Fig. 2.

—Overview of reference pathways, continued, focused on the interconnected reactions of carbohydrate and amino acid biosynthesis, mitochondrial respiration, and plastid photosynthesis. Pathways are color coded and enzymes/proteins are numbered or coded according to the supplementary table S1, Supplementary Material online. 2-OG, 2-oxoglutarate; DHAP, dihydroxyacetone phosphate; Ery-4P, erythrose 4-phosphate; FAD, flavin adenine dinucleotide; IMS, intermembrane space; OAA, oxaloacetate; orn, ornithine; PEP, phosphoenolpyruvate; PQ, plastoquinol; PRPP, 5-phosphoribosyl-1-pyrophosphate; pyr, pyruvate; Ru-5P, ribulose 5-phosphate; TCA, tricarboxylic acid; THF, tetrahydrofolate; and UQ, ubiquinone.