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MagReSyn® Protein A


MagReSyn® Protein A magnetic beads contain covalently coupled Protein A for highly specific single-step purification of immunoglobulin G (IgG) to >95% purity from whole serum samples.



High capacity Protein A for affinity purification of antibodies and immunoprecipitation

Protein A is a ~56kDa surface protein originally isolated from the cell wall of the bacterium Staphylococcus aureus and is widely used for highly specific purification of IgG and for immunoprecipitation experiments.

Protein A has 5 immunoglobulin binding domains folded into a three-helix bundle and specifically binds the Fc region on the heavy chain of the IgG class of antibodies. More specifically, Protein A binds with high affinity to specific subclasses of human, rabbit, mouse, guinea pig, cat and pig IgG. It does not react with human IgG3, IgD or IgE, mouse IgM, IgA or IgE, or goat, koala and lama IgG. The high recombinant Protein A content of MagReSyn® ensures a high immunoglobulin capacity allowing for experimental miniaturization.

Please review the extensive range of application notes and posters to see how MagReSyn® Protein A can be used for your sample preparation in the ReSyn Biosciences Method Library.

Support: Proprietary polymer microparticles containing iron oxide (magnetite) with immobilized Protein A
Binding capacity: > 2.4 (Rabbit IgG)
Bead size: ~5-10 µm
Formulation: 15 suspension in Tris buffer

*Allumiqs only distributes MagResyn products in Canada and United States. If you are not located in these regions, please visit the MagResyn website for more information.

Additional information

Sizes Available

2 ml, 5 ml, 10 ml