ID 3.5.1.109 DE sphingomyelin deacylase. AN glucosylceramide sphingomyelin deacylase. AN SM deacylase. AN SMGCer deacylase. AN SM glucosylceramide GCer deacylase. AN sphingomyelin glucosylceramide deacylase. CA (1) a sphingomyelin + H2O = a carboxylate + sphing-4-enine- CA phosphocholine. CA (2) a beta-D-glucosyl-(1<->1')-N-acylsphing-4-enine + H2O = a fatty acid CA + beta-D-glucosyl-(1<->1)-sphing-4-enine. CC -!- The enzyme is involved in the sphingolipid metabolism in the CC epidermis. //