label: alpha-D-glucose 1,6-bisphosphate + L-seryl-[protein] => O-phospho-L-seryl-[protein] + alpha-D-glucose 6-phosphate
label_lc: alpha-d-glucose 1,6-bisphosphate + l-seryl-[protein] => o-phospho-l-seryl-[protein] + alpha-d-glucose 6-phosphate