protoviolaceinate + NADH + O2 + H(+) <=> violaceinate + NAD(+) + H2O
protoviolaceinate + nadh + o2 + h(+) <=> violaceinate + nad(+) + h2o
protoviolaceinate + NADH + O2 + H(+) <=> violaceinate + NAD(+) + H2O
protoviolaceinate + nadh + o2 + h(+) <=> violaceinate + nad(+) + h2o