Naphthalene 1,2-dioxygenase system, small oxygenase component

UniProtKB accession:  P0A112

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UniProtKB description:  Component of the naphthalene dioxygenase (NDO) multicomponent enzyme system which catalyzes the incorporation of both atoms of molecular oxygen into naphthalene to form cis-(1R,2S)-dihydroxy-1,2-dihydronaphthalene. The beta subunit seems to have a structural role in the holoenzyme. Also able to catalyze the cis-dihydroxylation of biphenyl and phenanthrene (PubMed:10692370).