ID 1.1.99.42 DE 4-pyridoxate dehydrogenase. CA 4-pyridoxate + A = 5-formyl-3-hydroxy-2-methylpyridine-4-carboxylate + CA AH2. CC -!- The enzyme, characterized from the bacteria Pseudomonas sp. MA-1 and CC Mesorhizobium loti, participates in the degradation of pyridoxine CC (vitamin B6). CC -!- It is membrane bound and contains FAD. CC -!- The enzyme has been assayed in vitro in the presence of the CC artificial electron acceptor dichloroindophenol (DCPIP). DR Q988C9, 4PADH_RHILO; //