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Literature summary extracted from

  • Beerhues, L.; Forkmann, G.; Schoepker, H.; Stotz, G.; Wiermann, R.
    Flavanone 3-hydroxylase and dihydroflavonol oxygenase activities in anthers of Tulipa. The significance of the tapetum fraction in flavonoid metabolism (1989), J. Plant Physiol., 133, 743-746.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.14.11.9 diethyldicarbonate 0.5 mM, 10% inhibition; 2 mM, complete inhibition; slight Tulipa hybrid cultivar
1.14.11.9 EDTA 2 mM, complete inhibition Tulipa hybrid cultivar
1.14.11.9 KCN 5 mM, 72% inhibition Tulipa hybrid cultivar
1.14.11.9 p-chloromercuribenzoate no inhibition Tulipa hybrid cultivar

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.14.11.9 Fe2+
-
 Tulipa hybrid cultivar

Organism

EC Number Organism UniProt Comment Textmining
1.14.11.9 Tulipa hybrid cultivar
-
 c.v. Apeldoorn
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.14.11.9 anther tapetum-bound Tulipa hybrid cultivar
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.11.9 (2S)-naringenin + 2-oxoglutarate + O2
-
 Tulipa hybrid cultivar (2R,3R)-dihydrokaempferol + succinate + CO2
-
 ?
1.14.11.9 eriodictyol + 2-oxoglutarate + O2 50% of the activity with naringenin Tulipa hybrid cultivar (2R,3R)-dihydroquercetin + succinate + CO2
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.14.11.9 7.5
-
-
 Tulipa hybrid cultivar