Information on EC - D-arabinose isomerase

for references in articles please use BRENDA:EC5.3.1.3
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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 catalyses the aldose-ketose isomerization of several sugars. Most enzymes also catalyse the reaction of EC, L-fucose isomerase . The enzyme from the bacterium Falsibacillus pallidus also converts D-altrose to D-psicose . cf. EC, L-arabinose isomerase.
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Word Map
The expected taxonomic range for this enzyme is: Bacteria, Eukaryota
Reaction Schemes
D-AI, D-arabinose aldose-ketose-isomerase, D-Arabinose isomerase, D-arabinose ketol-isomerase, D-Arabinose(L-fucose) isomerase, EC, Isomerase, arabinose, L-Fucose isomerase, more
D-Arabinose = D-ribulose
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