L-tryptophan + O2 => alpha,beta-didehydrotryptophan + H2O2
l-tryptophan + o2 => alpha,beta-didehydrotryptophan + h2o2
L-tryptophan + O2 => alpha,beta-didehydrotryptophan + H2O2
l-tryptophan + o2 => alpha,beta-didehydrotryptophan + h2o2