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D-glyceraldehyde 3-phosphate + H2O + 2 oxidized benzyl viologen
3-phospho-D-glycerate + 2 H+ + 2 reduced benzyl viologen
D-glyceraldehyde 3-phosphate is the only substrate oxidized by GAPOR, and the kinetics of the enzyme are unaffected by the presence of L-glyceraldehyde 3-phosphate
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D-glyceraldehyde 3-phosphate + H2O + 2 oxidized ferredoxin
3-phospho-D-glycerate + 2 H+ + 2 reduced ferredoxin
D-glyceraldehyde 3-phosphate + H2O + oxidized benzyl viologen
3-phospho-D-glycerate + H+ + reduced benzyl viologen
D-glyceraldehyde-3-phosphate + H2O + oxidized benzyl viologen
3-phospho-D-glycerate + H+ + reduced benzyl viologen
D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
D-glyceraldehyde-3-phosphate + H2O + oxidized methyl viologen
3-phospho-D-glycerate + reduced methyl viologen + H+
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glyceraldehyde + H2O + oxidized ferredoxin
glycerate + H+ + reduced ferredoxin
glyceraldehyde 3-phosphate + H2O + oxidized ferredoxin
glycerate 3-phosphate + H+ + reduced ferredoxin
additional information
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D-glyceraldehyde 3-phosphate + H2O + 2 oxidized ferredoxin

3-phospho-D-glycerate + 2 H+ + 2 reduced ferredoxin
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D-glyceraldehyde 3-phosphate + H2O + 2 oxidized ferredoxin
3-phospho-D-glycerate + 2 H+ + 2 reduced ferredoxin
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the enzyme is involved in the modified Embden-Meyerhof pathway
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D-glyceraldehyde 3-phosphate + H2O + oxidized benzyl viologen

3-phospho-D-glycerate + H+ + reduced benzyl viologen
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D-glyceraldehyde 3-phosphate + H2O + oxidized benzyl viologen
3-phospho-D-glycerate + H+ + reduced benzyl viologen
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D-glyceraldehyde 3-phosphate + H2O + oxidized benzyl viologen
3-phospho-D-glycerate + H+ + reduced benzyl viologen
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D-glyceraldehyde-3-phosphate + H2O + oxidized benzyl viologen

3-phospho-D-glycerate + H+ + reduced benzyl viologen
only GAPOR catalyzes D-glyceraldehyde-3-phosphate oxidation, catalysis under autotrophic conditions
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D-glyceraldehyde-3-phosphate + H2O + oxidized benzyl viologen
3-phospho-D-glycerate + H+ + reduced benzyl viologen
is highly specific for glyceraldehyde-3-phosphate
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D-glyceraldehyde-3-phosphate + H2O + oxidized benzyl viologen
3-phospho-D-glycerate + H+ + reduced benzyl viologen
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artificial electron acceptor
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D-glyceraldehyde-3-phosphate + H2O + oxidized benzyl viologen
3-phospho-D-glycerate + H+ + reduced benzyl viologen
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artificial electron acceptor
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D-glyceraldehyde-3-phosphate + H2O + oxidized benzyl viologen
3-phospho-D-glycerate + H+ + reduced benzyl viologen
artificial electron acceptor
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin

3-phospho-D-glycerate + H+ + reduced ferredoxin
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
enzyme is a site for glycolytic regulation
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
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might have a glycolytic role and functions in place of glyceraldehyde-3-phosphate dehydrogenase and possibly phosphoglycerate kinase
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glyceraldehyde + H2O + oxidized ferredoxin

glycerate + H+ + reduced ferredoxin
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glyceraldehyde + H2O + oxidized ferredoxin
glycerate + H+ + reduced ferredoxin
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glyceraldehyde 3-phosphate + H2O + oxidized ferredoxin

glycerate 3-phosphate + H+ + reduced ferredoxin
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glyceraldehyde 3-phosphate + H2O + oxidized ferredoxin
glycerate 3-phosphate + H+ + reduced ferredoxin
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additional information

