at both ages the synaptosomal fraction contained very little glutamate dehydrogenase ( ec 1.4.1.2 ) but significant amounts of succinate dehydrogenase ( ec 1.3.99.1 ) , glutaminase ( ec 3.5.1.2 ) , hexokinase ( ec 2.7.1.1 ) , malate nadp dehydrogenase ( ec 1.1.1.40 ) and beta-hydroxybutyrate dehydrogenase ( ec 1.1.1.30 ) .
C0024544
malate
C0030016
ec 1