2.3.1.190 acetoin + 2,6-dichlorophenolindophenol - Syntrophotalea carbinolica acetaldehyde + ? - 408252 2.3.1.190 acetoin + 2,6-dichlorophenolindophenol E1 complex Saccharolobus solfataricus acetaldehyde + ? - 408252 2.3.1.190 acetoin + 2,6-dichlorophenolindophenol E1 complex Alcaligenes eutrophus H16 acetaldehyde + ? - 408252 2.3.1.190 acetoin + CoA + NAD+ - Pseudomonas aeruginosa acetaldehyde + acetyl-CoA + NADH + H+ - 455157 2.3.1.190 acetoin + CoA + NAD+ - Pseudomonas aeruginosa ATCC 15692 acetaldehyde + acetyl-CoA + NADH + H+ - 455157 2.3.1.190 diacetyl + 2,6-dichlorophenolindophenol - Syntrophotalea carbinolica ? - 409281 2.3.1.190 diacetyl + 2,6-dichlorophenolindophenol E1 complex, 59% of the activity with acetoin Saccharolobus solfataricus ? - 409281 2.3.1.190 diacetyl + CoA + NAD+ - Pseudomonas aeruginosa ? - 455580 2.3.1.190 diacetyl + CoA + NAD+ - Pseudomonas aeruginosa ATCC 15692 ? - 455580 2.3.1.190 methyl acetoin + 2,6-dichlorophenolindophenol - Syntrophotalea carbinolica ? + ? - 409883 2.3.1.190 methyl acetoin + 2,6-dichlorophenolindophenol E1 complex, 107% of the activity with acetoin Saccharolobus solfataricus ? + ? - 409883 2.3.1.190 additional information The combination of purified Ao:DCPIP OR, dihydrolipoamide dehydrogenase, and dihydrolipoamide acetyltransferase in the presence of thiamine diphosphate and the substrate acetoin or methylacetoin results in a coenzyme A-dependent reduction of NAD+ Syntrophotalea carbinolica ? - 89 2.3.1.190 additional information no detectable activity with 2-oxoglutarate, pyruvate or the branched-chain 2-oxoacids, 4-methyl-2-oxopentanoate, 3-methyl-2-oxopentanoate and 3-methyl-2-oxobutanoate Saccharolobus solfataricus ? - 89