PE-Labeled Human Siglec-3 / CD33 Protein, His Tag (Site-specific conjugation)

製品番号/仕様
価格
数量
CD3-HP2E3-25tests
$415.00
CD3-HP2E3-200tests
$2570.00
ETA of in-stock products:2 business days
総アイテム数 製品金額$ 0

製品詳細

  • Synonyms

    CD33, SIGLEC3, gp67

  • Source

    PE-Labeled Human Siglec-3, His Tag (CD3-HP2E3) is produced via site-specific conjugation of PE to Human Siglec-3, His Tag under optimal conditions with a proprietary technology. Human Siglec-3, His Tag is expressed from human 293 cells (HEK293). It contains AA Asp 18 - His 259 (Accession # AAH28152.1).

    Predicted N-terminus: Asp 18

    Request for sequence

  • Molecular Characterization

    Siglec-3 Structure

    Other Tags and Version Biotin & Other Labeled Version

    This protein carries a polyhistidine tag at the C-terminus.

    The protein has a calculated MW of 29.4 kDa.

  • Conjugate

    PE

    Excitation Wavelength: 488 nm / 561 nm

    Emission Wavelength: 575 nm

  • Application

    Evaluation of anti-CD33 CAR expression by flow cytometry. Please note that this product is NOT compatible to streptavidin detection system.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, 0.5% BSA, pH7.4 with trehalose as protectant.

    Contact us for customized product form or formulation.

  • 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.

  • Shipping and Storage

    This product is shipped at ambient temperature.

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please protect from light and avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
  • ACRO Quality Management System

    1. QMS(ISO, GMP)
    2. Quality Advantages
    3. Quality Control Process

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データ表示

  • Bioactivity-FACS

     Siglec-3 FACS

    5e5 of anti-Siglec-3 CAR-293 cells were stained with 100 μL of 1:50 dilution (2 μL stock solution in 100 μL FACS buffer) of PE-Labeled Human Siglec-3, His Tag (Cat. No. CD3-HP2E3) and negative control protein respectively. PE signal was used to evaluate the binding activity (QC tested).

    Protocol

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コメントを投稿

  • E***g2023-01-18
    いいね
    We purchased this reagent for use in detecting CD33 CAR expression and it worked as advertised. The PE signal gave great separation by flow cytometry and allowed for the clear detection of CAR expression on the surface of our cells. The product page states that the CD33 PE reagent is incompatible with streptavidin-biotin detection systems. When we tried to co-stain with another biotinylated reagent, subsequent application of streptavidin-APC resulted in high non-specific APC staining. This could be avoided by staining with CD33 PE after all other staining steps have been completed.
  • S***s2023-01-12
    いいね
    We purchased this antibody to use for flow cytometry on a client study, who specifically requested Acro antibodies! They are reliable and have continued to be one of our top providers of antibodies. We typically use multiple fluorescent antibodies with various protein targets and fluorophores at once for flow cytometry panels in human and mouse tissues, and Acro antibodies have always given us a great readout.

バックグランド

Myeloid cell surface antigen CD33 is also known as SIGLEC3, Siglecs (sialic acid binding Ig­like 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.

最新の進展

 
医薬品開発の進捗
  • 英語名:

    Myeloid cell surface antigen CD33

  • カテゴリ:

  • 市販の医薬品数:

    1 詳細

  • 治験医薬品数:

    44 詳細

  • 最新の開発ステージ:

    Approved

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