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BRENDA support

Information on EC 1.1.3.37 - D-arabinono-1,4-lactone oxidase

for references in articles please use BRENDA:EC1.1.3.37

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IUBMB Comments

A flavoprotein (FAD). L-Galactono-1,4-lactone, L-gulono-1,4-lactone and L-xylono-1,4-lactone can also act as substrates but D-glucono-1,5-lactone, L-arabinono-1,4-lactone, D-galactono-1,4-lactone and D-gulono-1,4-lactone cannot . With L-galactono-1,4-lactone as substrate, the product is L-ascorbate . The product dehydro-D-arabinono-1,4-lactone had previously been referred to erroneously as D-erythroascorbate (CAS no.: 5776-48-7; formula: C6H8O6), although it was referred to as a five-carbon compound .

The expected taxonomic range for this enzyme is: Eukaryota, Bacteria

Synonyms
d-arabinono-1,4-lactone oxidase, ara2p, arabinonolactone oxidase, l-galactono-gamma-lactone oxidase, more

REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
D-arabinono-1,4-lactone + O2 = dehydro-D-arabinono-1,4-lactone + H2O2
show the reaction diagram
A flavoprotein (FAD). The product had previously been referred to erroneously as D-erythro-ascorbate
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PATHWAY SOURCE
PATHWAYS
MetaCyc
dehydro-D-arabinono-1,4-lactone biosynthesis
Highest Expressing Human Cell Lines
Cell Line Links Gene Links