CD33/SIGLEC-3 Active Protein | CD33 active protein

Human CellExp CD33 / SIGLEC-3, human recombinant

Cat. Num. AAA844963

• Gene Names: CD33; p67; SIGLEC3; SIGLEC-3
• Applications: SDS-Page
• Purity: >=95%
• Synonyms: CD33/SIGLEC-3; Human CellExp CD33 / SIGLEC-3; human recombinant; CD33; SIGLEC3; gp67; CD33 active protein

• Host: HEK293 cells
• Purity/Purification: >=95%
• Form/Format: Lyophilized from 0.22 mum filtered solution in PBS, pH7.4. Generally 5-8% Mannitol or trehalose is added as a protectant before lyophilization.; Appearance: Lyophilized
• Sequence Length: 237

• Applicable Applications for CD33 active protein: SDS-PAGE
• Solubility/Reconstitution Instructions: Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 ug/ml. Do not vortex. This solution can be stored at 2-8 degree C for up to 1 month. For extended storage, it is recommended to store at -20 degree C.
• Endotoxin Level: <1 EU/mug by LAL method
• 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 mug/ml.
• Results: 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 mug/ml.
• Handling: Centrifuge the vial prior to opening.
• Preparation and Storage: At -20 degree C; Shelf Life: 12 months

Testing Data

Related Product Information for CD33 active protein

Background: Myeloid cell surface antigen CD33 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.

Product Categories/Family for CD33 active protein

Proteins and Enzymes; Human cell expressed recombinant proteinsProteins and Enzymes; Cytokines; Growth Factors & Hormones; CDsProteins and Enzymes; Cytokines; Growth Factors & Hormones; Cytokines & Growth Factors (A-Z) Proteins and Enzymes; Proteins and E

NCBI and Uniprot Product Information

• NCBI GI #: 130980072
• NCBI GeneID: 945
• NCBI Accession #: NP_001076087.1
• NCBI GenBank Nucleotide #: NM_001082618.1
• UniProt Accession #: P20138; Q8TD24; B4E3P8; C9JEN7; F8WAL2
• Molecular Weight: This protein is fused with C-terminal 6×His tag, has a calculated MW of 27.6 kDa expressed. The predicted N-terminus is Asp 18. Protein migrates as 40-45 kDa in reduced SDS-PAGE.
• NCBI Official Full Name: myeloid cell surface antigen CD33 isoform 2
• NCBI Official Synonym Full Names: CD33 molecule
• NCBI Official Symbol: CD33
• NCBI Official Synonym Symbols: p67; SIGLEC3; SIGLEC-3
• NCBI Protein Information: myeloid cell surface antigen CD33
• UniProt Protein Name: Myeloid cell surface antigen CD33
• Protein Family: Myeloid cell surface antigen
• UniProt Gene Name: CD33
• UniProt Synonym Gene Names: SIGLEC3; Siglec-3
• UniProt Entry Name: CD33_HUMAN

Uniprot Description

CD33: Putative adhesion molecule of myelomonocytic-derived cells that mediates sialic-acid dependent binding to cells. 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. Induces apoptosis in acute myeloid leukemia (in vitro). Belongs to the immunoglobulin superfamily. SIGLEC (sialic acid binding Ig-like lectin) family.

Protein type: Cell adhesion; Membrane protein, integral

Chromosomal Location of Human Ortholog: 19q13.3

Cellular Component: integral to plasma membrane; plasma membrane; external side of plasma membrane

Molecular Function: protein binding; receptor activity; carbohydrate binding

Biological Process: negative regulation of cell proliferation; cell-cell signaling; signal transduction; cell adhesion