Release of Fc-receptors after streptococcal lysis induced by a lytic enzyme fromStreptomyces globisporus

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Abstract
Streptomyces globisporus produced an enzyme which had lytic effects on streptococci and was able to solubilize their Fc-receptors. A new method for rapid purification of this enzyme was described. It consisted of adsorption to Amberlite CG 50 and subsequent chromatography on CM-cellulose Whatman CM 52. The purified enzyme was free of proteases and had lysed streptococci of serological groups A, B, C, G and L. It released Fcreceptors from the streptococcal surface in a biologically active form.