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. 2020 Nov 19;8:588255. doi: 10.3389/fbioe.2020.588255

FIGURE 1.

FIGURE 1

Glycyrrhetinic acid biosynthetic pathway designed in engineered S. cerevisiae. AACT, acetyl-CoA C-acetyltransferase; HMGS, 3-hydroxy-3- methylglutaryl-CoA synthase; HMGR, 3-hydroxy-3-methylglutaryl-CoA reductase; MK, mevalonate kinase; PMK, phosphomevalonate kinase; MDC, mevalonate diphosphate decarboxylase; GPP, geranyl diphosphate; GPPS, geranyl diphosphate synthase; IDI, isopentenyl-pyrophosphate delta isomerase; FPP, farnesyl diphosphate; FPPS, farnesyl diphosphate synthase; SQS, squalene synthase; SQE, squalene epoxidase; β-AS, β-amyrin synthase; CPR, cytochrome P450 reductase; GuGUAT, Glycyrrhiza uralensis UDP-dependent glucuronosyltransferases; MVA, mevalonic acid; MVAP, mevalonate phosphate; MVAPP, mevalonate diphosphate; IPP, isopentenyl pyrophosphate; DMAPP, dimethylallyl pyrophosphate.