<p>This group represents the hydroxylase component of methane monooxygenase (<db_xref db="EC" dbkey="1.14.13.25"/>) and phenol 2-monooxygenase (<db_xref db="EC" dbkey="1.14.13.7"/>). Please see the following relevant references: [<cite idref="PUB00012263"/>, <cite idref="PUB00016235"/>, <cite idref="PUB00016243"/>, <cite idref="PUB00016237"/>].</p>