KEGG   REACTION: R00787
Entry
R00787                      Reaction                               

Name
ammonia:NAD+ oxidoreductase
Definition
Ammonia + 3 NAD+ + 2 H2O <=> Nitrite + 3 NADH + 3 H+
Equation
C00014 + 3 C00003 + 2 C00001 <=> C00088 + 3 C00004 + 3 C00080
Comment
NADPH (see R00789)
NH3 + H2O <=> NH4OH
Reaction class
RC00001  C00003_C00004
RC00176  C00014_C00088
Enzyme
1.7.1.4         1.7.1.15
Pathway
rn00910  Nitrogen metabolism
rn01100  Metabolic pathways
rn01120  Microbial metabolism in diverse environments
Module
M00530  Dissimilatory nitrate reduction, nitrate => ammonia
M00531  Assimilatory nitrate reduction, nitrate => ammonia
Orthology
K00362  nitrite reductase (NADH) large subunit [EC:1.7.1.15]
K00363  nitrite reductase (NADH) small subunit [EC:1.7.1.15]
K17877  nitrite reductase (NAD(P)H) [EC:1.7.1.4]
Other DBs
RHEA: 24631

KEGG   REACTION: R00789
Entry
R00789                      Reaction                               

Name
ammonia:NADP+ oxidoreductase
Definition
Ammonia + 3 NADP+ + 2 H2O <=> Nitrite + 3 NADPH + 3 H+
Equation
C00014 + 3 C00006 + 2 C00001 <=> C00088 + 3 C00005 + 3 C00080
Comment
NADH (see R00787)
NH3 + H2O <=> NH4OH
Reaction class
RC00001  C00005_C00006
RC00176  C00014_C00088
Enzyme
Pathway
rn00910  Nitrogen metabolism
rn01100  Metabolic pathways
rn01120  Microbial metabolism in diverse environments
Module
M00530  Dissimilatory nitrate reduction, nitrate => ammonia
M00531  Assimilatory nitrate reduction, nitrate => ammonia
Orthology
K17877  nitrite reductase (NAD(P)H) [EC:1.7.1.4]
Other DBs
RHEA: 24635

KEGG   REACTION: R00790
Entry
R00790                      Reaction                               

Name
Ammonia:ferredoxin oxidoreductase
Definition
Ammonia + 2 H2O + 6 Oxidized ferredoxin <=> Nitrite + 6 Reduced ferredoxin + 6 H+
Equation
C00014 + 2 C00001 + 6 C00139 <=> C00088 + 6 C00138 + 6 C00080
Reaction class
RC00176  C00014_C00088
Enzyme
Pathway
rn00910  Nitrogen metabolism
rn01100  Metabolic pathways
rn01120  Microbial metabolism in diverse environments
Module
M00531  Assimilatory nitrate reduction, nitrate => ammonia
Orthology
K00366  ferredoxin-nitrite reductase [EC:1.7.7.1]
Other DBs
RHEA: 18044

KEGG   REACTION: R05712
Entry
R05712                      Reaction                               

Name
ammonia:ferricytochrome-c oxidoreductase
Definition
Ammonia + 2 H2O + 6 Ferricytochrome c <=> Nitrite + 6 Ferrocytochrome c + 6 H+
Equation
C00014 + 2 C00001 + 6 C00125 <=> C00088 + 6 C00126 + 6 C00080
Reaction class
RC00016  C00125_C00126
RC00176  C00014_C00088
Enzyme
Pathway
rn00910  Nitrogen metabolism
rn01100  Metabolic pathways
rn01120  Microbial metabolism in diverse environments
Module
M00530  Dissimilatory nitrate reduction, nitrate => ammonia
Orthology
K03385  nitrite reductase (cytochrome c-552) [EC:1.7.2.2]
K04016  cytochrome c-type biogenesis protein NrfE
K15876  cytochrome c nitrite reductase small subunit
Other DBs
RHEA: 13092

KEGG   RCLASS: RC00176
Entry
RC00176                     RClass                                 

Definition
N0-N2b:*+*-O1b+O3a:*-*
Reactant pair
Related class
Reaction
Enzyme
1.7.1.4         1.7.1.15        1.7.2.2         1.7.7.1
Pathway
rn00910  Nitrogen metabolism
rn01100  Metabolic pathways
rn01120  Microbial metabolism in diverse environments
Orthology
K00362  nitrite reductase (NADH) large subunit [EC:1.7.1.15]
K00363  nitrite reductase (NADH) small subunit [EC:1.7.1.15]
K00366  ferredoxin-nitrite reductase [EC:1.7.7.1]
K03385  nitrite reductase (cytochrome c-552) [EC:1.7.2.2]
K04016  cytochrome c-type biogenesis protein NrfE
K15876  cytochrome c nitrite reductase small subunit
K17877  nitrite reductase (NAD(P)H) [EC:1.7.1.4]

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