biogenic amines and polyamines metabolic pathway +
carbohydrate metabolic pathway +
energy metabolic pathway +
lipid metabolic pathway +
metabolic pathway of cofactors, vitamins, nutrients +
metabolic pathway of other amino acids +
metabolic pathway of secondary metabolites +
metabolic pathway pertinent to the brain +
nucleotide metabolic pathway +
Those metabolic reactions involved in the synthesis, utilization and/or degradation of nucleotides. Nucleotides, which are the units of DNA and RNA, can also play important roles in cellular energy, enzyme regulation as well as serve as signaling molecules.