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1.6.3.3: NADH oxidase (H2O2-forming)

This is an abbreviated version!
For detailed information about NADH oxidase (H2O2-forming), go to the full flat file.

Word Map on EC 1.6.3.3

Reaction

NADH
+
H+
 +
O2
=
NAD+
 +
H2O2

Synonyms

AF0395, H2O2-forming NADH oxidase, H2O2-forming reduced nicotinamide adenine dinucleotide oxidase, MJ0649, MJNox, NADH:O2 oxidoreductase, NOX, Nox-1, NOX1, NoxA-1, NoxA2, NoxB-1, PH0311, PhNOX

ECTree

     1 Oxidoreductases
         1.6 Acting on NADH or NADPH
             1.6.3 With oxygen as acceptor
                1.6.3.3 NADH oxidase (H2O2-forming)

pH Range

pH Range on EC 1.6.3.3 - NADH oxidase (H2O2-forming)

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
4.4 - 8.4
pH 4.4: about 70% of maximal activity, pH 8.4: about 90% of maximal activity
4.5 - 8
pH 4.5: about 90% of maximal activity, pH 8.0: about 50% of maximal activity
4.5 - 9.8
-
the activity decreases with pH in the range pH 4.5 to 9.8
5 - 8
pH 5.0: about 50% of maximal activity, pH 8.0: about 50% of maximal activity
5.5 - 8.5
-
pH 5.5: 73% of maximal activity (50 mM Mes buffer), pH 8.5: 81% of maximal activity (50 mM Mops buffer)
6 - 9.5
pH 6.0: about 60% of maximal activity, pH 9.5: about 60% of maximal activity
6.5 - 7.5
-
very active in the pH-range 6.5-7.5
6.5 - 9
pH 6.5: about 55% of maximal activity, pH 9.0: about 55% of maximal activity
7.9 - 11
-
pH 7.8: about 60% of maximal activity, pH 11.0: about 90% of maximal activity