2-hydroxy-6-oxo-2,4-heptadienoate + H(+) => 3-methylcatechol + O2
2-hydroxy-6-oxo-2,4-heptadienoate + h(+) => 3-methylcatechol + o2
2-hydroxy-6-oxo-2,4-heptadienoate + H(+) => 3-methylcatechol + O2
2-hydroxy-6-oxo-2,4-heptadienoate + h(+) => 3-methylcatechol + o2