preferred_name: L-tryptophan + S-adenosyl-L-methionine <=> N(alpha)-methyl-L-tryptophan + S-adenosyl-L-homocysteine + H(+)
preferred_name_lc: l-tryptophan + s-adenosyl-l-methionine <=> n(alpha)-methyl-l-tryptophan + s-adenosyl-l-homocysteine + h(+)
label: L-tryptophan + S-adenosyl-L-methionine <=> N(alpha)-methyl-L-tryptophan + S-adenosyl-L-homocysteine + H(+)
label_lc: l-tryptophan + s-adenosyl-l-methionine <=> n(alpha)-methyl-l-tryptophan + s-adenosyl-l-homocysteine + h(+)