ID 1.1.1.251 DE galactitol-1-phosphate 5-dehydrogenase. CA galactitol 1-phosphate + NAD(+) = H(+) + keto-D-tagatose 6-phosphate + CA NADH. CC -!- The enzyme from the bacterium Escherichia coli is involved in a CC galactitol degradation pathway. DR P0A9S4, GATD_ECO57 ; P0A9S3, GATD_ECOLI ; //