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1.7.5.1: nitrate reductase (quinone)

This is an abbreviated version!
For detailed information about nitrate reductase (quinone), go to the full flat file.

Wordmap for 1.7.5.1

Word Map on EC 1.7.5.1 Wordmap for 1.7.5.1

Reaction

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nitrate
+
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a quinol
=
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nitrite
+
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a quinone
+
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H2O

Synonyms

EC 1.7.99.4, gene narH, membrane-bound nitrate reductase, membrane-bound quinol:nitrate oxidoreductase, MSMEG_5140, NaR, NaR1, NarG, NarGHI, narH, NarI, NarZ, nitrate reducatse A, nitrate reductase A, nitrate reductase Z, NRA nitrate reductase A, NRZ, NRZ nitrate reductase, Pden_4236, quinol-nitrate oxidoreductase, quinol/nitrate oxidoreductase, quinol:nitrate oxidoreductase, SCO6532, SCO6533, SCO6534, SCO6535

ECTree

     1 Oxidoreductases
         1.7 Acting on other nitrogenous compounds as donors
             1.7.5 With a quinone or similar compound as acceptor
                EC 1.7.5.11.7.5.1 nitrate reductase (quinone)

Substrates Products

Substrates Products on EC 1.7.5.1 - nitrate reductase (quinone)

for references in articles please use BRENDA:EC1.7.5.1

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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
nitrate + 2,3-dimethoxy-5-methyl-6-decyl-1,4-benzoquinol
nitrite + 2,3-dimethoxy-5-methyl-6-decyl-1,4-benzoquinone + H2O
show the reaction diagram
-
i.e. decylubiquinol
-
-
?
nitrate + 2-hydroxy-3-(3-methyl-2-butenyl)-1,4-naphthoquinol
nitrite + 2-hydroxy-3-(3-methyl-2-butenyl)-1,4-naphthoquinone + H2O
show the reaction diagram
nitrate + 2-methyl-1,4-naphthoquinol
nitrite + 2-methyl-1,4-naphthoquinone + H2O
show the reaction diagram
nitrate + 5-hydroxy-1,4-naphthoquinol
nitrite + 5-hydroxy-1,4-naphthoquinone + H2O
show the reaction diagram
nitrate + 5-hydroxy-2-methyl-1,4-naphthoquinol
nitrite + 5-hydroxy-2-methyl-1,4-naphthoquinone + H2O
show the reaction diagram
-
-
-
-
?
nitrate + 5-hydroxy-2-methyl-naphthalene-1,4-diol
nitrite + 5-hydroxy-2-methyl-naphthalene-1,4-dione + H2O
show the reaction diagram
nitrate + duroquinol
nitrite + duroquinone + H2O
show the reaction diagram
nitrate + menaquinol
nitrite + menaquinone + H2O
show the reaction diagram
-
only the membrane-bound, not the solubilized form of the enzyme, can accept electrons from a menaquinone analog, menadione, whereas both forms can accept electrons from methylviologen. In vivo quinol interacts directly with the gamma subunit that is lost during solubilization
-
-
?
nitrate + quinol
nitrite + quinone
show the reaction diagram
-
NarGHI strongly stabilizes a semiquinone radical located within the dihemic anchor subunit NarI. The semiquinone is located within the quinol oxidation site QD
-
-
?
nitrate + quinol
nitrite + quinone + H2O
show the reaction diagram
nitrate + reduced benzyl viologen
nitrite + benzyl viologen
show the reaction diagram
nitrate + reduced benzyl viologen
nitrite + oxidized benzyl viologen + H2O
show the reaction diagram
nitrate + reduced methyl viologen
nitrite + oxidized methyl viologen + H2O
show the reaction diagram
nitrate + tetramethyl-p-benzoquinol
nitrite + tetramethyl-p-benzoquinone + H2O
show the reaction diagram
nitrate + ubiquinol
nitrite + ubiquinone + H2O
show the reaction diagram
nitrite + a quinone + H2O
nitrate + a quinol
show the reaction diagram
-
-
-
?
nitrite + demethylmenaquinone + H2O
nitrate + demethylmenaquinol
show the reaction diagram
nitrite + menadione + H2O
nitrate + menadiol
show the reaction diagram
-
-
-
?
nitrite + menaquinone + H2O
nitrate + menaquinol
show the reaction diagram
-
-
-
?
nitrite + naphthoquinone + H2O
nitrate + naphthoquinol
show the reaction diagram
-
-
-
?
nitrite + ubiquinone + H2O
nitrate + ubiquinol
show the reaction diagram
additional information
?
-