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Your Position: Home > CD33 / Siglec-3 Molecule

Siglec-3 / CD33 Molecule Synonym Name


Siglec-3 / CD33 Protein Products

Cat No Species Product Description
CD3-H5226HumanHuman Siglec-3 / CD33 Protein
CD3-H5257HumanHuman Siglec-3 / CD33 Protein, Fc Tag
CD3-H82E7HumanBiotinylated Human Siglec-3 / CD33 Protein, Avi Tag (Avitag?)

Siglec-3 / CD33 Molecule Background

Myeloid?cell?surface?antigen CD33 is also known as SIGLEC3, Siglecs?(sialic?acid?binding?Ig?like?lectins) and?GP67, is a single-pass type I membrane protein which belongs to the?immunoglobulin superfamily and SIGLEC (sialic acid binding Ig-like lectin) family. Human CD33 / Siglec-3 cDNA encodes a 364 amino acid (aa) polypeptide with a hydrophobic signal peptide, an N-?terminal Ig-?like V?-type domain, one Ig?-like C2-?type domains, a transmembrane region and a cytoplasmic tail. CD33 / Siglec-3 usually considered myeloid-specific, but it can also be found on some lymphoid cells. In the immune response, CD33 / Siglec-3 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. CD33 / Siglec-3 induces apoptosis in acute myeloid leukemia.


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