preferred_name: L-tryptophan + ATP => L-tryptophyl-5'-AMP + diphosphate
preferred_name_lc: l-tryptophan + atp => l-tryptophyl-5'-amp + diphosphate
label: L-tryptophan + ATP => L-tryptophyl-5'-AMP + diphosphate
label_lc: l-tryptophan + atp => l-tryptophyl-5'-amp + diphosphate