SEARCH Articles Figures Tables Intradiol aromatic dioxygenases Intradiol catechol dioxygenase Intradiol cleavage Intradiol dioxygenases Intradiol dioxygenases oxygen activation Intradiol dioxygenases reaction mechanisms Intradiol dioxygenases structure Intradiol oxygenation Intradiol ring fission Protocatechuate intradiol dioxygenase