Purification of immunolobulin G Fc-reactive factor from Streptococcus azgazardah.


A factor from Streptococcus azgazardah (Lancefield's group C) capable of reacting with the Fc fragment of human IgG was partially purified and characterized. The bacteria were lysed by infection with phage, and the IgG Fc-reactive factor was purified from the crude lysate by affinity chromatography on a IgG-coupled Sepharose 4B column. The column was eluted… (More)


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