1.2.7.B2	acetaldehyde + H2O + oxidized benzyl viologen	-	Pyrococcus furiosus	acetate + H+ + reduced benzyl viologen	-	?	359391	
1.2.7.B2	acetaldehyde + H2O + oxidized benzyl viologen	-	Pyrococcus furiosus	acetate + reduced benzyl viologen + H+	-	?	422721	
1.2.7.B2	acetaldehyde + H2O + oxidized methyl viologen	-	Thermococcus litoralis	acetate + H+ + reduced methyl viologen	-	?	387711	
1.2.7.B2	acetaldehyde + H2O + oxidized methyl viologen	-	Thermococcus litoralis DSM 5473	acetate + H+ + reduced methyl viologen	-	?	387711	
1.2.7.B2	butyraldehyde + H2O + oxidized methyl viologen	10% compared to the activity with acetyladehyde	Thermococcus litoralis	butyrate + H+ + reduced methyl viologen	-	?	423089	
1.2.7.B2	butyraldehyde + H2O + oxidized methyl viologen	10% compared to the activity with acetyladehyde	Thermococcus litoralis DSM 5473	butyrate + H+ + reduced methyl viologen	-	?	423089	
1.2.7.B2	crotonaldehyde + H2O + oxidized methyl viologen	specific activity is 2.5% compared to the activity with formaldehyde	Pyrococcus furiosus	crotonate + reduced methyl viologen + H+	-	?	423196	
1.2.7.B2	formaldehyde + H2O + 2 oxidized ferredoxin	-	Pyrococcus furiosus	formate + 2 H+ + 2 reduced ferredoxin	-	?	423527	
1.2.7.B2	formaldehyde + H2O + 2 oxidized ferredoxin	-	Thermococcus litoralis	formate + 2 H+ + 2 reduced ferredoxin	-	?	423527	
1.2.7.B2	formaldehyde + H2O + 2 oxidized ferredoxin	-	Thermococcus litoralis DSM 5473	formate + 2 H+ + 2 reduced ferredoxin	-	?	423527	
1.2.7.B2	formaldehyde + H2O + 2 oxidized ferredoxin	formaldehyde is unlikely to be the physiologiocal substrate (Km-value: 25 mM)	Pyrococcus furiosus	formate + 2 reduced ferredoxin + 2 H+	-	?	423528	
1.2.7.B2	formaldehyde + H2O + 2 oxidized methyl viologen	-	Pyrococcus furiosus	formate + 2 reduced methyl viologen + 2 H+	-	?	461049	
1.2.7.B2	formaldehyde + H2O + oxidized benzyl viologen	-	Pyrococcus furiosus	formate + H+ + reduced benzyl viologen	-	?	359389	
1.2.7.B2	formaldehyde + H2O + oxidized benzyl viologen	no activity with methanol or formic acid as substrate	Pyrococcus furiosus	formate + 2 H+ + reduced benzyl viologen	-	?	423529	
1.2.7.B2	formaldehyde + H2O + oxidized benzyl viologen	-	Pyrococcus furiosus	formate + reduced benzyl viologen + H+	-	?	423530	
1.2.7.B2	formaldehyde + H2O + oxidized ferredoxin	-	Methyloversatilis discipulorum	formate + H+ + reduced ferredoxin	-	?	359388	
1.2.7.B2	formaldehyde + H2O + oxidized ferredoxin	-	Methyloversatilis discipulorum RZ18-153	formate + H+ + reduced ferredoxin	-	?	359388	
1.2.7.B2	formaldehyde + H2O + oxidized ferredoxin	-	Methyloversatilis discipulorum FAM1	formate + H+ + reduced ferredoxin	-	?	359388	
1.2.7.B2	formaldehyde + H2O + oxidized ferredoxin	-	Methyloversatilis discipulorum RZ94	formate + H+ + reduced ferredoxin	-	?	359388	
1.2.7.B2	formaldehyde + H2O + oxidized methyl viologen	63% compared to the activity with acetyladehyde	Thermococcus litoralis	formate + H+ + reduced methyl viologen	-	?	388700	
1.2.7.B2	formaldehyde + H2O + oxidized methyl viologen	63% compared to the activity with acetyladehyde	Thermococcus litoralis DSM 5473	formate + H+ + reduced methyl viologen	-	?	388700	
