preferred_name: holo-[peptidyl-carrier protein] + L-tryptophan + ATP => L-tryptophyl-[peptidyl-carrier protein] + AMP + diphosphate
preferred_name_lc: holo-[peptidyl-carrier protein] + l-tryptophan + atp => l-tryptophyl-[peptidyl-carrier protein] + amp + diphosphate
label: holo-[peptidyl-carrier protein] + L-tryptophan + ATP => L-tryptophyl-[peptidyl-carrier protein] + AMP + diphosphate
label_lc: holo-[peptidyl-carrier protein] + l-tryptophan + atp => l-tryptophyl-[peptidyl-carrier protein] + amp + diphosphate