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Literature summary extracted from

  • King, R.W.; Junttila, O.; Mander, L.N.; Beck, E.J.
    Gibberellin structure and function: Biological activity and competitive inhibition of gibberellin 2- and 3-oxidases (2004), Physiol. Plant., 120, 287-297.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.14.11.13 gibberellin 1 strong inhibition of the conversion of gibberellin 20 Pisum sativum
1.14.11.13 gibberellin 3 strong inhibition of the conversion of gibberellin 20 Pisum sativum
1.14.11.13 gibberellin 5 strong inhibition of the conversion of gibberellin 20 Pisum sativum
1.14.11.15 13-O-acetyl-16,17-dihydrogibberellin A5 competitive, 50% inhibition of activity with gibberellin A20: 0.008 mM Pisum sativum
1.14.11.15 13-O-acetylgibberellin A5 competitive, 50% inhibition of activity with gibberellin A20: 0.004 mM Pisum sativum
1.14.11.15 16,17-dihydrogibberellin A20 competitive, 50% inhibition of activity with gibberellin A20: 0.05 mM Pisum sativum
1.14.11.15 16,17-dihydrogibberellin A5 competitive, 50% inhibition of activity with gibberellin A20: 0.192 mM Pisum sativum
1.14.11.15 17-ethyl-16,17-dihydrogibberellin A5 competitive, 50% inhibition of activity with gibberellin A20: 0.009 mM Pisum sativum
1.14.11.15 17-methyl-16,17-dihydrogibberellin A5 competitive, 50% inhibition of activity with gibberellin A20: 0.002 mM Pisum sativum
1.14.11.15 17-n-propyl-16,17-dihydrogibberellin A5 competitive, 50% inhibition of activity with gibberellin A20: 0.007 mM Pisum sativum
1.14.11.15 gibberellin a20 competitive, 50% inhibition of activity with gibberellin A20: 0.02 mM Pisum sativum
1.14.11.15 gibberellin a5 competitive, 50% inhibition of activity with gibberellin A20: 0.062 mM Pisum sativum
1.14.11.15 trinexapac ethyl competitive, 50% inhibition of activity with gibberellin A20: 0.3 mM Pisum sativum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.14.11.13 gibberellin 1 + 2-oxoglutarate + O2 Pisum sativum inactivation of bioactive gibberellins gibberellin 8 + succinate + CO2
-
 ?
1.14.11.15 gibberellin a20 + 2-oxoglutarate + O2 Pisum sativum enzyme is involved in gibberelin biosynthesis gibberellin a1 + succinate + CO2
-
 ?

Organic Solvent Stability

EC Number Organic Solvent Comment Organism
1.14.11.13 Ethanol no significant inhibition up to a concentration of 2% Pisum sativum

Organism

EC Number Organism UniProt Comment Textmining
1.14.11.13 Pisum sativum
-
 two differnt enzymes identified, PsGAox1 and PsGAox2
-
1.14.11.15 Pisum sativum
-
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.11.13 gibberellin 1 + 2-oxoglutarate + O2 inactivation of bioactive gibberellins Pisum sativum gibberellin 8 + succinate + CO2
-
 ?
1.14.11.13 gibberellin 1 + 2-oxoglutarate + O2 PsGAox1 and PsGAox2 Pisum sativum gibberellin 8 + succinate + CO2
-
 ?
1.14.11.13 gibberellin 20 + 2-oxoglutarate + O2 PsGAox1but not PsGAox2 Pisum sativum gibberellin 29 + succinate + CO2
-
 ?
1.14.11.15 gibberellin a20 + 2-oxoglutarate + O2
-
 Pisum sativum gibberellin a1 + succinate + CO2
-
 ?
1.14.11.15 gibberellin a20 + 2-oxoglutarate + O2 enzyme is involved in gibberelin biosynthesis Pisum sativum gibberellin a1 + succinate + CO2
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.14.11.15 gibberellin 3-oxidase
-
 Pisum sativum