Figure 1
From: Regulation of metabolic networks by small molecule metabolites
(a) Log-log plot of the degree distribution for compound nodes in the regulatory and metabolic networks of E. coli. Colors: (orange) Regulatory network, (blue) metabolic network. (b) Log-log plot of the degree distribution for compound nodes in the regulatory network divided into activating compounds and inhibiting compounds. Colors: (orange) Inhibitors, (blue) activators.