Compound classification data were obtained from KEGG database.Compound class
Carbohydrates Lipids Nucleic acids Peptides Phytochemical Compounds Vitamins and hormonesActivity
Antibiotics Enzyme Ligands Enzyme Substrates GPCR Ligands Rhodopsin family: other receptors Adenosine Cannabinoid Cysteinyl leukotriene Free fatty acid G protein-coupled bile acid GPR Leukotriene B4 receptor Mas proto-oncogene & Mas-related (MRGs) Nicotinic acid Prostacyclin Prostaglandin Purine Thyrotropin-releasing hormone Ion Channel Ligands Nuclear Receptor Ligands Transporter Substrates