FIG. 3.
Mode of dioxygenation of various PCB congeners by the wild-type and the mutant Bph Doxs. The thick arrow indicates the site of dioxygenation. 2,3-, 2,3-dioxygenation; 3,4-, 3,4-dioxygenation; 5,6-, 5,6-dioxygenation.
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