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chlorate + reduced acceptor
chlorite + acceptor
chlorate + reduced methylviologen
chlorite + H2O + oxidized methylviologen
-
6% of kcat with nitrate
-
-
?
nitrate + 2 reduced ferredoxin + 2 H+
nitrite + H2O + 2 oxidized ferredoxin
nitrate + 2 reduced ferredoxin 1 + 2 H+
nitrite + H2O + 2 oxidized ferredoxin 1
nitrate + 2 reduced ferredoxin 2 + 2 H+
nitrite + H2O + 2 oxidized ferredoxin 2
nitrate + 2 reduced methyl viologen + 2 H+
nitrite + H2O + 2 oxidized methyl viologen
-
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
nitrate + reduced flavodoxin
nitrite + H2O + oxidized flavodoxin
nitrate + reduced flavodoxin
nitrite + oxidized flavodoxin + H2O
-
flavodoxin can physiologically substitute for ferredoxin under conditions of iron starvation
-
-
?
nitrate + reduced methyl viologen
nitrite + H2O + oxidized methyl viologen
nitrate + reduced methyl viologen
nitrite + methyl viologen
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
nitrate + reduced methylviologen
nitrite + H2O + oxidized methylviologen
-
-
-
-
?
nitrite + acceptor
nitrate + reduced acceptor
nitrite + H2O + oxidized ferredoxin
nitrate + reduced ferredoxin + H+
-
-
-
-
r
reduced methyl viologen + nitrate
methyl viologen + nitrite
selenate + reduced methylviologen
selenite + H2O + oxidized methylviologen
-
1% of kcat with nitrate
-
-
?
additional information
?
-
chlorate + reduced acceptor

chlorite + acceptor
-
-
-
-
?
chlorate + reduced acceptor
chlorite + acceptor
-
-
-
-
?
nitrate + 2 reduced ferredoxin + 2 H+

nitrite + H2O + 2 oxidized ferredoxin
the enzyme is involved in aerobic assimilatory nitrate reduction. The enzyme enables Haloferax alexandrinus to use nitrate as sole nitrogen source for growth under aerobic conditions. Haloferax alexandrinus may induce denitrification under anaerobic or microaerobic conditions using nitrate as electron acceptor
-
-
?
nitrate + 2 reduced ferredoxin + 2 H+
nitrite + H2O + 2 oxidized ferredoxin
the enzyme is involved in aerobic assimilatory nitrate reduction. The enzyme enables Haloferax alexandrinus to use nitrate as sole nitrogen source for growth under aerobic conditions. Haloferax alexandrinus may induce denitrification under anaerobic or microaerobic conditions using nitrate as electron acceptor
-
-
?
nitrate + 2 reduced ferredoxin + 2 H+
nitrite + H2O + 2 oxidized ferredoxin
-
-
-
-
?
nitrate + 2 reduced ferredoxin + 2 H+
nitrite + H2O + 2 oxidized ferredoxin
-
-
-
?
nitrate + 2 reduced ferredoxin + 2 H+
nitrite + H2O + 2 oxidized ferredoxin
-
-
-
-
?
nitrate + 2 reduced ferredoxin 1 + 2 H+

nitrite + H2O + 2 oxidized ferredoxin 1
-
-
-
-
?
nitrate + 2 reduced ferredoxin 1 + 2 H+
nitrite + H2O + 2 oxidized ferredoxin 1
-
-
-
-
?
nitrate + 2 reduced ferredoxin 2 + 2 H+

nitrite + H2O + 2 oxidized ferredoxin 2
-
-
-
-
?
nitrate + 2 reduced ferredoxin 2 + 2 H+
nitrite + H2O + 2 oxidized ferredoxin 2
-
-
-
-
?
nitrate + reduced ferredoxin

nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
enzyme can not accept electrons directly from NAD(P)H, it is dependent on reduced ferredoxin as physiological electron donor
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
ferredoxin as electron donor at neutral pH and pH 8, but not at pH 9
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
depends on reduced ferredoxin for its activity, multimodal kinetic model: a single catalytic site functions in multiple kinetic modes
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
enzyme can not accept electrons directly from NAD(P)H, it is dependent on reduced ferredoxin as physiological electron donor
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
coupled ferredoxin-NADPH reductase activity with NADP+-reductase system
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
100 nM dithionite reduced ferredoxin with 94% of the activity with reduced methyl viologen
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
coupled ferredoxin-NADPH reductase activity with NADP+-reductase system
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
coupled ferredoxin-NADPH reductase activity with NADP+-reductase system
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
enzyme can not accept electrons directly from NAD(P)H, it is dependent on reduced ferredoxin as physiological electron donor
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
ratio of methyl viologen- to ferredoxin-dependent nitrate reduction is about 27
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
spinach ferredoxin or Anabaena ferredoxin
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
Thermosynechococcus sp.
-
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin
nitrite + H2O + oxidized ferredoxin
-
-
-
?
nitrate + reduced ferredoxin

nitrite + oxidized ferredoxin
-
assimilatory nitrate reduction
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
reduced ferredoxin as physiological electron donor
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
first step in assimilatory reduction of nitrate
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
first step in assimilatory reduction of nitrate
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
first step in assimilatory reduction of nitrate
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
first step in assimilatory reduction of nitrate
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
nitrate fermentation, ferredoxin is utilized as direct electron donor in nitrate reduction
-
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
first step in assimilatory reduction of nitrate
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
assimilatory nitrate reduction
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
nitrate assimilation, ferredoxin-dependent photosynthetic reduction of nitrate
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
reduced ferredoxin as physiological electron donor
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
nitrate assimilation, ferredoxin-dependent photosynthetic reduction of nitrate
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
assimilatory nitrate reduction
-
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
assimilatory nitrate reduction
-
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
two-electron nitrate reduction
-
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
first step in assimilatory reduction of nitrate
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
first step in assimilatory reduction of nitrate
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
assimilatory nitrate reduction
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
assimilatory nitrate reduction
-
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
reduced ferredoxin as physiological electron donor
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
first step in assimilatory reduction of nitrate
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
assimilatory nitrate reduction
-
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
first step in assimilatory reduction of nitrate
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
assimilatory nitrate reduction
-
?
nitrate + reduced ferredoxin
nitrite + oxidized ferredoxin
-
reduced ferredoxin as physiological electron donor
-
?
nitrate + reduced flavodoxin

nitrite + H2O + oxidized flavodoxin
-
-
-
-
?
nitrate + reduced flavodoxin
nitrite + H2O + oxidized flavodoxin
-
-
-
-
?
nitrate + reduced flavodoxin
nitrite + H2O + oxidized flavodoxin
-
-
-
-
?
nitrate + reduced flavodoxin
nitrite + H2O + oxidized flavodoxin
-
-
-
-
?
nitrate + reduced flavodoxin
nitrite + H2O + oxidized flavodoxin
-
-
-
-
?
nitrate + reduced flavodoxin
nitrite + H2O + oxidized flavodoxin
-
-
-
-
?
nitrate + reduced flavodoxin
nitrite + H2O + oxidized flavodoxin
-
-
-
-
?
nitrate + reduced flavodoxin
nitrite + H2O + oxidized flavodoxin
Thermosynechococcus sp.
-
-
-
-
?
nitrate + reduced flavodoxin
nitrite + H2O + oxidized flavodoxin
-
-
-
-
?
nitrate + reduced flavodoxin
nitrite + H2O + oxidized flavodoxin
-
-
-
-
?
nitrate + reduced methyl viologen

