Figure 2.

Graph of the model elements. Each element is a node, two elements are connected if they are involved in the same reaction. Blue nodes are constant elements, red nodes are non-constant elements. Green lines are the connections involving oxygen. The node size increases with the number of elements connected to it.

Achcar et al. BMC Systems Biology 2011 5:51   doi:10.1186/1752-0509-5-51
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