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Literature summary for 3.1.1.107 extracted from

  • Larsen, N.; Lin, H.; Wei, R.; Fischbach, M.; Walsh, C.
    Structural characterization of enterobactin hydrolase IroE (2006), Biochemistry, 45, 10184-10190 .
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21(DE3) cells Escherichia coli

Crystallization (Commentary)

Crystallization (Comment) Organism
native enzyme and enzyme in complex with diisopropyl fluorophosphonate, sitting drop vapor diffusion method, using 6-10% (w/v) PEG 3350 and 100 mM HEPES (pH 7.5) Escherichia coli

Protein Variants

Protein Variants Comment Organism
D250A the mutant shows 59% activity with enterobactin and 72% activity with diglucosyl-enterobactin compared to the wild type enzyme Escherichia coli
D250N the mutant shows 72% activity with enterobactin and 62% activity with diglucosyl-enterobactin compared to the wild type enzyme Escherichia coli
D90A the mutant shows 0.4% activity with enterobactin and 0.56% activity with diglucosyl-enterobactin compared to the wild type enzyme Escherichia coli
D90N the mutant shows 1.5% activity with enterobactin and 1.5% activity with diglucosyl-enterobactin compared to the wild type enzyme Escherichia coli
E253A the mutant shows 78% activity with enterobactin and 86% activity with diglucosyl-enterobactin compared to the wild type enzyme Escherichia coli
E253Q the mutant shows 92% activity with enterobactin and 97% activity with diglucosyl-enterobactin compared to the wild type enzyme Escherichia coli
H287A inactive Escherichia coli
R130K the mutant shows 0.036% activity with enterobactin and 0.41% activity with diglucosyl-enterobactin compared to the wild type enzyme Escherichia coli
R130Q inactive Escherichia coli
S189A inactive Escherichia coli
S245D the mutant shows 60% activity with enterobactin and 60% activity with diglucosyl-enterobactin compared to the wild type enzyme Escherichia coli
S245E the mutant shows 84% activity with enterobactin and 66% activity with diglucosyl-enterobactin compared to the wild type enzyme Escherichia coli

Inhibitors

Inhibitors Comment Organism Structure
diisopropyl fluorophosphonate
-
Escherichia coli

Localization

Localization Comment Organism GeneOntology No. Textmining
periplasm
-
Escherichia coli
-
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
diglucosyl-enterobactin + H2O Escherichia coli
-
diglucosyl-(2,3-dihydroxybenzoylserine)3
-
?
diglucosyl-enterobactin + H2O Escherichia coli CFT073
-
diglucosyl-(2,3-dihydroxybenzoylserine)3
-
?
enterobactin + H2O Escherichia coli
-
N-(2,3-dihydroxybenzoyl)-L-serine trimer
-
?
enterobactin + H2O Escherichia coli CFT073
-
N-(2,3-dihydroxybenzoyl)-L-serine trimer
-
?
monoglucosyl-enterobactin + H2O Escherichia coli
-
monoglucosyl-(2,3-dihydroxybenzoylserine)3
-
?
monoglucosyl-enterobactin + H2O Escherichia coli CFT073
-
monoglucosyl-(2,3-dihydroxybenzoylserine)3
-
?
salmochelin S4 + H2O Escherichia coli
-
salmochelin S2
-
?
salmochelin S4 + H2O Escherichia coli CFT073
-
salmochelin S2
-
?
triglucosyl-enterobactin + H2O Escherichia coli
-
triglucosyl-(2,3-dihydroxybenzoylserine)3
-
?
triglucosyl-enterobactin + H2O Escherichia coli CFT073
-
triglucosyl-(2,3-dihydroxybenzoylserine)3
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli A0A0H2V871
-
-
Escherichia coli CFT073 A0A0H2V871
-
-

Purification (Commentary)

Purification (Comment) Organism
Ni-NTA column chromatography and Superdex S200 gel filtration Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
diglucosyl-enterobactin + H2O
-
Escherichia coli diglucosyl-(2,3-dihydroxybenzoylserine)3
-
?
diglucosyl-enterobactin + H2O
-
Escherichia coli CFT073 diglucosyl-(2,3-dihydroxybenzoylserine)3
-
?
enterobactin + H2O
-
Escherichia coli N-(2,3-dihydroxybenzoyl)-L-serine trimer
-
?
enterobactin + H2O
-
Escherichia coli CFT073 N-(2,3-dihydroxybenzoyl)-L-serine trimer
-
?
monoglucosyl-enterobactin + H2O
-
Escherichia coli monoglucosyl-(2,3-dihydroxybenzoylserine)3
-
?
monoglucosyl-enterobactin + H2O
-
Escherichia coli CFT073 monoglucosyl-(2,3-dihydroxybenzoylserine)3
-
?
salmochelin S4 + H2O
-
Escherichia coli salmochelin S2
-
?
salmochelin S4 + H2O
-
Escherichia coli CFT073 salmochelin S2
-
?
triglucosyl-enterobactin + H2O
-
Escherichia coli triglucosyl-(2,3-dihydroxybenzoylserine)3
-
?
triglucosyl-enterobactin + H2O
-
Escherichia coli CFT073 triglucosyl-(2,3-dihydroxybenzoylserine)3
-
?

Subunits

Subunits Comment Organism
monomer 1 * 30800, calculated from amino acid sequence Escherichia coli

Synonyms

Synonyms Comment Organism
enterobactin hydrolase
-
Escherichia coli
iroE
-
Escherichia coli