Figure 5.
Natural ligands of GPCRs from plants (part. 3). Each chemical class is highlighted by different colors. The chemical structures were found on ChemSpider website. Legend: the plus symbol means that the compound is approved by the Food and Drug Administration. The rhomboid (♦) means that there are several examples of producing organisms. ago: agonist; ant: antagonist. Superscript: (I) [1].
