2 5,6-dihydroxyindole + O2 <=> 2 indole-5,6-quinone + 2 H2O
2 5,6-dihydroxyindole + o2 <=> 2 indole-5,6-quinone + 2 h2o
2 5,6-dihydroxyindole + O2 <=> 2 indole-5,6-quinone + 2 H2O
2 5,6-dihydroxyindole + o2 <=> 2 indole-5,6-quinone + 2 h2o