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Claudin 18.2 (AA 1-261) (Active) protein-VLP (Biotin)

宿主: 人 宿主: HEK-293 Cells VLP > 95 % as determined by HPLC ELISA, Func, Imm, SPR Active
产品编号 ABIN7448161
发货至: 中国
  • 抗原
    Claudin 18.2
    蛋白类型
    VLP
    生物活性
    Active
    产品特性
    AA 1-261
    宿主
    • 7
    • 1
    资源
    • 5
    • 3
    HEK-293 Cells
    标记
    Biotin
    应用范围
    ELISA, Functional Studies (Func), Immunogen (Imm), Surface Plasmon Resonance (SPR)
    原理
    Biotinylated Human Claudin 18.2 Protein-VLP
    序列
    Met1-Val261
    产品特性
    Recombinant Biotinylated Full length Human Claudin 18.2 Protein-VLP is expressed from HEK293.It contains Met1-Val261.
    纯度
    > 95 % as determined by HPLC
    过滤
    0.22 μm filtered
    内毒素水平
    Less than 1EU per μg by the LAL method.
    Biological Activity Comment
    The affinity constant of 1.28 nM as determined in SPR assay (Biacore T200).
  • 应用备注
    • Antibody Discovery: Immunization, Screening, Functional Characterization
    • Affinity determination: ELISA, SPR
    • In vivo pharmacokinetic analysis
    • CMC method development
    • CAR-T Positive Rate Detection
    • Blood sample determination: ELISA
    说明

    Virus-like particles (VLPs) are formed from the outer capsid protein of a virus and are tiny nanoparticles formed by the automatic assembly of one or more capsid proteins. VLPs do not contain viral infectious genomes, so they are relatively safe during production operations. The SAMS™ protein engineering platform has been used to express a series of biotinylated, non-biotinylated, and fluorescently-labeled VLP-displayed antigens. They are suitable for SPR, ELISA, CAR-T positive rate detection, and other experimental scenarios.

    Virus-Like Particles (VLPs) are highly immunogenic, meaning that they can elicit a strong immune response in the host. VLPs are recognized by the immune system and are taken up by antigen-presenting cells (APCs) such as dendritic cells. Once taken up by APCs, VLPs are processed and presented to T cells, which can trigger the activation of B cells to produce antibodies against the displayed antigen. Because VLPs resemble the structure and composition of native viruses, they are highly effective at inducing both humoral and cellular immune responses.

    Generally, VLPs range in size from approximately 20 to 200 nanometers (nm). Compared to a cell-based immunization approach, their smaller size can optimize the immune response to target the specific antigen displayed on the surface of the engineered VLPs.

    限制
    仅限研究用
  • 状态
    Liquid
    缓冲液
    Supplied as 0.22μm filtered solution in PBS ( pH 7.4).
    储存条件
    -80 °C
    储存方法
    Valid for 12 months from date of receipt when stored at -80°C., Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.
    有效期
    12 months
  • 抗原
    Claudin 18.2
    背景
    Claudin18(CLDN18) belongs to the large claudin family of proteins, which form tight junction strands in epithelial cells.CLDN18 is specifically expressed in the stomach and lung. CLDN18 has two alternatively spliced variants,CLDN18.1 and CLDN18.2. Isoform 2 (Claudin 18.2) is abundant in gastric tumors.
    分子量
    29 kDa.
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