Protein A - Sepharose™ 4B (Invitrogen™)

This product is prepared by covalently coupling highly purified (>98% by SDS-PAGE) Staph. aureus Cowan strain 1 Protein A to Sepharose™ 4B.

This product is supplied as a 50% suspension consisting of 25ml Protein A-Sepharose™ 4B and 25 ml of PBS (10 mM phosphate-buffered saline, pH 7.4, containing 0.19% Kathon CG/ICP).

Applications: Immunoglobulin Affinity Purification, Immunoprecipitation