Figure 4 - A flavonoid subnetwork
Expanded layout for Subnetwork 1 in Figure 3. Nodes alternate between reactions (black) and metabolites (coloured) in horizontal layers. Internal metabolites are labelled in cyan; external inflow metabolites in green, outflows in blue and crossflows in red. The layout was drawn with the default cutoff value 8.

Wynand S Verwoerd Journal of Molecular Engineering and Systems Biology  2012 1:2DOI : 10.7243/2050-1412-1-2