GO:0004569

glycoprotein endo-alpha-1,2-mannosidase activity

Details: 
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. [EC:3.2.1.130]
Evidence Code: