Metabolic Modeling Tutorial
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BioCyc websites down
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Metabolic Modeling Tutorial
discounted EARLY registration ends Dec 31, 2014
BioCyc websites down
12/28 - 12/31
for maintenance.
Metabolic Modeling Tutorial
discounted EARLY registration ends Dec 31, 2014
BioCyc websites down
12/28 - 12/31
for maintenance.
Metabolic Modeling Tutorial
discounted EARLY registration ends Dec 31, 2014
BioCyc websites down
12/28 - 12/31
for maintenance.
Metabolic Modeling Tutorial
discounted EARLY registration ends Dec 31, 2014
BioCyc websites down
12/28 - 12/31
for maintenance.
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MetaCyc Reaction: 1.14.11.9

Superclasses: Reactions Classified By Conversion Type Simple Reactions Chemical Reactions
Reactions Classified By Substrate Small-Molecule Reactions

EC Number: 1.14.11.9

Enzymes and Genes:
flavanone 3β-hydroxylase Inferred from experiment ( Equisetum arvense )
flavanone 3β-hydroxylase Inferred from experiment ( Matthiola incana )
flavanone 3β-hydroxylase Inferred from experiment : AN3 ( Petunia x hybrida )
flavanone 3β-hydroxylase Inferred from experiment : TT6 ( Arabidopsis thaliana col )

In Pathway: leucopelargonidin and leucocyanidin biosynthesis , flavonoid biosynthesis (in equisetum)

Note that this reaction equation differs from the official Enzyme Commission reaction equation for this EC number, which can be found here .

The reaction direction shown, that is, A + B ↔ C + D versus C + D ↔ A + B, is in accordance with the Enzyme Commission system.

Mass balance status: Balanced.

Direct generic reaction:
a flavanone + 2-oxoglutarate + oxygen → a dihydroflavonol + succinate + CO2 (1.14.11.9)

Enzyme Commission Primary Name: flavanone 3-dioxygenase

Enzyme Commission Synonyms: naringenin 3-hydroxylase, flavanone 3-hydroxylase, flavanone 3β-hydroxylase, flavanone synthase I, (2S)-flavanone 3-hydroxylase, naringenin,2-oxoglutarate:oxygen oxidoreductase (3-hydroxylating)

Standard Gibbs Free Energy (ΔrG in kcal/mol): -95.88101 Inferred by computational analysis [Latendresse13]

Enzyme Commission Summary:
Requires Fe2+ and ascorbate.

Citations: [Wellmann04, Forkmann80]

Gene-Reaction Schematic: ?

Unification Links: KEGG:R03640

Relationship Links: BRENDA:EC:1.14.11.9 , ENZYME:EC:1.14.11.9 , IUBMB-ExplorEnz:EC:1.14.11.9


References

Forkmann80: Forkmann G, Heller W, Grisebach H (1980). "Anthocyanin biosynthesis in flowers of Matthiola incana. Flavanone 3- and flavonoid 3'-hydroxylases." Z. Naturforsch. 35c, 691-695.

Latendresse13: Latendresse M. (2013). "Computing Gibbs Free Energy of Compounds and Reactions in MetaCyc."

Wellmann04: Wellmann F, Matern U, Lukacin R (2004). "Significance of C-terminal sequence elements for Petunia flavanone 3β-hydroxylase activity." FEBS Lett 561(1-3);149-54. PMID: 15013767


Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of MetaCyc: Caspi et al, Nucleic Acids Research 42:D459-D471 2014
Page generated by SRI International Pathway Tools version 18.5 on Fri Dec 19, 2014, biocyc14.