PMID: 2159891May 7, 1990

Rate enhancement of the electron transfer of the adrenodoxin-adrenodoxin reductase system by inorganic and nucleotide phosphates

FEBS Letters
T YamanoR Miura


Phosphate and pyrophosphate increased the rate of reduction of adrenodoxin by NADPH-adrenodoxin reductase and NADPH, pyrophosphate being one order more effective than the former. However, the cytochrome c reduction by the electron transport system was inhibited in the presence of inorganic (pyro)phosphate. On the other hand, ADP and ATP enhanced the rates of reduction of both adrenodoxin and cytochrome c through adrenodoxin by the electron transport system. GTP also enhanced the rate of reduction of cytochrome c by this system, whereas AMP showed no appreciable enhancement. These inorganic and nucleotide phosphates did not affect the rate of ferricyanide reduction by the reductase.


Jul 14, 1989·Biochemical and Biophysical Research Communications·T YamanoR Miura
Sep 1, 1985·Proceedings of the National Academy of Sciences of the United States of America·T OkamuraM R Waterman
Jun 30, 1987·Biochemical and Biophysical Research Communications·Y NonakaM Okamoto
Jul 1, 1988·Archives of Biochemistry and Biophysics·N SakihamaY Ichikawa
Jul 1, 1985·Journal of Biochemistry·Y NonakaY Morita


Sep 20, 2019·International Journal of Molecular Sciences·Aušra Nemeikaitė-ČėnienėN K Cénas

Related Concepts

Adenosine Triphosphate, Chromium Ammonium Salt
Adrenal Cortex
Bos indicus
Cytochrome c Group
Respiratory Chain
Ferredoxin-NADP Reductase
NADH, NADPH Oxidoreductases

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