane-associated heparan sulfate (HS) proteoglycans are involved in the recognition of cellular targets by NKp30 was recently reported. NKp30 is a member of the immunoglobulin superfamily and one of three existing natural cytotoxicity-triggering receptors. NKp30 is a glycosylated protein and is thought to be selectively expressed in resting and activated natural killer cells. NKp30 is a stimulatory receptor on human NK cells implicated in tumor immunity, and is capable of promoting or terminating dendritic cell maturation. NCR3 may play a role in inflammatory and infectious diseases.
Reference	Warren HS, et al. (2005) Evidence that the cellular ligand for the human NK cell activation receptor NKp30 is not a heparan sulfate glycosaminoglycan. J Immunol. 175(1): 207-12. Mulcahy H, et al. (2006) LST1 and NCR3 expression in autoimmune inflammation and in response to IFN-gamma, LPS and microbial infection. Immunogenetics. 57(12): 893-903. Hsieh CL, et al. (2006) NKp30 is a functional activation receptor on a subset of rat natural killer cells. Eur J Immunol. 36(8): 2170-80. Ponnampalam AP, et al. (2008) Identification and hormonal regulation of a novel form of NKp30 in human endometrial epithelium. Eur J Immunol. 38(1): 216-26.