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5-dehydro-4-deoxyglucarate dehydratase

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5-dehydro-4-deoxyglucarate dehydratase
Identifiers
EC no.4.2.1.41
CAS no.37290-77-0
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
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MetaCycmetabolic pathway
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The enzyme 5-dehydro-4-deoxyglucarate dehydratase (EC 4.2.1.41) catalyzes the chemical reaction

5-dehydro-4-deoxy-D-glucarate 2,5-dioxopentanoate + H2O + CO2

Enzyme class

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This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. The systematic name of this enzyme class is 5-dehydro-4-deoxy-D-glucarate hydro-lyase (decarboxylating 2,5-dioxopentanoate-forming). Other names in common use include 5-keto-4-deoxy-glucarate dehydratase, deoxyketoglucarate dehydratase, D-4-deoxy-5-ketoglucarate hydro-lyase, and 5-dehydro-4-deoxy-D-glucarate hydro-lyase (decarboxylating). This enzyme participates in ascorbate and aldarate metabolism.

References

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  • Jeffcoat R, Hassall H, Dagley S (1969). "Purification and properties of D-4-deoxy-5-oxoglucarate hydro-lyase (decarboxylating)". Biochem. J. 115 (5): 977–83. PMC 1185240. PMID 4982840.