. Author manuscript; available in PMC: 2011 Dec 1.

Published in final edited form as: Mol Biochem Parasitol. 2010 Jul 30;174(2):150–153. doi: 10.1016/j.molbiopara.2010.07.006

Table 1.

Activities of three mitochondrial ubiquinone oxidoreductases

substrate	inhibitor	specific activity^a nmol/min/mg prot
DHO^b		13.8
DHO	(50 µl DMSO)	12.1
DHO	5FO^c, 0.5 mM (DMSO)	5.71
malate		11.1
succinate		9.73
succinate	malonate, 10 mM	5.79

acceptor cosubstrate = 100 µM Q_D + 60 µM 2,6-dichloroindophenol

DHO = L-dihydroorotate

5FO = 5-fluoroorotate