Binding of radiolabeled Staphylococcus aureus delta-toxin to human erythrocytes.


The addition f [3H]isoleucine to a chemically defined medium resulted in the production of delta-toxin (DT) with a high specific radioactivity (0.47 microCi/mg). The purified tritium-labeled toxin ([3H]DT) was found to migrate in sodium dodecyl sulfate-polyacrylamide gel electrophoresis as a single band with a molecular weight of 1,600. Upon electrofocusing… (More)


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