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. 2017 Jul 21;7:6119. doi: 10.1038/s41598-017-06428-0

Figure 2.

Figure 2

The heterogenous lycopene biosynthetic pathway constructed in this study. (a) Depiction of the synthetic pathway. The endogenous MEP pathway of E. coli is indicated in gray. The lycopene biosynthetic pathway, including the MVA and lycopene pathways is depicted in black. (b) Plasmids and indicated operons for lycopene production (information about genes is provided in the Supplementary Data). mvaE, hydroxymethylglutaryl-CoA reductase; mvaS, hydroxymethylglutaryl-CoA synthase; mvaK1, mevalonate kinase; mvaK2, phosphomevalonate kinase; mvaD, diphosphomevalonate decarboxylase; idi, isopentenyl-diphosphate delta-isomerase; ispA, farnesyl diphosphate synthase; crtE, geranylgeranyl pyrophosphate synthase; crtB, phytoene synthase; crtI, phytoene dehydrogenase; A-CoA, acetyl-CoA; AA-CoA, acetoacetyl-CoA; Mev-P, mevalonate 5-phosphate; Mev-PP, mevalonate pyrophosphate. HMG-CoA, hydroxymethylglutaryl-CoA; IPP, isopentenyl diphosphate; DMAPP, dimethylallyl diphosphate; GPP, dimethyl pyrophosphate; FPP, farnesyl diphosphate; GGPP, geranylgeranyl pyrophosphate; G3P, glyceraldehyde 3-phosphate; DXP, 1-deoxy-D-xylulose 5-phosphate; dxr, DXP reductoisomerase; MEP, 2-C-methyl-D-erythritol 4-phosphate; CDP-ME, 4-diphosphocytidyl-2-C-methyl-D-erythritol; CDP-ME2P, 4-diphosphocytidyl-2-C-methyl-D-erythritol 2-phosphate; ME-2,4cPP, 2-C-methyl-D-erythritol 2,4-cyclopyrophosphate; HMB4PP, 1-hydroxy-2-methyl-2-(E)-butenyl 4-pyrophosphate.