Converts a glucosyl-(mannosyl)9-(N-acetylglucosaminyl)2-diphosphodolichol into a (glucosyl)2(mannosyl)9-(N-acetylglucosaminyl)2-diphosphodolichol.
Converts a (mannosyl)9-(N-acetylglucosaminyl)2-diphosphodolichol into a glucosyl-(mannosyl)9-(N-acetylglucosaminyl)2-diphosphodolichol.