Enzymatic reactions [BR:br08201]
2. Transferase reactions
2.5 Transferring alkyl or aryl groups, other than methyl groups
2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
2.5.1.78
R04457 5-Amino-6-(1-D-ribitylamino)uracil + L-3,4-Dihydroxybutan-2-one 4-phosphate <=> 6,7-Dimethyl-8-(D-ribityl)lumazine + 2 H2O + Orthophosphate