ALG6 (enzyme class)

Dolichyl-P-Glc:Man9GlcNAc2-PP-dolichol alpha-1,3-glucosyltransferase is an enzyme with systematic name dolichyl beta-D-glucosyl phosphate:D-Man-alpha--D-Man-alpha--D-Man-alpha---D-Man-alpha---D-Man-alpha-)-D-Man-alpha-)-D-Man-beta--D-GlcNAc-beta--D-GlcNAc-diphosphodolichol alpha-1,3-glucosyltransferase.
This enzyme catalyses the following chemical reaction
which is: