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  • 产品名称：CD33Molecule(CD33)(AA18-259)(Active)protein(Histag)

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  • 产品厂商：ACROBiosystems
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简单介绍：
CD33Molecule(CD33)(AA18-259)(Active)protein(Histag)
详情介绍：
Characteristics This protein carries a polyhistidine tag at the C-terminus. The protein has a calculated MW of 27.6 kDa. The protein migrates as 40-45 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
Purity >95 % as determined by SDS-PAGE.
Sterility 0.22 μm filtered
Endotoxin Level Less than 1.0 EU per μg by the LAL method.
ProductDetails: Biological Activity Comment Biological Activity: Measured by the ability of the immobilized protein to support the adhesion of human red blood cells.The ED50 for this effect is typically 0.2-1.2 μg/mL.
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.
Molecular Weight 27.6 kDa
UniProt P20138
Restrictions For Research Use only
Format Lyophilized
Reconstitution Please see Certificate of Analysis for specific instructions. For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
Buffer PBS, pH 7.4
Handling Advice Avoid repeated freeze-thaw cycles.
Storage -20 °C
Storage Comment No activity loss was observed after storage at: In lyophilized state for 1 year (4 °C-8 °C), After reconstitution under sterile conditions for 1 month (4 °C-8 °C) or 3 months (-20 °C to -70 °C).
Supplier Images
SDS-PAGE (SDS) image for CD33 Molecule (CD33) (AA 18-259) (Active) protein (His tag) (ABIN2180756) CD33 Molecule (CD33) (AA 18-259) (Active) protein (His tag)
Background publications Robillard, Cavé, Méchinaud, Guidal, Garnache-Ottou, Rohrlich, Avet-Loiseau, Garand: "Four-color flow cytometry bypasses limitations of IG/TCR polymerase chain reaction for minimal residual disease detection in certain subsets of children with acute lymphoblastic leukemia." in: Haematologica, Vol. 90, Issue 11, pp. 1516-23, 2005 (PubMed).

Garnache-Ottou, Chaperot, Biichle, Ferrand, Remy-Martin, Deconinck, de Tailly, Bulabois, Poulet, Kuhlein, Jacob, Salaun, Arock, Drenou, Schillinger, Seilles, Tiberghien, Bensa, Plumas, Saas: "Expression of the myeloid-associated marker CD33 is not an exclusive factor for leukemic plasmacytoid dendritic cells." in: Blood, Vol. 105, Issue 3, pp. 1256-64, 2005 (PubMed).