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1.7.2.6: hydroxylamine dehydrogenase

This is an abbreviated version!
For detailed information about hydroxylamine dehydrogenase, go to the full flat file.

Word Map on EC 1.7.2.6

Reaction

hydroxylamine
+
H2O
+ 4 ferricytochrome c =
nitrite
+ 4 ferrocytochrome c + 5 H+

Synonyms

EC 1.7.3.4, HAO, haoA, HCR, HOA, hydroxylamine cytochrome c554 oxidoreductase, hydroxylamine oxidase, hydroxylamine oxidoreductase, hydroxylamine-cytochrome c reductase, hydroxylamine:oxygen oxidoreductase, mHAO, NeHAO, NirK, NoHAO

ECTree

     1 Oxidoreductases
         1.7 Acting on other nitrogenous compounds as donors
             1.7.2 With a cytochrome as acceptor
                1.7.2.6 hydroxylamine dehydrogenase

Substrates Products

Substrates Products on EC 1.7.2.6 - hydroxylamine dehydrogenase

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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
hydrazine + ferricytochrome c
? + ferrocytochrome c
show the reaction diagram
-
-
-
-
?
hydrazine + O2
N2 + H2O
show the reaction diagram
-
-
-
-
?
hydrazine + phenazine methosulfate
N2 + reduced phenazine methosulfate
show the reaction diagram
-
-
-
?
hydroxylamine + 2,6-dichlorophenolindophenol
nitric oxide + oxidized 2,6-dichlorophenolindophenol + H+
show the reaction diagram
-
-
-
-
?
hydroxylamine + 3 bovine ferricytochrome c
nitric oxide + 3 bovine ferrocytochrome c + 3 H+
show the reaction diagram
hydroxylamine + 3 ferricytochrome c
nitric oxide + 3 ferrocytochrome c + 3 H+
show the reaction diagram
-
-
-
?
hydroxylamine + 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide
nitrite + reduced 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide
show the reaction diagram
hydroxylamine + 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide + H2O
NH3 + oxidized 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide
show the reaction diagram
hydroxylamine + 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide + H2O
nitrite + ?
show the reaction diagram
hydroxylamine + cytochrome c
nitric oxide + oxidized cytochrome c + H+
show the reaction diagram
-
-
-
-
?
hydroxylamine + ferricyanide
nitrite + ferrocyanide + H+
show the reaction diagram
-
more than 90% of added hydroxylamine is oxidized to nitrite within 10 min when 10times as much ferricyanide as hydroxylamine is added
-
-
?
hydroxylamine + ferricyanide + H2O
nitric oxide + ferrocyanide + H+
show the reaction diagram
-
high activity
-
-
?
hydroxylamine + ferricytochrome c + H2O
nitrite + ferrocytochrome c + H+
show the reaction diagram
hydroxylamine + ferricytochrome c-554 + H2O
nitrite + ferrocytochrome c-554 + H+
show the reaction diagram
hydroxylamine + ferricytochrome c554
nitric oxide + ferrocytochrome c554 + H+
show the reaction diagram
-
-
-
-
?
hydroxylamine + ferricytochrome c554 + H2O
nitrite + ferrocytochrome c554 + H+
show the reaction diagram
hydroxylamine + H2O + 2 ferricyanide
nitrite + 2 ferrocyanide + 5 H+
show the reaction diagram
hydroxylamine + H2O + 2,6-dichlorophenolindophenol
nitric oxide + reduced 2,6-dichlorophenolindophenol + H+
show the reaction diagram
hydroxylamine + H2O + 4 ferricytochrome c
nitrite + 4 ferrocytochrome c + 5 H+
show the reaction diagram
hydroxylamine + H2O + benzylviologen
NO + reduced benzylviologen + 2 H+
show the reaction diagram
hydroxylamine + H2O + ferricyanide
nitric oxide + ferrocyanide + H+
show the reaction diagram
hydroxylamine + H2O + ferricyanide
nitrite + ferrocyanide + H+
show the reaction diagram
-
-
-
-
?
hydroxylamine + H2O + ferricytochrome c
nitrite + ferrocytochrome c + H+
show the reaction diagram
-
-
-
-
r
hydroxylamine + H2O + horse heart cytochrome c
nitric oxide + reduced horse heart cytochrome c + H+
show the reaction diagram
hydroxylamine + H2O + methylviologen
NO + reduced methylviologen + 2 H+
show the reaction diagram
hydroxylamine + H2O + NAD+
nitric oxide + NADH + H+
show the reaction diagram
hydroxylamine + H2O + phenazine methosulfate
nitric oxide + reduced phenazine methosulfate + H+
show the reaction diagram
hydroxylamine + N,N'-bis(carboxymethyl)-N,N'-dinitroso-1,4-phenylenediamine
nitric oxide + ?
show the reaction diagram
-
-
-
-
?
hydroxylamine + O2
nitrite + H2O
show the reaction diagram
hydroxylamine + phenazine methosulfate
nitric oxide + oxidized phenazine methosulfate + H+
show the reaction diagram
-
-
-
-
?
hydroxylamine + phenazine methosulfate
nitrite + ?
show the reaction diagram
hydroxylamine + phenazine methosulfate + H2O
NH3 + oxidized phenazine methosulfate
show the reaction diagram
hydroxylamine + phenazine methosulfate + H2O
nitrite + ?
show the reaction diagram
hydroxylamine + reduced methyl viologen + H+
NH4+ + oxidized methyl viologen + H2O
show the reaction diagram
-
-
-
-
ir
hydroxylamine + Ru(NH3)63+ + H+
nitric oxide + Ru(NH3)62+ + H+
show the reaction diagram
-
-
-
-
ir
nitrite + reduced benzyl viologen + H+
NH4+ + reduced methyl viologen + H2O
show the reaction diagram
nitrite + reduced methyl viologen + H+
NH4+ + oxidized methyl viologen + H2O
show the reaction diagram
-
HAO acts like a cytochrome c nitrite reductase, which catalyzes the six-electron reduction of nitrite to NH4+ by reduced methyl viologen
-
-
?
NO + ferrocytochrome c + 2 H+
hydroxylamine + H2O + ferricytochrome c
show the reaction diagram
NO + H2O + ferricytochrome c
nitrite + ferrocytochrome c + 2 H+
show the reaction diagram
-
-
-
-
r
additional information
?
-