ID 3.2.1.108 DE Lactase. CA Lactose + H(2)O = D-galactose + D-glucose. CC -!- The enzyme from intestinal mucosa is isolated as a complex which also CC catalyzes the reaction of EC 3.2.1.62 (cf. EC 3.2.1.23). PR PROSITE; PDOC00495; DR P09848, LPH_HUMAN ; P09849, LPH_RABIT ; Q02401, LPH_RAT ; //