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Literature summary for 1.2.4.2 extracted from

  • Carlsson, P.; Hederstedt, L.
    Genetic characterization of Bacillus subtilis odhA and odhB, encoding 2-oxoglutarate dehydrogenase and dihydrolipoamide transsuccinylase, respectively (1989), J. Bacteriol., 171, 3667-3672.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
2-oxoglutarate dehydrogenase component E1o, expression in Escherichia coli Bacillus subtilis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
110000
-
x * 110000, SDS-PAGE Bacillus subtilis

Organism

Organism UniProt Comment Textmining
Bacillus subtilis
-
-
-

Reaction

Reaction Comment Organism Reaction ID
2-oxoglutarate + [dihydrolipoyllysine-residue succinyltransferase] lipoyllysine = [dihydrolipoyllysine-residue succinyltransferase] S-succinyldihydrolipoyllysine + CO2 2-oxoglutarate dehydrogenase complex consists of 3 enzymes: E1 (alpha-ketoglutarate dehydrogenase, EC 1.2.4.2), E2 (dihydrolipoyl transsuccinylase, EC 2.3.1.61), E3 (dihydrolipoyl dehydrogenase, EC 1.8.1.4) Bacillus subtilis
2-oxoglutarate + [dihydrolipoyllysine-residue succinyltransferase] lipoyllysine = [dihydrolipoyllysine-residue succinyltransferase] S-succinyldihydrolipoyllysine + CO2 the enzyme complex catalyzes the reaction : 2-oxoglutarate + CoA + NAD+--> succinyl-CoA + CO2 + NADH, the following partial reactions are catalyzed: 1. HOOC(CH2)2COCOOH + (thiamine diphosphate)-E1--> (HOOC(CH2)2 CHOH-thiamine-diphosphate)-E1 + CO2, 2. (HOOC(CH2)2CH OH-thiamine-diphosphate)-E1 + (LipS2)-E2--> (HOOC(CH)2 CO-(SLipSH))-E2 + (thiamine-diphosphate)-E1, 3. (HOOC(CH2)2CO-(SLipSH))-E2 + HSCoA--> (Lip(SH)2)-E2 + HOOC(CH2)2CO-SCoA, 4. (Lip(SH)2)-E2 + E3-FAD--> (LipS2)-E2 + reduced E3-FAD, 5. reduced E3-FAD + NAD+--> E3-FAD + NADH Bacillus subtilis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2-oxoglutarate + lipoamide
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Bacillus subtilis S-succinyldihydrolipoamide + CO2
-
?

Subunits

Subunits Comment Organism
? x * 110000, SDS-PAGE Bacillus subtilis