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Recombinant Cynomolgus CD33 Protein (Met1-Gly248), His-tagged, Biotinylated

Cat.No.: CD33-1081C
Product Overview: Recombinant Cynomolgus CD33 Protein (XP_005590138.1) (Met1-Gly248) was produced by HEK293 Cells expression system. This protein was expressed with a polyhistidine tag at the C-terminus. The purified protein was biotinylated in vitro. Cynomolgus and Rhesus CD33 sequences are identical.
Description: Myeloid cell surface antigen CD33 also known as Sialic acid binding Ig-like lectin 3, CD33 antigen or Siglec-3, is a member of the immunoglobulin superfamily and SIGLEC (sialic acid binding Ig-like lectin) family. This Single-pass type I membrane protein contains 1 Ig-like C2-type (immunoglobulin-like) domain and 1 Ig-like V-type (immunoglobulin-like) domain. CD33 /Siglec-3 is a putative adhesion molecule of myelomonocytic-derived cells that mediates sialic-acid dependent binding to cells. CD33 /Siglec-3 preferentially binds to alpha-2,6-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. CD33/Siglec-3 induces apoptosis in acute myeloid leukemia (in vitro). CD33/Siglec-3 can function as a sialic acid-dependent cell adhesion molecule and that binding can be modulated by endogenous sialoglycoconjugates when CD33 is expressed in a plasma membrane.
Source: HEK293
Species: Cynomolgus
Tag : His
Predicted N Terminal: Met 16
Form: Lyophilized from sterile PBS, pH 7.4. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Molecular Mass: The recombinant cynomolgus/rhesus CD33 consists of 244 amino acids and predicts a molecular mass of 27.3 KDa.
Protein length: Met1-Gly248
Endotoxin: < 1.0 EU per μg protein as determined by the LAL method.
Purity: > 95 % as determined by SDS-PAGE.
Stability: Samples are stable for up to twelve months from date of receipt at -70 centigrade.
Storage: Store it under sterile conditions at -20 centigrade to -80 centigrade. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution: It is recommended that sterile water be added to the vial to prepare a stock solution of 0.2 mg/ml. Centrifuge the vial at 4ºC before opening to recover the entire contents.
Shipping: In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Gene Name: CD33 CD33 molecule [ Macaca fascicularis (crab-eating macaque) ]
Official Symbol: CD33
Gene ID: 102117580
mRNA Refseq: XM_005590081
Protein Refseq: XP_005590138

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