Group A streptococci were found to produce three different desoxyribonucleases, designated here as A, B, and C. These enzymes migrated separately on analysis with starch zone electrophoresis, were immunologically distinct, and showed certain differences in inhibition by citrate and in optimal pH of activity. The relative amount of each enzyme produced was a function of strain variation.
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Copyright, 1958, by The Rockefeller Institute for Medical Research New York
1958
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