label: [1-(2-amino-7-methyl-4-oxo-7,8-dihydro-3H-pteridin-6-yl)]ethyl-4-(beta-D-ribofuranosyl)aminobenzene 5'-phosphate synthase activity
label_lc: [1-(2-amino-7-methyl-4-oxo-7,8-dihydro-3h-pteridin-6-yl)]ethyl-4-(beta-d-ribofuranosyl)aminobenzene 5'-phosphate synthase activity