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 | + | + | + | + |