1.2.1.105 5.7 6 - 671961 1.2.1.105 6.5 8 pH 6.5: about 40% of maximal activity, pH 8.0: about 50% of maximal activity, 2-oxoglutarate dehydrogenase complex 349032 1.2.1.105 6.5 8.5 pH 6.5: about 25% of maximal activity, pH 8.5: about 30% of maximal activity, 2-oxoglutarate dehydrogenase complex 349003 1.2.1.105 6.5 8.5 pH 6.5: about 60% of maximal activity, pH 8.5: about 30% of maximal activity, 2-oxoglutarate dehydrogenase complex 349018 1.2.1.105 6.6 8.4 about 50% of maximal activity at pH 6.6 and at pH 8.4, 2-oxoglutarate dehydrogenase complex 349024 1.2.1.105 7 8.5 pH 7.0: about 70% of maximal activity, pH 8.5: about 70% of maximal activity, 2-oxoglutarate dehydrogenase complex 349015