label: tRNA-queuosine(34) galactosyltransferase activity
label_lc: trna-queuosine(34) galactosyltransferase activity
description: "Catalysis of the reaction: queuosine34 in tRNA + UDP-alpha-D-galactose = H+ + O-5''-beta-D-galactosylqueuosine34 in tRNATyr + UDP. Substrates include tRNA(Tyr) and tRNA(Asp)."