Compound class
 Carbohydrates
 Lipids
 Nucleic acids
 Peptides
 Phytochemical Compounds
 Vitamins and hormones
Activity
 Antibiotics
 Enzyme Ligands
 Enzyme Substrates
	1. Oxidoreductases
		1.13  Acting on single donors with incorporation of molecular oxygen (oxygenases)
			1.13.11  With incorporation of two atoms of oxygen
				1.13.11.1  catechol 1,2-dioxygenase 
				1.13.11.10  7,8-dihydroxykynurenate 8,8a-dioxygenase 
				1.13.11.11  tryptophan 2,3-dioxygenase 
				1.13.11.12  lipoxygenase 
				1.13.11.13  ascorbate 2,3-dioxygenase 
				1.13.11.15  3,4-dihydroxyphenylacetate 2,3-dioxygenase 
				1.13.11.16  3-carboxyethylcatechol 2,3-dioxygenase 
				1.13.11.17  indole 2,3-dioxygenase 
				1.13.11.18  sulfur dioxygenase 
				1.13.11.19  cysteamine dioxygenase 
				1.13.11.2  catechol 2,3-dioxygenase 
				1.13.11.20  cysteine dioxygenase 
				1.13.11.24  quercetin 2,3-dioxygenase 
				1.13.11.25  3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione 
				1.13.11.29  stizolobate synthase 
				1.13.11.3  protocatechuate 3,4-dioxygenase 
				1.13.11.30  stizolobinate synthase 
				1.13.11.31  arachidonate 12-lipoxygenase 
				1.13.11.32  2-nitropropane dioxygenase 
				1.13.11.34  arachidonate 5-lipoxygenase 
				1.13.11.36  chloridazon-catechol dioxygenase 
				1.13.11.37  hydroxyquinol 1,2-dioxygenase 
				1.13.11.38  1-hydroxy-2-naphthoate 1,2-dioxygenase 
				1.13.11.4  gentisate 1,2-dioxygenase 
				1.13.11.43  lignostilbene alpha,beta-dioxygenase 
				1.13.11.5  homogentisate 1,2-dioxygenase 
				1.13.11.6  3-hydroxyanthranilate 3,4-dioxygenase 
				1.13.11.8  protocatechuate 4,5-dioxygenase 
				1.13.11.9  2,5-dihydroxypyridine 5,6-dioxygenase 
 GPCR Ligands
 Ion Channel Ligands
 Nuclear Receptor Ligands
 Transporter Substrates