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. 2016 Dec 16;7:1898. doi: 10.3389/fpls.2016.01898

FIGURE 3.

FIGURE 3

The chemical structures of various compounds in PQ and UQ biosynthetic pathways. 4-HBA, 4-hydroxybenzoate acid; 4-HPPA, 4-hydroxyphenylpyruvic acid; AcAc-CoA, acetyloacetyl-coenzyme A; Ac-CoA, acetyl-coenzyme A; CDP-ME, 4-diphosphocytidyl-2C-methyl-D-erythritol; CDP-MEP, 4-diphosphocytidyl-2C-methyl-D-erythritol 2-phosphate; DMAPP, dimethylallyl pyrophosphate; DMAPP, dimethylallyl pyrophosphate; DXP, 1-deoxy-D-xylulose-5 phosphate; DXS, 1-deoxy-D-xylulose-5-phosphate; FPP, farnesyl diphosphate; GAP, D-glyceraldehyde 3-phosphate; GGPP, geranylgeranyl diphosphate; GPP, geranyl diphosphate; HGA, homogentisate acid; HMBPP, 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate; HMG-CoA, 3-hydroxy-3-methylglutaryl-coenzyme A; IPP, isopentenyl diphosphate; ME-cPP, 2C-methyl-D-erythritol 2,4-cyclodiphosphate; MEP, 2C-methyl-D-erythritol-4-phosphate; MSBQ, methyl-solanesyl-benzoquinone; MVA, mevalonic acid; MVAP, mevalonate-5-phosphate; MVAPP, mevalonate-5-diphosphate; Pyr, pyruvate; SPP, solanesyl diphosphate.