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 Melanocortin MC1R; melanocortin 1 receptor MC3R; melanocortin 3 receptor MC4R; melanocortin 4 receptor MC5R; melanocortin 5 receptor Ion Channel Ligands Nuclear Receptor Ligands Transporter Substrates