Protein A production and purification without using animal derived components

摘要

The invention relates to methods of producing Protein A without contamination of the Protein A by animal products. The invention also relates to a vegetarian fermentation media in which Staphylococcus aureus is grown to produce a vegetarian Protein A. The invention further relates to a vegetarian Protein A and the use of a vegetarian Protein A in therapeutic and prophylactic methods.