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. 2016 Jun 2;212(1):123–135. doi: 10.1111/nph.14039

Figure 1.

Figure 1

Glycyrrhizin biosynthesis pathway in Glycyrrhiza uralensis. One‐step catalytic reactions are indicated with solid arrows, and multi‐step catalytic reactions are indicated with dashed arrows. MVA pathway, mevalonate pathway; MEP pathway, plastid‐localized 2‐C‐methyl‐d‐erythritol 4‐phosphate pathway; IPP, isopentenyl diphosphate; DMAPP, dimethylallyl diphosphate; FPP, farnesyl pyrophosphate; IDI, isopentenyl diphosphate isomerase; FPS, farnesyl pyrophosphate synthase; SQS, squalene synthase; SQE, squalene monooxygenase or epoxidase; bAS, β‐amyrin synthetase; CYP88D6 and CYP72A154, cytochrome P450 monooxygenases; UGAT, glucuronosyltransferase; HBV, hepatitis B virus; HIV, human immunodeficiency virus; SARS virus, severe acute respiratory syndrome‐associated coronavirus.