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10 Nm Colloidal Gold Labeled Protein A

Protein A-胶体金10nm;胶体金标记Protein A

分类:

二抗 - 胶体金标记二抗

说明书:

GA1054

380元/0.5ml  680元/1ml  

EM, IHC, ICC

Colloidal Gold Conjugated

现货

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Product Brief

  • Overview

    Product Name10 nm Colloidal Gold Labeled Protein A
    SKU/Catalog NumberGA1054
    DescriptionProtein A is a 42 kDa surface protein originally found in the cell wall of the bacteria Staphylococcus aureus. It is encoded by the spa gene and its regulation is controlled by DNA topology, cellular osmolarity, and a two-component system called ArlS-ArlR. It has found use in biochemical research because of its ability to bind immunoglobulins. It is composed of five homologous Ig-binding domains that fold into a three-helix bundle. Each domain is able to bind proteins from many mammalian species, most notably IgGs (Table 1). It binds the heavy chain within the Fc region of most immunoglobulins and also within the Fab region in the case of the human VH3 family. Through these interactions in serum, where IgG molecules are bound in the wrong orientation (in relation to normal antibody function), the bacteria disrupts opsonization and phagocytosis. Recombinant Protein A is produced in E.coli and essentially functions the same as native Protein A.
    Protein A may be conjugated with various reporter molecules, including fluorescent dyes (FITC), enzyme markers (peroxidase, b-galactosidase, and alkaline phosphatase), biotin, and colloidal gold without affecting the antibody binding site on the molecule. These conjugates are used to detect immunoglobulins in various immunochemical assays including Western blotting, immunohistochemistry, and ELISA applications.br> Protein A is conjugated to 10 nm colloidal gold. This gold conjugated protein A generates electron dense particles that are visible using electron microscopy.
    Cite This Product10 nm Colloidal Gold Labeled Protein A (Boster Biological Technology, Wuhan, CHINA, Catalog # GA1054)
    ApplicationEM, IHC, ICC

    Conjugate10 nm Colloidal Gold
    Pack Size0.5ml/1ml

    Properties

    StorageAt 4°C for one year.

Instructions

胶体金稀释液:PBS 或 TBS 缓冲液,加入试剂级 BSA 至 1%。 使用上述胶体金稀释液,免疫电镜按 1:20—50 稀释,免疫组化按 1:50—100 稀释。胶体金 稀释后溶液应于当天使用,未用完的应弃置。

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