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
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1.7.2.6
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ammonia
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monooxygenase
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nitrification
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metagenomic
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nitrify
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nitrospira
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europaea
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no2
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nitrosomonas
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comammox
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phenylhydrazine
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ammonium-oxidizing
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genome-centric
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analysis
- 1.7.2.6
- ammonia
- monooxygenase
-
nitrification
-
metagenomic
-
nitrify
- nitrospira
- europaea
- no2
- nitrosomonas
-
comammox
- phenylhydrazine
-
ammonium-oxidizing
-
genome-centric
- analysis
Reaction
+ + 4 ferricytochrome c = + 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
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Inhibitors
Inhibitors on EC 1.7.2.6 - hydroxylamine dehydrogenase
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Cd2+
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decreases in hydroxylamine oxidoreductase-specific oxygen uptake rate followed by a recovery of hydroxylamine oxidoreductase-specific oxygen uptake rate above steady-state levels do occur upon exposure to Cd2+ concentrations of 0.03 mM and greater
Ce(NH4)2(NO3)6
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0.1 mM, stimulates the rate of oxidation of NH2OH 2.6-fold and inhibits production of HNO2 by 40%
Mn2+
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complete inhibition of nitrite synthesis at 0.1 mM; complete inhibition of the oxidation of HNO to NO at 0.001 mM, inhibition of HNO2 synthesis is the same at pH 6,7,8 and 9
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an HAO enzyme specific inhibitor, slight inhibition of enzyme NoHAO activity at 0.01 mM
phenylhydrazine
an HAO enzyme specific inhibitor, inhibits about 60% of enzyme NeHAO activity at 0.01 mM
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no significant changes in the NeHAO and NoHAO activities by addition of 0.5% DMSO and 0.01% Triton X-100
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additional information
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hydroxylamine oxidoreductase-specific oxygen uptake rates are not adversely affected at Cd2+ concentrations up to 0.02 mM
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additional information
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in the presence of Ru(NH3)2+ and Ru(NH3)3+ at ratios exceeding 200:1, HAO exhibits no detectable Ru(NH3)2+-NO2- oxidoreductase activity
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additional information
no significant changes in the NeHAO and NoHAO activities by addition of 0.5% DMSO and 0.01% Triton X-100
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additional information
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no significant changes in the NeHAO and NoHAO activities by addition of 0.5% DMSO and 0.01% Triton X-100
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additional information
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no significant changes in the NeHAO and NoHAO activities by addition of 0.5% DMSO and 0.01% Triton X-100
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additional information
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no significant changes in the NeHAO and NoHAO activities by addition of 0.5% DMSO and 0.01% Triton X-100
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