|Application ||WB, IHC-P, IF, E|
|Other Accession||NP_443116, 205830470|
|Calculated MW||75795 Da|
|Application Notes||Siglec11 antibody can be used for detection of Siglec11 by Western blot at 1 µg/mL. Despite its predicted size, Siglec11 migrates at a higher than expected molecular weight in SDS-PAGE. Antibody can also be used for immunohistochemistry starting at 5 µg/mL. For immunofluorescence start at 20 µg/mL.|
|Reconstitution & Storage||Siglec11 antibody can be stored at 4℃ for three months and -20℃, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures.|
|Precautions||Siglec11 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Putative adhesion molecule that mediates sialic-acid dependent binding to cells. Preferentially binds to alpha-2,8- linked sialic acid. The sialic acid recognition site may be masked by cis interactions with sialic acids on the same cell surface. In the immune response, may act as an inhibitory receptor upon ligand induced tyrosine phosphorylation by recruiting cytoplasmic phosphatase(s) via their SH2 domain(s) that block signal transduction through dephosphorylation of signaling molecules.|
|Cellular Location||Membrane; Single-pass type I membrane protein|
|Tissue Location||Expressed by macrophages in various tissues including Kupffer cells. Also found in brain microglia|
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Provided below are standard protocols that you may find useful for product applications.
Siglec11 Antibody: Siglecs are sialic acid-binding lectins of the immunoglobulin superfamily that are mainly expressed in cells of the hematopoietic system. Siglec11 is unlike other siglecs in that it binds specifically to alpha2-8-linked sialic acids and is not found in peripheral blood leukocytes but instead on macrophages of various tissues. Siglec11 is highly homologous to Siglec10 over their extracellular domain but not over their cytoplasmic domain, suggesting that Siglec11 arose through gene duplication followed by a recombination event involving another ancestral siglec gene. Following treatment of Siglec11-transfected cells with pervanadate, Siglec11 becomes tyrosine-phosphorylated and strongly associates with SHP-1 and SHP-2. At least five isoforms of Siglec11 are known to exist. Siglec11 antibody will not cross-react with Siglec10.
Crocker PR and Varki A. Siglecs, sialic acids, and innate immunity. Trends Immunol.2001; 22:337-42.
Angata T, Kerr SC, Greaves DR, et al. Cloning and characterization of human siglec-11. A recently evolved signaling molecule that can interact with SHP-1 and SHP-2 and is expressed by tissue macrophages, including brain microglia. J. Biol. Chem.2002; 27:24466-74.
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