glucosyltransferase

noun

glu·​co·​syl·​trans·​fer·​ase -ˈtran(t)s-(ˌ)fər-ˌās, -ˌāz 

: an enzyme that catalyzes the transfer of a glucosyl group

especially : one implicated in the formation of dental plaque that catalyzes the formation of glucans

called also transglucosylase