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 Angiotensin Bombesin Bradykinin Chemokine receptor like Cholecystokinin Endothelin Melanocortin Neuromedin U Neurotensin Opioid Oxytocin Protease-activated (thrombin) Somatostatin Thyrotropin Vasopressin fMet-Leu-Phe Ion Channel Ligands Nuclear Receptor Ligands Transporter Substrates