citrate synthase ( ec 4.1.3.7 ) , isocitrate dehydrogenase ( ec 1.1.1.41 ) and malate dehydrogenase ( ec 1.1.1.37 ) activities were similar in both fractions , but pyruvate dehydrogenase ( ec 1.2.4.1 ) activity in non-synaptic mitochondria was higher than in synaptic mitochondria and glutamate dehydrogenase ( ec 1.4.1.3 ) activity in non-synaptic mitochondria was lower than that in synaptic mitochondria .
C0024544
malate dehydrogenase
C0030016
ec