Recombinant Human CD33 protein, hFc-tagged
Cat.No. : | CD33-345H |
Product Overview : | Recombinant Human CD33 protein(P20138-1)(Asp18-His259), fused with C-terminal hFc tag, was expressed in HEK293. |
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Source : | HEK293 |
Species : | Human |
Tag : | C-hFc |
Protein length : | Asp18-His259 |
Form : | Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 5% trehalose is added as protectant before lyophilization. |
Bio-activity : | Immobilized Human Siglec-3, hFc Tag at 0.5μg/ml (100μl/well) on the plate. Dose response curve for Biotinylated Anti-Siglec-3 Antibody, hFc Tag with the EC50 of 21.8ng/ml determined by ELISA. |
Molecular Mass : | The protein has a predicted MW of 53.6 kDa. Due to glycosylation, the protein migrates to 68-80 kDa based on Tris-Bis PAGE result. |
Endotoxin : | Less than 1EU per μg by the LAL method. |
Purity : | > 95% as determined by Tris-Bis PAGE; > 95% as determined by HPLC |
Storage : | Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. |
Reconstitution : | Centrifuge tubes before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in distilled water. |
Gene Name : | CD33 CD33 molecule [ Homo sapiens ] |
Official Symbol : | CD33 |
Synonyms : | CD33; CD33 molecule; CD33 antigen (gp67); myeloid cell surface antigen CD33; FLJ00391; p67; sialic acid binding Ig like lectin 3; SIGLEC 3; SIGLEC3; gp67; sialic acid binding Ig-like lectin 3; sialic acid-binding Ig-like lectin 3; SIGLEC-3; |
Gene ID : | 945 |
mRNA Refseq : | NM_001082618 |
Protein Refseq : | NP_001076087 |
MIM : | 159590 |
UniProt ID : | P20138 |
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Not For Human Consumption!
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Customer Reviews (3)
Write a reviewQuick dissolution, easy use.
Excellent solubility, no aggregates.
High concentration, very effective.
Q&As (7)
Ask a questionCertain polymorphisms in the CD33 gene can influence its expression on the cell surface, which might affect the efficacy of CD33-targeted therapies.
CD33 is a transmembrane receptor primarily expressed on cells of myeloid lineage and is involved in modulating cellular functions, including the regulation of cellular proliferation and differentiation.
CD33 is predominantly expressed on myeloid cells, especially on immature myeloid cells. Its expression decreases as these cells differentiate and is typically low or absent on lymphoid cells.
CD33 has been targeted for therapeutic antibodies in AML. An example is gemtuzumab ozogamicin, which targets CD33 and delivers a cytotoxic agent specifically to leukemia cells expressing CD33.
While the exact signaling pathways of CD33 are still under investigation, it is believed that CD33 signaling can influence the differentiation and function of myeloid cells, potentially playing a role in immune regulation.
CD33 is commonly expressed on the surface of AML blasts, making it a potential target for therapeutic interventions in AML.
The specific ligands for CD33 are not fully characterized, but it is believed to play a role in cell-cell interactions within the immune system.
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