label: poly((1,4)-alpha-glycosyl) glycogenin-1 + n orthophosphate => glycogenin-1 + n D-glucose 1-phosphate [PYGM,PYGB] (Homo sapiens)
label_lc: poly((1,4)-alpha-glycosyl) glycogenin-1 + n orthophosphate => glycogenin-1 + n d-glucose 1-phosphate [pygm,pygb] (homo sapiens)