ID 1.1.99.7 DE Lactate--malate transhydrogenase. CA (S)-lactate + oxaloacetate = pyruvate + malate. CC -!- Catalyzes hydrogen transfer from C(3) or C(4) (S)-2-hydroxy acids to CC 2-oxo acids. CC -!- Contains tightly bound nicotinamide nucleotide in its active center. CC -!- This prosthetic group cannot be removed without denaturation of the CC protein. //