a bifunctional enzyme , l- ( + ) -tartrate dehydrogenase-d- ( + ) -malate dehydrogenase ( decarboxylating ) ( ec 1.1.1.93 and ec 1.1.1. . . , respectively ) , was discovered in cells of rhodopseudomonas sphaeroides y , which accounts for the ability of this organism to grow on l- ( + ) -malate .
C0024544
malate dehydrogenase
C0030016
ec 1