the midpoint potentials of centers s-1 and s-2 determined in the soluble succinate dehydrogenase preparations are -5 +/- 15 mv and -400 +/- 15 mv , respectively , while corresponding midpoint potentials determined in particulate preparations , such as succinate-cytochrome c reductase or succinate-ubiquinone reductase , are 0 +/- 15 mv and -260 +/- 15 mv .
C0038615
succinate
C0283592
succinate-ubiquinone reductase