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Information on EC 5.3.1.4 - L-arabinose isomerase

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IUBMB Comments
Requires a divalent metal ion (the enzyme from the bacterium Escherichia coli prefers Mn2+) . The enzyme binds the closed form of the sugar and catalyses ring opening to generate a form of open-chain conformation that facilitates the isomerization reaction, which proceeds via an ene-diol mechanism . The enzyme can also convert D-galactose to D-tagatose with lower efficiency .
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Word Map
The enzyme appears in viruses and cellular organisms
Reaction Schemes
Synonyms
arabinose isomerase, l-ai us100, l-ai nc8, d-galactose isomerase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
L-Arabinose = L-ribulose
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