Inhibition of nitrate reductase from tomato leaves by adenosine-5'-diphosphate

N. Nelson*, I. Ilan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


ADP was found to inhibit the activity of nitrate reductase from tomato leaves in vitro. No effects of ATP, AMP, adenosine and adenine could be detected. Orthophosphate promoted activity only in the presence of high concentrations of NADH2.It is suggested that nitrate reductase possesses characteristics of a regulatory enzyme and that ADP brings about a transformation in the conformation of the enzyme, with a resulting decrease in its activity.

Original languageEnglish
Pages (from-to)143-148
Number of pages6
JournalPlant and Cell Physiology
Issue number1
StatePublished - Mar 1969


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