Catechol 2,3-dioxygenase

Catechol 2,3-dioxygenase (, 2,3-pyrocatechase, catechol 2,3-oxygenase, catechol oxygenase, metapyrocatechase, pyrocatechol 2,3-dioxygenase) is an enzyme with system name catechol:oxygen 2,3-oxidoreductase (decyclizing). This enzyme catalyses the following chemical reaction


 * catechol + O2 $$\rightleftharpoons$$ 2-hydroxymuconate semialdehyde

This enzyme contains Fe(II).