cyclo(L-phenylalanyl-L-leucyl) + O2 <=> cyclo[(Z)-alpha,beta-didehydrophenylalanyl-L-leucyl] + H2O2
cyclo(l-phenylalanyl-l-leucyl) + o2 <=> cyclo[(z)-alpha,beta-didehydrophenylalanyl-l-leucyl] + h2o2
cyclo(L-phenylalanyl-L-leucyl) + O2 <=> cyclo[(Z)-alpha,beta-didehydrophenylalanyl-L-leucyl] + H2O2
cyclo(l-phenylalanyl-l-leucyl) + o2 <=> cyclo[(z)-alpha,beta-didehydrophenylalanyl-l-leucyl] + h2o2