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Information on EC 3.1.1.107 - apo-salmochelin esterase

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EC Tree
     3 Hydrolases
         3.1 Acting on ester bonds
             3.1.1 Carboxylic-ester hydrolases
                3.1.1.107 apo-salmochelin esterase
IUBMB Comments
This bacterial enzyme is present in pathogenic Salmonella species, uropathogenic and avian pathogenic Escherichia coli strains, and certain Klebsiella strains. Unlike EC 3.1.1.108, ferric enterobactin esterase, which acts only on enterobactin, this enzyme can also act on the C-glucosylated forms known as salmochelins. Unlike EC 3.1.1.109, ferric salmochelin esterase (IroD), IroE prefers apo siderophores as substrates, and is assumed to act before the siderophores are exported out of the cell. It hydrolyses the trilactone only once, producing linearized trimers.
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The expected taxonomic range for this enzyme is: Escherichia coli
Synonyms
enterobactin hydrolase, iroE, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
diglucosyl-enterobactin + H2O = diglucosyl-(2,3-dihydroxybenzoylserine)3
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(3)
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enterobactin + H2O = N-(2,3-dihydroxybenzoyl)-L-serine trimer
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(1)
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monoglucosyl-enterobactin + H2O = monoglucosyl-(2,3-dihydroxybenzoylserine)3
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(4)
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triglucosyl-enterobactin + H2O = triglucosyl-(2,3-dihydroxybenzoylserine)3
show the reaction diagram
(2)
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