Studies on energy-linked reactions. Energy-linked transhydrogenase reaction in Escherichia coli
- 1 January 1971
- journal article
- Published by Portland Press Ltd. in Biochemical Journal
- Vol. 121 (1), 125-130
- https://doi.org/10.1042/bj1210125
Abstract
1. Small particles from Escherichia coli catalyse an ATP-dependent reduction of NADP(+) by NADH. 2. The reaction was stimulated by Mg(2+) and only ATP and ITP could serve as energy donors. 3. Studies of the stoicheiometry of the reaction indicate that 1-2mol of ATP are utilized/mol of NADH produced. 4. The reaction is inhibited by uncoupling agents such as 2,4-dinitrophenol (200mum) and tetrachlorotrifluorobenzimidazole (2mum) but oligomycin does not inhibit. 5. The reaction is inhibited by relatively high concentrations (200mum) of piericidin A.Keywords
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