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

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CD3-HP2E3-25tests
¥3520.00
CD3-HP2E3-200tests
¥21840.00
合计0件 产品金额¥ 0

产品详情

  • 分子别名(Synonym)

    CD33,SIGLEC3,gp67

  • 表达区间及表达系统(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

  • 蛋白结构(Molecular Characterization)

    Siglec-3 Structure

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

    The protein has a calculated MW of 29.4 kDa.

  • 偶联(Conjugate)

    PE

    Excitation Wavelength: 488 nm / 561 nm

    Emission Wavelength: 575 nm

  • 应用说明(Application)

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

  • 制剂(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.

  • 重构方法(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.

  • 存储(Storage)

    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.
  • 质量管理控制体系(QMS)

    1. 质量管理体系(ISO, GMP)
    2. 质量优势
    3. 质控流程

数据展示

  • 活性(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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背景介绍

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.

前沿进展

 
药物研发进展
  • 英文全称:

    Myeloid cell surface antigen CD33

  • 中文全称:

    髓系细胞表面抗原CD33

  • 种类:

  • 上市药物数量:

    1 详情

  • 临床药物数量:

    35 详情

  • 最高研发阶段:

    批准上市

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