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