1.2.99.8	acetaldehyde + 2,6-dichlorophenolindophenol + H2O	-	Sulfurisphaera tokodaii	acetate + reduced 2,6-dichlorophenolindophenol	-	?	420180	
1.2.99.8	acetaldehyde + 2,6-dichlorophenolindophenol + H2O	none of the tested electron acceptors (Sulfolobus ferredoxin, cytochrome c, NAD+, NADP+, benzoquinones, naphthoquinones) supports aldehyde oxidation as efficiently as 2,6-dichlorophenolindophenol. At pH 7.5, the enzyme exhibited activity preferentially towards the aliphatic aldehydes formaldehyde, acetaldehyde and propionaldehyde. At pH 6.7, supposed to be close to the intracellular pH of Sulfolobus, glyceraldehyde is the predominant substrate	Sulfolobus acidocaldarius	acetate + reduced 2,6-dichlorophenolindophenol	-	?	420180	
1.2.99.8	acetaldehyde + 2,6-dichlorophenolindophenol + H2O	none of the tested electron acceptors (Sulfolobus ferredoxin, cytochrome c, NAD+, NADP+, benzoquinones, naphthoquinones) supports aldehyde oxidation as efficiently as 2,6-dichlorophenolindophenol. At pH 7.5, the enzyme exhibited activity preferentially towards the aliphatic aldehydes formaldehyde, acetaldehyde and propionaldehyde. At pH 6.7, supposed to be close to the intracellular pH of Sulfolobus, glyceraldehyde is the predominant substrate	Sulfolobus acidocaldarius DSM 639	acetate + reduced 2,6-dichlorophenolindophenol	-	?	420180	
1.2.99.8	acetaldehyde + 2,6-dichlorophenolindophenol + H2O	-	Sulfurisphaera tokodaii DSM 16993	acetate + reduced 2,6-dichlorophenolindophenol	-	?	420180	
1.2.99.8	D-glyceraldehyde + H2O + 2,6-dichlorophenolindophenol	-	Sulfurisphaera tokodaii	D-glycerate + reduced 2,6-dichlorophenolindophenol	-	?	439429	
1.2.99.8	D-glyceraldehyde + H2O + 2,6-dichlorophenolindophenol	-	Sulfurisphaera tokodaii DSM 16993	D-glycerate + reduced 2,6-dichlorophenolindophenol	-	?	439429	
1.2.99.8	D-glyceraldehyde + H2O + acceptor	function as a glyceraldehyde oxidoreductase in the course of the nonphosphorylative Entner-Doudoroff pathway	Sulfolobus acidocaldarius	D-glycerate + reduced acceptor	-	?	419404	
1.2.99.8	D-glyceraldehyde + H2O + acceptor	function as a glyceraldehyde oxidoreductase in the course of the nonphosphorylative Entner-Doudoroff pathway	Sulfolobus acidocaldarius DSM 639	D-glycerate + reduced acceptor	-	?	419404	
1.2.99.8	D-glyceraldehyde + H2O + methyl viologen	-	Sulfurisphaera tokodaii	D-glycerate + reduced methyl viologen	-	?	439430	
1.2.99.8	D-glyceraldehyde + H2O + methyl viologen	-	Sulfurisphaera tokodaii DSM 16993	D-glycerate + reduced methyl viologen	-	?	439430