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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

Metals Ions

Metals Ions on EC 1.7.2.6 - hydroxylamine dehydrogenase

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METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Ag+
-
the enzyme activity is increased by 8.73% in the presence of 2 mM Ag+
Ca2+
-
the addition of 3.75 mM Ca2+ promotes the enzyme activity
Ce(NH4)2(NO3)6
-
0.1 mM, stimulates the rate of oxidation of NH2OH 2.6-fold and inhibits production of HNO2 by 40%
copper
2.9 atoms per subunit
Fe3+
-
the enzyme activity is increased by 25.64% in the presence of 1 mM Fe3+
K+
-
the enzyme activity is increased by 46.09% in the presence of 5 mM K+
Mg2+
-
the enzyme activity is increased by 14.39% in the presence of 1 mM Mg+
Mn2+
-
0.001 mM, stimulation of NH2OH utilization, stimulation at pH 6 and pH 9 is approximately 40% greater than at pH 7 and pH 8
Na+
-
the enzyme activity is increased by 38.75% in the presence of 5 mM Na+
Pb2+
-
the enzyme activity is increased by 2.62% in the presence of 2 mM Pb2+
additional information