Aconitase is readily inactivated by peroxynitrite, but not by its precursor, nitric oxide
摘要:
Using highly purified recombinant mitochondrial aconitase, we determined the kinetics and mechanisms of inactivation mediated by nitric oxide (*NO), nitrosoglutathione (GSNO), and peroxynitrite (ONOO(-)). High *NO concentrations are required to inhibit resting aconitase. Brief *NO exposures led to a reversible inhibition competitive with isocitrate (K(I)=35 microM). Subsequently, an...
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DOI:
10.1016/0014-5793(94)80087-1
被引量:
年份:
1994
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