pahA4 MMINIQEDKLVSAHDAEEFLRFFNSGDEALQQEATTLLTREAHLLDIQAYRAWLEHCVDSEVKYQIISRELRSASERRYQLNETMNIFNENYEQLEVRVAHQLDPQNWGNSPKVRFTRFITNIQAAMDENEDLLHIRSNLIVHRARRGNQVDVFYATREDKWKRGEDGARKLVQRLIDYPERTFQTHNVMIFM Component of the naphthalene dioxygenase (NDO) multicomponent enzyme system which catalyzes the incorporation of both atoms of molecular oxygen into naphthalene to form cis- naphthalene dihydrodiol. The beta subunit may be responsible for the substrate specificity of the enzyme. 193 Naphthalene 1,2-dioxygenase ISP beta Naphthalene 1,2-dioxygenase subunit beta ndoC NDOC_PSEAE