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 Ion Channel Ligands Related to voltage-gated cation channels Brain cyclic nucleotide-gated channel (HCN) HCN1/2/4; hyperpolarization activated cyclic nucleotide-gated potassium channel 1/2/4 Nuclear Receptor Ligands Transporter Substrates