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. 2018 Jun 19;9:820. doi: 10.3389/fpls.2018.00820

FIGURE 6.

FIGURE 6

Identification of the product of esculetin metabolization by CYP71AZ3. Yeast microsomes expressing CYP71AZ3 convert esculetin to 6,7,8-trihydroxycoumarin (P13). (A) HPLC profile of enzyme assays containing esculetin, without (line 1) or with (line 2) NADPH, oxygen, and yeast microsomes expressing CYP71AZ3. (B) MS and absorption spectrum of standard 6,7,8-trihydroxycoumarin. (C) MS and absorption spectrum of P13.