1. N. 0. Kaplan and M. M. Ciotti , J. Am. Chem. Soc. 76 , 1713 ( 1954 ); N. 0. Kaplan, and M. M. Ciotti, J. Biol. Chem., in press.
2. The following abbreviations are used: DPN and DPNH oxidized and reduced diphosphopyridine nucleotide respectively; TPN and TPNH oxidized and reduced triphosphopyridine nucleotide respectively; 3-AP 3-acetyl pyridine; APDPN and APDPNH oxidized and reduced 3-acetyl pyridine analog of DPN respectively; APTPN and APTPNH oxidized and reduced 3-acetyl pyridine analog of TPN respectively; FMN and FAD flavin mononucleotide and flavin adenine dinucleotide respectively; pCMB p-chloromercuribenzoate; GSH glutathione.
3. N. 0. Kaplan M. M. Ciotti F. E. Stolzenbach J. Biol. Chem. in press.
4. Contribution No. 136 of the McCollum-Pratt Institute. This investigation was aided by grants from the American Cancer Society as recommended by the Committee on Growth of the National Research Council and the National Cancer Institute of the National Institutes of Health U.S. Public Health Service grant No. C-2374(C).
5. F. B. Straub , Biochem. J. London 33 , 787 ( 1939 ).