Dolichol phosphate mannose synthase is required in vivo for glycosyl phosphatidylinositol membrane anchoring, O mannosylation, and N glycosylation of protein in Saccharomyces cerevisiae.

Abstract excerpt

Glycosyl phosphatidylinositol (GPI) anchoring, N glycosylation, and O mannosylation of protein occur in the rough endoplasmic reticulum and involve transfer of precursor structures that contain mannose. Direct genetic evidence is presented that dolichol phosphate mannose (Dol-P-Man) synthase, which transfers mannose from GDPMan to the polyisoprenoid dolichol phosphate, is required in vivo for all three...

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