KEGG   REACTION: R00791
Entry
R00791                      Reaction                               

Name
nitrite:ferredoxin oxidoreductase
Definition
Nitrite + H2O + 2 Oxidized ferredoxin <=> Nitrate + 2 Reduced ferredoxin
Equation
Reaction class
RC02812  C00088_C00244
Enzyme
Pathway
rn00910  Nitrogen metabolism
rn01100  Metabolic pathways
rn01120  Microbial metabolism in diverse environments
Module
M00531  Assimilatory nitrate reduction, nitrate => ammonia
Orthology
K00367  ferredoxin-nitrate reductase [EC:1.7.7.2]
Other DBs
RHEA: 21831

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Pathway (7)   
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Chemical substance (5)   
   KEGG COMPOUND (5)   
Chemical reaction (2)   
   KEGG ENZYME (1)   
   KEGG RCLASS (1)   
Gene (296)   
   KEGG ORTHOLOGY (1)   
   KEGG GENES (295)   
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KEGG   REACTION: R00794
Entry
R00794                      Reaction                               

Name
nitrite:NAD+ oxidoreductase;
NADH:nitrate oxidoreductase
Definition
Nitrite + NAD+ + H2O <=> Nitrate + NADH + H+
Equation
Comment
NADP+ (ec 1.7.1.2, see R00796)
Reaction class
RC00001  C00003_C00004
RC02812  C00088_C00244
Enzyme
1.7.1.1         1.7.1.2
Pathway
rn00910  Nitrogen metabolism
rn01100  Metabolic pathways
rn01120  Microbial metabolism in diverse environments
Module
M00531  Assimilatory nitrate reduction, nitrate => ammonia
Orthology
K10534  nitrate reductase (NAD(P)H) [EC:1.7.1.1 1.7.1.2 1.7.1.3]
Other DBs
RHEA: 17916

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Ontology (1)   
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Pathway (7)   
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Chemical substance (6)   
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Chemical reaction (4)   
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KEGG   REACTION: R00796
Entry
R00796                      Reaction                               

Name
nitrite:NADP+ oxidoreductase;
NADPH:nitrate oxidoreductase
Definition
Nitrite + NADP+ + H2O <=> Nitrate + NADPH + H+
Equation
Comment
NAD+ (ec 1.7.1.2, see R00794)
Reaction class
RC00001  C00005_C00006
RC02812  C00088_C00244
Enzyme
1.7.1.2         1.7.1.3
Pathway
rn00910  Nitrogen metabolism
rn01100  Metabolic pathways
rn01120  Microbial metabolism in diverse environments
Module
M00531  Assimilatory nitrate reduction, nitrate => ammonia
Orthology
K10534  nitrate reductase (NAD(P)H) [EC:1.7.1.1 1.7.1.2 1.7.1.3]
Other DBs
RHEA: 19064

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Ontology (1)   
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Pathway (7)   
   KEGG PATHWAY (6)   
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Chemical substance (6)   
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Chemical reaction (4)   
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Gene (341)   
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KEGG   REACTION: R00798
Entry
R00798                      Reaction                               

Name
nitrite:acceptor oxidoreductase
Definition
Nitrite + Acceptor + H2O <=> Nitrate + Reduced acceptor
Equation
Reaction class
RC02812  C00088_C00244
Enzyme
1.7.99.-
Pathway
rn00910  Nitrogen metabolism
rn01100  Metabolic pathways
rn01120  Microbial metabolism in diverse environments
Module
M00529  Denitrification, nitrate => nitrogen
M00530  Dissimilatory nitrate reduction, nitrate => ammonia
M00531  Assimilatory nitrate reduction, nitrate => ammonia
M00804  Complete nitrification, comammox, ammonia => nitrite => nitrate
Orthology
K00360  assimilatory nitrate reductase electron transfer subunit [EC:1.7.99.-]
K00370  nitrate reductase / nitrite oxidoreductase, alpha subunit [EC:1.7.5.1 1.7.99.-]
K00371  nitrate reductase / nitrite oxidoreductase, beta subunit [EC:1.7.5.1 1.7.99.-]
K00372  assimilatory nitrate reductase catalytic subunit [EC:1.7.99.-]
K00374  nitrate reductase gamma subunit [EC:1.7.5.1 1.7.99.-]
K02567  nitrate reductase (cytochrome) [EC:1.9.6.1]
K02568  nitrate reductase (cytochrome), electron transfer subunit
Other DBs
RHEA: 21071

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Pathway (10)   
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Chemical substance (5)   
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Chemical reaction (1)   
   KEGG RCLASS (1)   
Gene (10094)   
   KEGG ORTHOLOGY (7)   
   KEGG GENES (10087)   
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KEGG   REACTION: R09497
Entry
R09497                      Reaction                               

Name
nitrite:quinone oxidoreductase
Definition
Nitrate + Hydroquinone <=> Nitrite + Quinone + H2O
Equation
Reaction class
RC02812  C00088_C00244
Enzyme
Pathway
rn00910  Nitrogen metabolism
rn01100  Metabolic pathways
rn01120  Microbial metabolism in diverse environments
Module
M00530  Dissimilatory nitrate reduction, nitrate => ammonia
Orthology
K00370  nitrate reductase / nitrite oxidoreductase, alpha subunit [EC:1.7.5.1 1.7.99.-]
K00371  nitrate reductase / nitrite oxidoreductase, beta subunit [EC:1.7.5.1 1.7.99.-]
K00374  nitrate reductase gamma subunit [EC:1.7.5.1 1.7.99.-]
Other DBs
RHEA: 56147

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Ontology (1)   
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Pathway (7)   
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Chemical substance (5)   
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Chemical reaction (2)   
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Gene (6194)   
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KEGG   RCLASS: RC02812
Entry
RC02812                     RClass                                 

Definition
N2b-N2b:*-O3a:O1b+O3a-O1b+O3a
Reactant pair
Related class
Reaction
Enzyme
1.7.1.1         1.7.1.2         1.7.1.3         1.7.7.2         
1.7.99.-        1.9.6.1
Pathway
rn00910  Nitrogen metabolism
rn01100  Metabolic pathways
rn01120  Microbial metabolism in diverse environments
Orthology
K00360  assimilatory nitrate reductase electron transfer subunit [EC:1.7.99.-]
K00367  ferredoxin-nitrate reductase [EC:1.7.7.2]
K00370  nitrate reductase / nitrite oxidoreductase, alpha subunit [EC:1.7.5.1 1.7.99.-]
K00371  nitrate reductase / nitrite oxidoreductase, beta subunit [EC:1.7.5.1 1.7.99.-]
K00372  assimilatory nitrate reductase catalytic subunit [EC:1.7.99.-]
K00374  nitrate reductase gamma subunit [EC:1.7.5.1 1.7.99.-]
K02567  nitrate reductase (cytochrome) [EC:1.9.6.1]
K02568  nitrate reductase (cytochrome), electron transfer subunit
K10534  nitrate reductase (NAD(P)H) [EC:1.7.1.1 1.7.1.2 1.7.1.3]

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Pathway (3)   
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Chemical reaction (16)   
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   KEGG REACTION (11)   
Gene (9)   
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