L-tryptophan + O2 => 2-iminio-3-(indol-3-yl)propanoate + H2O2
l-tryptophan + o2 => 2-iminio-3-(indol-3-yl)propanoate + h2o2
L-tryptophan + O2 => 2-iminio-3-(indol-3-yl)propanoate + H2O2
l-tryptophan + o2 => 2-iminio-3-(indol-3-yl)propanoate + h2o2