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Literature summary extracted from

  • Flint, D.H.; Tuminello, J.F.; Miller, T.J.
    Studies on the synthesis of the Fe-S cluster of dihydroxy-acid dehydratase in escherichia coli crude extract. Isolation of O-acetylserine sulfhydrylases A and B and beta-cystathionase based on their ability to mobilize sulfur from cysteine and to participate in Fe-S cluster synthesis (1996), J. Biol. Chem., 271, 16053-16067.
    View publication on PubMed

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
4.2.1.9 Iron contains a catalytically active [4Fe-4S] cluster Escherichia coli
4.2.1.9 Iron studies on the synthesis of Fe-S cluster Escherichia coli

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.5.1.47 L-Cys + acetate Escherichia coli involved in mobilization of sulfide from cysteine for Fe-S cluster formation, significance in vivo unclear ?
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.5.1.47 Escherichia coli
-
-
-
4.2.1.9 Escherichia coli
-
-
-

Reaction

EC Number Reaction Comment Organism Reaction ID
2.5.1.47 O-acetyl-L-serine + hydrogen sulfide = L-cysteine + acetate mechanism of reverse reaction Escherichia coli

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.5.1.47 additional information
-
activity depends on presence of nucleophiles Escherichia coli

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.5.1.47 L-Cys + acetate
-
Escherichia coli O-acetyl-L-Ser + H2S
-
r
2.5.1.47 L-Cys + acetate involved in mobilization of sulfide from cysteine for Fe-S cluster formation, significance in vivo unclear Escherichia coli ?
-
?
2.5.1.47 additional information several nucleophiles may stimulate sulfide formation Escherichia coli ?
-
?
2.5.1.47 O-acetyl-L-Ser + H2S
-
Escherichia coli L-Cys + acetate
-
r
4.2.1.9 2,3-dihydroxy-3-methylbutanoate
-
Escherichia coli 2-oxoisovalerate + H2O
-
?
4.2.1.9 2,3-dihydroxy-3-methylpentanoate
-
Escherichia coli 3-methyl-2-oxopentanoate + H2O
-
?