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: peptide receptors Bombesin GRPR; gastrin-releasing peptide receptor NMBR; neuromedin B receptor Ion Channel Ligands Nuclear Receptor Ligands Transporter Substrates