ID 4.1.1.51 DE 3-hydroxy-2-methylpyridine-4,5-dicarboxylate 4-decarboxylase. AN 3-hydroxy-2-methylpyridine-4,5-dicarboxylate 4-carboxy-lyase. CA 3-hydroxy-2-methylpyridine-4,5-dicarboxylate = 3-hydroxy-2- CA methylpyridine-5-carboxylate + CO(2). //