Figure 1.

Metabolite graph representation of the PEP: Pyr uptake system of glucose. (a) Metabolite graph; (b) metabolite graph restricted to atomic exchanges; (c) metabolite graph restricted to carbon exchanges. D-Glc, glucose; G6P, glucose 6-phosphate; PEP, phosphoenolpyruvate; Pyr, pyruvate.

Pey et al. Genome Biology 2011 12:R49   doi:10.1186/gb-2011-12-5-r49
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