Carbohydrate metabolism		Genetic Information Processing
	Energy metabolism		Environmental Information Processing
	Lipid metabolism		Cellular Processes
	Nucleotide metabolism		Organismal Systems
	Amino acid metabolism		Human Diseases
	Metabolism of other amino acids		Unclassified
	Glycan biosynthesis and metabolism
	Metabolism of cofactors and vitamins
	Metabolism of terpenoids and polyketides
	Biosynthesis of other secondary metabolites
	Xenobiotics biodegradation and metabolism
	Enzyme families