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 1000 ml Protein A-Sepharose® 4B and 1000 ml of PBS (10 mM phosphate-buffered saline, pH 7.4, containing 0.1% Proclin as a preservative).

Applications: Immunoglobulin Affinity Purification, Immunoprecipitation