Antibody-Binding Proteins and Conjugates

Protein A, Protein G, Protein A/G, Protein L and other antibody-binding proteins available in purified form and as biotinylated or peroxidase-labeled (HRP) conjugates for secondary detection in microplate and membrane assays.

When your application requires the detection of primary antibodies without the addition of other immunoglobulins, try one of these popular antibody-binding proteins.

Learn more:
Secondary Antibody and Detection Reagent Selection Guide »
Binding Properties of Protein A, G, A/G and L »

Pierce* Protein A and Conjugates

Purified and conjugated forms of Thermo Scientific* Pierce Recombinant Protein A enable probing and detection of rabbit and human antibodies, especially IgG isotypes, in Western blotting, ELISA, IHC and other immunoassay protocols.

Pierce* Purified Recombinant Protein A and Conjugates

Purified and conjugated forms of Thermo Scientific* Pierce Recombinant Protein A enable probing and detection of rabbit and human antibodies, especially IgG isotypes, in Western blotting, ELISA, IHC and other immunoassay protocols.

Pierce* Recombinant Protein A/G and Conjugates

Purified and conjugated forms of Thermo Scientific* Pierce Recombinant Protein A/G enable probing and detection of antibodies, especially IgG isotypes, from many different species hosts in Western blotting, ELISA, IHC and other immunoassay p

Pierce* Recombinant Protein G and Conjugates

Purified and conjugated forms of Thermo Scientific* Pierce Recombinant Protein G enable probing and detection of mouse and human antibodies, especially IgG isotypes, in Western blotting, ELISA, IHC and other immunoassay protocols.

Pierce* Recombinant Protein L and Conjugates

Purified and conjugated forms of Thermo Scientific* Pierce Recombinant Protein L enable probing and detection of mouse and human antibodies containing kappa light chains in Western blotting, ELISA, IHC and other immunoassay protocols.

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