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BIOCHEMICAL BASIS FOR THE ANTI-HERPES AND CYTOTOXIC ACTIVITIES OF NITROGEN(4)-DERIVATIVES OF 2-ACETYLPYRIDINE THIOSEMICARBAZONE (ANTIVIRAL, RIBONUCLEOTIDE, REDUCTASE).
註釋After characterization of the viral and cellular reductases, the effects of five derivatives of 2-acetylpyridine thiosemicarbazone on the two enzymes were examined. All five derivatives were potent inhibitors of the viral reductase. Furthermore, three of the derivatives were found to be more potent as inhibitors of the viral reductase by a factor of 2, 8, and >35, based on a comparison of 50% inhibitory concentrations. Kinetic studies indicated that inhibition of the viral reductase was not competitive