nitrite + H2O + oxidized methyl viologen
-
-
-
-
?
nitrate + reduced methyl viologen
nitrite + H2O + oxidized methyl viologen
-
-
-
-
?
nitrate + reduced methyl viologen
nitrite + H2O + oxidized methyl viologen
reduced methyl viologen is the best electron donor. No activity with either NADH (1 mM) or NADPH (1 mM) (in the presence or absence of dithionite within the reaction mixture). Dithionite is not able to reduce nitrate in the absence of reduced methyl viologen
-
-
?
nitrate + reduced methyl viologen
nitrite + H2O + oxidized methyl viologen
reduced methyl viologen is the best electron donor. No activity with either NADH (1 mM) or NADPH (1 mM) (in the presence or absence of dithionite within the reaction mixture). Dithionite is not able to reduce nitrate in the absence of reduced methyl viologen
-
-
?
nitrate + reduced methyl viologen
nitrite + H2O + oxidized methyl viologen
-
-
-
-
?
nitrate + reduced methyl viologen
nitrite + H2O + oxidized methyl viologen
-
-
-
-
?
nitrate + reduced methyl viologen
nitrite + H2O + oxidized methyl viologen
-
-
-
-
?
nitrate + reduced methyl viologen
nitrite + H2O + oxidized methyl viologen
-
-
-
-
?
nitrate + reduced methyl viologen
nitrite + H2O + oxidized methyl viologen
-
-
-
-
?
nitrate + reduced methyl viologen
nitrite + H2O + oxidized methyl viologen
Thermosynechococcus sp.
-
-
-
-
?
nitrate + reduced methyl viologen
nitrite + H2O + oxidized methyl viologen
-
-
-
-
?
nitrate + reduced methyl viologen
nitrite + H2O + oxidized methyl viologen
-
-
-
-
?
nitrate + reduced methyl viologen

nitrite + methyl viologen
-
-
-
-
?
nitrate + reduced methyl viologen
nitrite + methyl viologen
-
-
-
-
?
nitrate + reduced methyl viologen
nitrite + methyl viologen
-
reduced methyl viologen is the best electron donor. NADPH or NADH show only 2.4% of maximal activity, no activity with FADH2
-
-
?
nitrate + reduced methyl viologen

nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
-
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
nitrite formation 10times higher at pH 9 than at pH 8
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme also has methyl viologen-linked activity
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
-
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
-
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
reduced methyl viologen is the best electron donor in vitro
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme also has methyl viologen-linked activity
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme also has methyl viologen-linked activity
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
enzyme uses also reduced methyl viologen as reductant
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
-
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
-
-
?
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen
-
-
-
?
nitrite + acceptor

nitrate + reduced acceptor
-
-
-
?
nitrite + acceptor
nitrate + reduced acceptor
-
-
-
?
reduced methyl viologen + nitrate

methyl viologen + nitrite
-
-
-
?
reduced methyl viologen + nitrate
methyl viologen + nitrite
-
-
-
?
additional information

?
-
-
not as electron donors: NADH, NADPH, FADH2, FMNH2, rubredoxin
-
-
?
additional information
?
-
-
not as electron donors: NADH, NADPH, FADH2, FMNH2, reduced animal cytochrome c, sodium dithionite, methylene blue, phenazine methosulfate
-
-
?
additional information
?
-
-
not as electron donors: NADH, NADPH, FADH2, FMNH2, reduced animal cytochrome c, sodium dithionite, methylene blue, phenazine methosulfate
-
-
?
additional information
?
-
enzyme does not use electrons from either NADH or NADPH. Dithionite is not able to reduce nitrate in the absence of reduced methyl viologen
-
-
-
additional information
?
-
enzyme does not use electrons from either NADH or NADPH. Dithionite is not able to reduce nitrate in the absence of reduced methyl viologen
-
-
-
additional information
?
-
-
not as electron donors: NADH, NADPH, dithionite, 8% of maximum activity with 1mM FADH2 and less than 7% of maximum activity with 1 mM reduced 2,6-dichlorophenolindophenol or phenazine methosulfate
-
-
?
additional information
?
-
-
the regulation of the nar gene occurs at transcriptional level induced by oxygen-limiting conditions and the presence of nitrate
-
-
?
additional information
?
-
-
no significant nitrate-reducing activity is detected when NADH or NADPH is used as the electron donor. The enzyme also shows no significant reactivity toward methylviologen, benzyl viologen or ferredoxin 3
-
-
-
additional information
?
-
-
no significant nitrate-reducing activity is detected when NADH or NADPH is used as the electron donor. The enzyme also shows no significant reactivity toward methylviologen, benzyl viologen or ferredoxin 3
-
-
-
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.