two of these were identified by enzyme analysis and by co-electrophoresis with crystalline enzymes as the subunits of aspartate aminotransferase ( 43 000 daltons ; ec 2.6.1.1 ) and malate dehydrogenase ( 32 000 daltons ; ec 1.1.1.37 ) .
C0024544
malate dehydrogenase
C0030016
ec 1