Oxidative modification of nicotinamide nucleotide transhydrogenase in submitochondrial particles: effect of endogenous ubiquinol

P Forsmark-Andrée, B Persson, R Radi… - Archives of biochemistry …, 1996 - Elsevier
The present paper describes the sensitivity of the mitochondrial nicotinamide nucleotide
transhydrogenase (EC1. 6.1. 1) to oxidative modification, and the effects of endogenous
ubiquinol on this modification. A comparison is made between the effects of treatment with
ADP-Fe3+ and ascorbate and with peroxynitrite, using kinetic, electrophoretic, and
immunological analyses, together with lipid peroxidation measurements. The
transhydrogenase was inactivated by both types of oxidative modification, but apparently …
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