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Protein A & G

Protein A and G are immunoglobulin-binding proteins of microbial origin that bind to mammalian immunoglobulins. Our Protein A is isolated from the bacteria Staphylococcus aureus while our Protein G is produced recombinantly. The high-affinity of protein A and protein G for the Fc region of polyclonal and monoclonal IgG-type antibodies forms the basis for purification of IgG, IgG fragments containing the Fc region, and IgG subclasses.

Protein A binds the Fc portion of human IgG1, IgG2, and IgG4, mouse IgG2a and IgG2b, and rabbit, porcine, guinea pig, and canine IgG. Protein G binds IgG including all human and mouse subclasses but does not bind IgM, IgA, IgE, or bovine serum albumin.

4 Items

Set Ascending Direction
  1. 7406-01S, 7406-01L
    Purified Protein G for use in ELISA, immunoprecipitation, and purification assays.

    ELISA, IP, Purification
  2. 7300-05
    Protein A-HRP for use in ELISA and western blot assays.

    1.0 mL
  3. 7406-05
    Protein G-HRP for use in ELISA assays.

    1.0 mL
  4. 7300-01S, 7300-01L
    Purified Protein A for use in ELISA, western blot, immunoprecipitation, and purification assays.

    ELISA, IP, WB, Purification
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