1.14.12.18 2,3-biphenyl dioxygenase, BDO, biphenyl 2, 3-dioxygenase, Biphenyl 2,3-dioxygenase, biphenyl dioxygenase, biphenyl-2,3-dioxygenase, BPDO, BPDOB356, BPDOCam-1, BPDOLB400, BPH, BPH dox, BphA, BphA1, BphA1A2, BphABC, BphABCD, BphAE, BPO, ThebphA1fA2f - 1.14.12.18 BphA1 gene name, biphenyl 2,3-dioxygenase alpha-subunit 1.14.12.18 BphA1 large alpha subunit 1.14.12.18 biphenyl dioxygenase the enzyme is composed of BphA1, BphA2 [large (alpha) and small (beta) subunits of an iron-sulfur protein, respectively], BphA3 (ferredoxin), and BphA4 (ferredoxin reductase)