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. 2007 Apr 6;189(11):4038–4045. doi: 10.1128/JB.01950-06

FIG. 1.

FIG. 1.

Microbial catabolism of dibenzofuran and biphenyl by the Dbf and Bph pathways, respectively. Carbon atoms 1, 6, and 8 of 8-OH HOPDA are numbered. The Dbf pathway enzymes are as follows: DxnA1 and DxnA2, large and small subunits of dioxin dioxygenase, respectively; RedA2, reductase of dioxin dioxygenase; Fdx3, ferredoxin of dioxin dioxygenase; DbfB, 2,2′,3-trihydroxybiphenyl dioxygenase; and DxnB, 8-OH HOPDA hydrolase. The Bph pathway enzymes are as follows: BphA and BphE, large and small subunits of biphenyl dioxygenase, respectively; BphG, reductase of biphenyl dioxygenase; BphF, ferredoxin of biphenyl dioxygenase; BphB, dihydrodiol dehydrogenase; BphC, 2,3-dihydroxybiphenyl dioxygenase; and BphD, HOPDA hydrolase.