MetaCyc Reaction:

Superclasses: Reactions Classified By Conversion TypeSimple ReactionsChemical Reactions
Reactions Classified By SubstrateSmall-Molecule Reactions

EC Number:

Enzymes and Genes:

Arabidopsis thaliana col: chalcone isomeraseInferred from experiment: AT3g55120
chalcone isomerase: AT5g66220
Hordeum vulgare: chalcone isomerase
Medicago sativa: chalcone isomerase 1Inferred from experiment: CHI1
Oryza sativa: chalcone isomerase: OJ1754_E06.14
Zea mays: chalcone isomerase: CHI_MAIZE

In Pathway: flavonoid biosynthesis (in equisetum), naringenin biosynthesis (engineered), flavonoid biosynthesis

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

The direction shown, i.e. which substrates are on the left and right sides, is in accordance with the Enzyme Commission system.

Mass balance status: Balanced.

Direct generic reaction:
a chalcone = a flavanone (

Enzyme Commission Primary Name: chalcone isomerase

Enzyme Commission Synonyms: chalcone-flavanone isomerase

Standard Gibbs Free Energy (ΔrG in kcal/mol): -9.92Inferred by computational analysis [Latendresse13]

Gene-Reaction Schematic

Gene-Reaction Schematic

Unification Links: KEGG:R02446

Relationship Links: BRENDA:EC:, ENZYME:EC:, IUBMB-ExplorEnz:EC:, UniProt:RELATED-TO:O22604, UniProt:RELATED-TO:O22651, UniProt:RELATED-TO:O81980, UniProt:RELATED-TO:P11650, UniProt:RELATED-TO:P11651, UniProt:RELATED-TO:P14298, UniProt:RELATED-TO:P28012, UniProt:RELATED-TO:P41088, UniProt:RELATED-TO:P41089, UniProt:RELATED-TO:Q08704, UniProt:RELATED-TO:Q42925, UniProt:RELATED-TO:Q42926, UniProt:RELATED-TO:Q43754


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

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 19.5 on Sun Nov 29, 2015, BIOCYC13A.