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Literature summary for 1.14.11.13 extracted from

  • Griggs, D.L.; Hedden, P.; Lazarus, C.M.
    Partial purification of two gibberellin 2beta-hydroxylases from cotyledons of Phaseolus vulgaris (1991), Phytochemistry, 30, 2507-2512.
No PubMed abstract available

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.000027
-
[2,3-3H2]gibberellin 9 isoenzyme II Phaseolus vulgaris
0.000052
-
[1,2-3H2]gibberellin 1 isoenzyme II Phaseolus vulgaris
0.00006
-
[1,2-3H2]gibberellin 4 isoenzyme I Phaseolus vulgaris
0.000103
-
[1,2-3H2]gibberellin 1 isoenzyme I Phaseolus vulgaris
0.000135
-
[1,2-3H2]gibberellin 4 isoenzyme II Phaseolus vulgaris
0.000302
-
[1,2,3-3H3]gibberellin 20 isoenzyme I Phaseolus vulgaris
0.000538
-
[2,3-3H2]gibberellin 9 isoenzyme I Phaseolus vulgaris
0.0045
-
[2,3-3H2]gibberellin 9 isoenzyme II Phaseolus vulgaris
0.0118
-
[1,2-3H2]gibberellin 1 isoenzyme I Phaseolus vulgaris
0.01244
-
[1,2,3-3H3]gibberellin 20 isoenzyme II Phaseolus vulgaris

Metals/Ions

Metals/Ions Comment Organism Structure
Fe2+
-
Phaseolus vulgaris
Fe2+
-
Pisum sativum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
26000
-
isoenzyme I, size exclusion column, SDS-PAGE Phaseolus vulgaris
36000
-
-
Phaseolus vulgaris
42000
-
isoenzyme II, gel filtration, SDS-PAGE Phaseolus vulgaris

Organism

Organism UniProt Comment Textmining
Phaseolus vulgaris
-
var. Canadian Wonder
-
Pisum sativum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
two gibberellin 2beta-hydroxylases partially purified Phaseolus vulgaris

Source Tissue

Source Tissue Comment Organism Textmining
cotyledon
-
Phaseolus vulgaris
-
cotyledon
-
Pisum sativum
-
seed
-
Pisum sativum
-
seed mature seeds Phaseolus vulgaris
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
gibberellin 1 + 2-oxoglutarate + O2
-
Phaseolus vulgaris 2beta-hydroxygibberellin 1 + succinate + CO2
-
?
gibberellin 1 + 2-oxoglutarate + O2
-
Pisum sativum 2beta-hydroxygibberellin 1 + succinate + CO2
-
?
[1,2,3-3H3]gibberellin 20 + 2-oxoglutarate + O2
-
Phaseolus vulgaris ?
-
?
[1,2-3H2]gibberellin 1 + 2-oxoglutarate + O2 isoenzyme I Phaseolus vulgaris ?
-
?
[2,3-3H2]gibberellin 9 + 2-oxoglutarate + O2 isoenzyme II Phaseolus vulgaris ?
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.8
-
-
Phaseolus vulgaris
6 7 similar optimum for both isoenzymes Phaseolus vulgaris

Cofactor

Cofactor Comment Organism Structure
2-oxoglutarate
-
Phaseolus vulgaris
2-oxoglutarate
-
Pisum sativum
ascorbate
-
Phaseolus vulgaris
ascorbate
-
Pisum sativum