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. 2013 Apr 30;288(24):17065–17073. doi: 10.1074/jbc.R113.462275

FIGURE 3.

FIGURE 3.

Some unusual P450 reactions. A, proposed mechanism for rearrangement of taxa-4(5),11(12)-diene to 5(12)-oxa-3(11)-cyclotaxane, catalyzed by the P450 CYP725A4 from yew trees (34). B, proposed pathway for nitration of tryptophan (35). C, cyclopropanation by P450BM-3 (carbene transfer) (36).