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Literature summary for 1.14.11.15 extracted from

  • Zhou, R.; Yu, M.; Pharis, R.P.
    16,17-dihydro gibberellin A5 competitively inhibits a recombinant Arabidopsis GA 3beta-hydroxylase encoded by the GA4 gene (2004), Plant Physiol., 135, 1000-1007.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expression as a GST-fusion protein in Escherichia coli Arabidopsis sp.

Inhibitors

Inhibitors Comment Organism Structure
endo-16,17-dihydro gibberellin A5 competitive inhibitor of 3beta-hydroxylation of gibberellin A20 Arabidopsis sp.
exo-16,17-dihydro gibberellin A20 competitive inhibitor of 3beta-hydroxylation of gibberellin A20 Arabidopsis sp.
exo-16,17-dihydro gibberellin A5 competitive inhibitor of 3beta-hydroxylation of gibberellin A20 Arabidopsis sp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00125
-
gibberellin a9
-
Arabidopsis sp.
0.01
-
gibberellin a20
-
Arabidopsis sp.

Organism

Organism UniProt Comment Textmining
Arabidopsis sp.
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
gibberellin a20 + 2-oxoglutarate + O2 GST-fusion protein Arabidopsis sp. gibberellin a1 + succinate + CO2
-
?
gibberellin A5 + 2-oxoglutarate + O2
-
Arabidopsis sp. gibberellin A6 + succinate + CO2
-
?
gibberellin a9 + 2-oxoglutarate + O2
-
Arabidopsis sp. gibberellin a4 + succinate + CO2
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Arabidopsis sp.

pH Range

pH Minimum pH Maximum Comment Organism
6 9 activity is reduced appreciably below pH 6 and above pH 9 Arabidopsis sp.