Discovered chemical-protein interaction (CPI) bipartite network among 139 FDA approved or experimental drugs and 55 GPCRs (Table S4).

<p>Circle and square nodes correspond to drugs and GPCRs, respectively. The definition of nodes and edges were given in the caption of <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0041064#pone-0041064-g005" target="_blank">Figure 5</a>.