1.2.7.B2	formaldehyde + H2O + oxidized methyl viologen	-	Pyrococcus furiosus	formate + reduced methyl viologen + H+	-	?	423531	
1.2.7.B2	glutaric dialdehyde + H2O + oxidized benzyl viologen	-	Pyrococcus furiosus	? + reduced benzyl viologen + H+	-	?	423625	
1.2.7.B2	glutaric dialdehyde + H2O + oxidized benzyl viologen	best substrate, C5- or C6-type aldehydes might be physiologically relevant substrates	Pyrococcus furiosus	? + reduced benzyl viologen + H+	-	?	423625	
1.2.7.B2	hexanal + H2O + oxidized methyl viologen	specific activity is 2% compared to the activity with formaldehyde	Pyrococcus furiosus	hexanoate + reduced methyl viologen + H+	-	?	423674	
1.2.7.B2	indole-3-acetaldehyde + H2O + oxidized benzyl viologen	-	Pyrococcus furiosus	indole-3-acetate + H+ + reduced benzyl viologen	-	?	423690	
1.2.7.B2	indole-3-acetaldehyde + H2O + oxidized benzyl viologen	-	Pyrococcus furiosus	indole-3-acetate + reduced benzyl viologen + H+	-	?	423691	
1.2.7.B2	additional information	activity with crotonaldehyde is less than 10% compared to activity with acetaldehyde: crotonaldehyde, benzaldehyde, phenylacetaldehyde	Thermococcus litoralis	?	-	?	89	
1.2.7.B2	additional information	low activity with butyraldehyde, crotonaldehyde, no activity with: isovaleraldehyde, benzaldehyde, salicaldehyde, 2-furfuraldehyde. It does not oxidize lactate, 2-hydroxybutyrate, 2-hydroxyvalerate, 2-hydroxycaproate, or 1-ethyl-2-hydroxycaproate and it does not reduce pyruvate, 2-oxobutyrate, 2-oxovalerate, 1-ethyl-3-oxovalerate, 1-ethyl-4-oxovalerate, or 2-oxocaproate	Pyrococcus furiosus	?	-	?	89	
1.2.7.B2	additional information	no activity with crotonaldehyde, benzaldehyde, isovalerylaldehyde or phenylacetaldehyde	Pyrococcus furiosus	?	-	?	89	
1.2.7.B2	additional information	activity with crotonaldehyde is less than 10% compared to activity with acetaldehyde: crotonaldehyde, benzaldehyde, phenylacetaldehyde	Thermococcus litoralis DSM 5473	?	-	?	89	
1.2.7.B2	phenylpropionaldehyde + H2O + oxidized benzyl viologen	-	Pyrococcus furiosus	phenylpropionate + H+ + reduced benzyl viologen	-	?	423938	
1.2.7.B2	phenylpropionaldehyde + H2O + oxidized benzyl viologen	-	Pyrococcus furiosus	phenylpropionate + reduced benzyl viologen + H+	-	?	423939	
1.2.7.B2	propionaldehyde + H2O + oxidized benzyl viologen	-	Pyrococcus furiosus	propionate + H+ + reduced benzyl viologen	-	?	359397	
1.2.7.B2	propionaldehyde + H2O + oxidized benzyl viologen	-	Pyrococcus furiosus	propionate + reduced benzyl viologen + H+	-	?	423967	
1.2.7.B2	propionaldehyde + H2O + oxidized methyl viologen	77% compared to the activity with acetyladehyde	Thermococcus litoralis	propionate + H+ + reduced methyl viologen	-	?	423968	
1.2.7.B2	succinic semialdehyde + H2O + oxidized benzyl viologen	-	Pyrococcus furiosus	succinate + H+ + reduced benzyl viologen	-	?	424088	
1.2.7.B2	succinic semialdehyde + H2O + oxidized benzyl viologen	-	Pyrococcus furiosus	succinate + reduced benzyl viologen + H+	-	?	424089