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Table II The Inactivation of Transforming Principle by Crude Enzyme Preparations

From: Studies on the Chemical Nature of the Substance Inducing Transformation of Pneumococcal Types

Crude enzyme preparations Enzymatic activity
Phosphatase Tributyrin esterase Depolymerase for desoxyribonucleate Inactivation of transforming principle
Dog intestinal mucosa + + + +
Rabbit bone phosphatase + +
Swine kidney“ +
Pneumococcus autolysates + + +
Normal dog and rabbit serum + + + +