glycoprotein endo-alpha-1,2-mannosidase activity
glycoprotein endo-alpha-1,2-mannosidase activity
Catalysis of the hydrolysis of the terminal alpha-glucosyl-(1,3)-mannosyl unit from Glc-Man(9)-(GlcNAc)(2) oligosaccharide component of the glycoprotein produced in the Golgi membrane.