1.14.20.5	(2R)-naringenin + 2-oxoglutarate + O2	13% of the activity with (2S)-naringenin	Oryza sativa	apigenin + succinate + CO2 + H2O	-	?	395070	
1.14.20.5	(2S)-eriodictyol + 2-oxoglutarate + O2	-	Petroselinum crispum	? + CO2 + H2O	-	?	371261	
1.14.20.5	(2S)-eriodictyol + 2-oxoglutarate + O2	-	Petroselinum crispum	luteolin + succinate + CO2 + H2O	-	ir	386857	
1.14.20.5	(2S)-naringenin + 2-oxoglutarate + O2	-	Petroselinum crispum	apigenin + succinate + H2O + CO2	-	?	371268	
1.14.20.5	(2S)-naringenin + 2-oxoglutarate + O2	-	Petroselinum crispum	apigenin + succinate + CO2 + H2O	-	?	371269	
1.14.20.5	(2S)-naringenin + 2-oxoglutarate + O2	-	Petroselinum crispum	apigenin + succinate + CO2 + H2O	-	ir	371269	
1.14.20.5	(2S)-naringenin + 2-oxoglutarate + O2	-	Oryza sativa	apigenin + succinate + CO2 + H2O	-	?	371269	
1.14.20.5	(2S)-pinocembrin + 2-oxoglutarate + O2	-	Petroselinum crispum	chrysin + succinate + CO2 + H2O	-	?	386860	
1.14.20.5	2-hydroxynaringenin + 2-oxoglutarate + O2	-	Petroselinum crispum	? + CO2 + H2O	-	?	371688	
1.14.20.5	cis-dihydrokaempferol + 2-oxoglutarate + O2	-	Petroselinum crispum	kaempferol + succinate + CO2 + H2O	-	?	372733	
1.14.20.5	dihydrokaempferol + 2-oxoglutarate + O2	the mutated enzymes L311F, Y240P, F146I, A120M and L311F–A120M are all able to oxidize dihydrokaempferol to kaempferol, with respective catalytic activities relative to the wild type level of 355%, 104%, 86%, 162% and 175%. L311F substitution increases the flavonol synthase activity	Plagiochasma appendiculatum	kaempferol + succinate + CO2 + H2O	-	?	373077	
1.14.20.5	eriodictyol + 2-oxoglutarate + O2	24% of the activity with naringenin	Petroselinum crispum	?	-	?	376763	
1.14.20.5	eriodictyol + 2-oxoglutarate + O2	-	Petroselinum crispum	luteolin + succinate + CO2 + H2O	-	?	388646	
1.14.20.5	hesperetin + 2-oxoglutarate + O2	26% of the activity with naringenin	Petroselinum crispum	3,5-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-chromen-4-one + succinate + CO2 + H2O	-	?	376941	
1.14.20.5	homoeriodictyol + 2-oxoglutarate + O2	97% of the activity with naringenin	Petroselinum crispum	5,7,4'-trihydroxy-3'-methoxyflavone + succinate + CO2 + H2O	-	?	376956	
1.14.20.5	liquiritigenin + 2-oxoglutarate + O2	-	Medicago truncatula	7,4'-dihydroxyflavone + succinate + CO2 + H2O	-	?	397707	
1.14.20.5	additional information	no activity with 5,7-dihydroxy-3',4',5'-O-trimethyl-flavanone,7-O-methyl-pinocembrin, 5-O-methyl-pinocembrin, 5,7-O-dimethyl-pinocembrin	Petroselinum crispum	?	-	?	89	
1.14.20.5	additional information	no activity with eriodictyol or dihydroquercetin	Plagiochasma appendiculatum	?	-	?	89	
1.14.20.5	naringenin + 2-oxoglutarate + O2	-	Petroselinum crispum	apigenin + succinate + CO2 + H2O	-	?	377344	
1.14.20.5	naringenin + 2-oxoglutarate + O2	-	Medicago truncatula	apigenin + succinate + CO2 + H2O	-	?	377344	
1.14.20.5	naringenin + 2-oxoglutarate + O2	the enzyme catalyzes the conversion of naringenin to apigenin and 2-hydroxynaringenin. It is demonstrated that the enzyme is unable to catalyze the conversion of 2-hydroxynaringenin to apigenin. It is also confirmed that 2-hydroxynaringenin cannot be an intermediate product in the conversion of naringenin to apigenin, leaving the mechanism of conversion unknown	Plagiochasma appendiculatum	apigenin + 2-hydroxynaringenin + succinate + CO2 + H2O	-	?	441756	
1.14.20.5	naringenin + O2 + 2-oxoglutarate	-	Populus deltoides	apigenin + succinate + CO2 + H2O	flavone 7-O-methyltransferase (POMT-7) converts apigenin into 7-O-methyl apigenin (genkwanin), 28°C, 10 mM potassium phosphate buffer with 1% glucose, pH 6.0, 5 mM ascorbate, 10 microM FeSO4, 100 microM substrate naringenin, 15 h incubation	?	402786	
1.14.20.5	pinocembrin + 2-oxoglutarate + O2	-	Petroselinum crispum	chrysin + succinate + CO2 + H2O	-	?	377533	
1.14.20.5	pinocembrin + 2-oxoglutarate + O2	24% of the activity with naringenin	Petroselinum crispum	chrysin + succinate + CO2 + H2O	-	?	377533	
1.14.20.5	S-naringenin + 2-oxoglutarate + O2	purified enzyme, 3 h, 37°C, 50 microM FeSO4, 100 mg/ml catalase, 160 microM oxoglutarate, 1 mM ascorbate, 60 microM substrate (S- or R-naringenin) in 10 mM Tris/HCl buffer, pH 8.0	Oryza sativa	apigenin + succinate + CO2 + H2O	apigenin is converted by falvonoid 3',5'-hydroxylase to luteolin and tricetin	?	402921