ID 4.2.1.42 DE galactarate dehydratase. AN D-galactarate hydro-lyase. CA galactarate = 5-dehydro-4-deoxy-D-glucarate + H2O. CC -!- The enzyme from the bacterium Escherichia coli is specific for CC galactarate, while the enzyme from Salmonella typhimurium also has CC activity with L-talarate (cf. EC 4.2.1.156). cf. EC 4.2.1.158. DR P42240, GARD_BACSU ; P39829, GARD_ECOLI ; Q8ZL58, TAGAD_SALTY; //