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Muconolactone Δ-isomerase
Class of enzymes From Wikipedia, the free encyclopedia
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In enzymology, a muconolactone Δ-isomerase (EC 5.3.3.4) is an enzyme that catalyzes the chemical reaction
- (S)-5-oxo-2,5-dihydrofuran-2-acetate 5-oxo-4,5-dihydrofuran-2-acetate
Hence, this enzyme has one substrate, (S)-5-oxo-2,5-dihydrofuran-2-acetate, and one product, 5-oxo-4,5-dihydrofuran-2-acetate.
This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases transposing C=C bonds. The systematic name of this enzyme class is 5-oxo-4,5-dihydrofuran-2-acetate Delta3-Delta2-isomerase. This enzyme is also called muconolactone isomerase. This enzyme participates in benzoate degradation via hydroxylation.
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Structural studies
As of late 2007, only one structure has been solved for this class of enzymes, with the PDB accession code 1MLI.
References
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