three other dehydrogenases , namely , nadh dehydrogenase , nad ( p ) h dehydrogenase ( ec 1.6.99.3 ) , and malate dehydrogenase ( ec 1.1.1.37 ) , contained flavin in noncovalent linkage , the nad ( p ) h dehydrogenase also possessing nonheme iron .
C0024544
malate dehydrogenase
C0030016
ec 1