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Information on EC 5.3.1.4 - L-arabinose isomerase and Organism(s) Alkalihalobacillus halodurans and UniProt Accession Q9KBQ2

for references in articles please use BRENDA:EC5.3.1.4
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IUBMB Comments
Requires a divalent metal ion (the enzyme from the bacterium Escherichia coli prefers Mn2+) . The enzyme binds beta-L-arabinopyranose 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 alpha-D-galactose to D-tagatose with lower efficiency .
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Alkalihalobacillus halodurans
UNIPROT: Q9KBQ2
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Word Map
The taxonomic range for the selected organisms is: Alkalihalobacillus halodurans
The expected taxonomic range for this enzyme is: Bacteria, Archaea
Synonyms
l-arabinose isomerase, arabinose isomerase, l-ai nc8, l-ai us100, d-galactose isomerase, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Isomerase, L-arabinose
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L-arabinose ketol-isomerase
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
isomerization
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intramolecular oxidoreduction
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PATHWAY SOURCE
PATHWAYS
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SYSTEMATIC NAME
IUBMB Comments
beta-L-arabinopyranose aldose-ketose-isomerase
Requires a divalent metal ion (the enzyme from the bacterium Escherichia coli prefers Mn2+) [2]. The enzyme binds beta-L-arabinopyranose [4] and catalyses ring opening to generate a form of open-chain conformation that facilitates the isomerization reaction, which proceeds via an ene-diol mechanism [6]. The enzyme can also convert alpha-D-galactose to D-tagatose with lower efficiency [5].
CAS REGISTRY NUMBER
COMMENTARY hide
9023-80-7
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