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does not use glyceraldehyde, acetaldehyde or formaldehyde as substrates
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additional information
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does not use glyceraldehyde, acetaldehyde or formaldehyde as substrates
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additional information
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enzyme shows high specificity for glyceraldehyde-3-phosphate and does not use glyceraldehyde, acetaldehyde or formaldehyde
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additional information
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enzyme shows high specificity for glyceraldehyde-3-phosphate and does not use glyceraldehyde, acetaldehyde or formaldehyde
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additional information
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enzyme shows high specificity for glyceraldehyde-3-phosphate and does not use glyceraldehyde, acetaldehyde or formaldehyde
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additional information
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no activity with NAD(P)+ as electron acceptor
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additional information
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no activity with NAD(P)+ as electron acceptor
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additional information
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no activity with formaldehyde, propionaldehyde, phenylacetaldehyde, butyraldehyde, crotonaldehyde, acetaldehyde, dihydroxyacetone phosphate, glyceraldehyde, benzaldehyde, glucose, glucose 6-phosphate, or glyoxylate
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additional information
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no activity with formaldehyde, propionaldehyde, phenylacetaldehyde, butyraldehyde, crotonaldehyde, acetaldehyde, dihydroxyacetone phosphate, glyceraldehyde, benzaldehyde, glucose, glucose 6-phosphate, or glyoxylate
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additional information
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substrate glyceraldehyde-3-phosphate degrades at 60°C by non-enzymatic elimination of the phosphate group to methylglyoxal with a half-life of 6.5 min. Methylglyoxal is not a substrate or inhibitor of GAPOR
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additional information
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substrate glyceraldehyde-3-phosphate degrades at 60°C by non-enzymatic elimination of the phosphate group to methylglyoxal with a half-life of 6.5 min. Methylglyoxal is not a substrate or inhibitor of GAPOR
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D-glyceraldehyde 3-phosphate + H2O + 2 oxidized ferredoxin
3-phospho-D-glycerate + 2 H+ + 2 reduced ferredoxin
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the enzyme is involved in the modified Embden-Meyerhof pathway
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin

3-phospho-D-glycerate + H+ + reduced ferredoxin
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
enzyme is a site for glycolytic regulation
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D-glyceraldehyde-3-phosphate + H2O + oxidized ferredoxin
3-phospho-D-glycerate + H+ + reduced ferredoxin
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might have a glycolytic role and functions in place of glyceraldehyde-3-phosphate dehydrogenase and possibly phosphoglycerate kinase
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?
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metabolism

extracts of maltose/yeast extract/nitrate-grown cells contain all enzyme activities of a modified Embden-Meyerhof pathway, including ATP-dependent glucokinase, phosphoglucose isomerase, ATP-dependent 6-phosphofructokinase, fructose-1,6-phosphate aldolase, triose-phosphate isomerase, glyceraldehyde-3-phosphate ferredoxin oxidoreductase, phosphoglycerate mutase, enolase and pyruvate kinase
metabolism
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extracts of maltose/yeast extract/nitrate-grown cells contain all enzyme activities of a modified Embden-Meyerhof pathway, including ATP-dependent glucokinase, phosphoglucose isomerase, ATP-dependent 6-phosphofructokinase, fructose-1,6-phosphate aldolase, triose-phosphate isomerase, glyceraldehyde-3-phosphate ferredoxin oxidoreductase, phosphoglycerate mutase, enolase and pyruvate kinase
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physiological function

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the enzyme is involved in the modified Embden-Meyerhof pathway
physiological function
deletion of either subunit results in a distinct growth phenotype on both C5 and C6 sugars, with an increased lag phase, but higher cell densities. GOR functions in parallel with the conventional glyceraldehyde-3-phosphate dehydrogenase
physiological function
either of the two enzymes, ferredoxin-dependent glyceraldehyde-3-phosphate ferredoxin oxidoreductase (GAPOR) or NADP+-dependent non-phosphorylating glyceraldehyde-3-phosphate dehydrogenase (GAPN), involved in the modified Embden-Meyerhof glycolytic pathway can be deleted individually without impacting viability, albeit with differences in native fermentation product profiles. Pyrococcus furiosus is viable in the gluconeogenic direction (growth on pyruvate or peptides plus elemental sulfur) in a DAPOR/GAPN double deletion strain.
physiological function
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deletion of either subunit results in a distinct growth phenotype on both C5 and C6 sugars, with an increased lag phase, but higher cell densities. GOR functions in parallel with the conventional glyceraldehyde-3-phosphate dehydrogenase
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