ID 3.6.1.44 DE oligosaccharide-diphosphodolichol diphosphatase. AN oligosaccharide-diphosphodolichol pyrophosphatase. CA a di-trans,poly-cis-dolichyl diphosphooligosaccharide + H2O = CA an oligosaccharide-(1->4)-N-acetyl-beta-D-glucosamine-(1->4)-N-acetyl- CA alpha-D-glucosamine 1-phosphate + a di-trans,poly-cis-dolichyl phosphate CA + 2 H(+). //