1.7.3.6: hydroxylamine oxidase (cytochrome)

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For detailed information about hydroxylamine oxidase (cytochrome), go to the full flat file.

Reaction

Synonyms

EC 1.7.3.4, HAO, hydroxylamine oxidase, hydroxylamine oxidoreductase, hydroxylamine-cytochrome c oxidoreductase, hydroxylamine-cytochrome c reductase, oxidase, hydroxylamine HAO, protein NE1300

ECTree

     1 Oxidoreductases

         1.7 Acting on other nitrogenous compounds as donors

             1.7.3 With oxygen as acceptor

                1.7.3.6 hydroxylamine oxidase (cytochrome)

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Results	in table
1	AA Sequence
1	CAS Registry Number
6	Cofactor
1	Crystallization (Commentary)
2	Expression
2	General Information
1	IC50 Value
6	Inhibitors
4	KM Value [mM]
4	Localization
3	Metals/Ions
2	Molecular Weight [Da]
2	Natural Substrates/ Products (Substrates)
10	Organism
1	Pathway
5	pH Optimum
3	pH Range
2	Purification (Commentary)
3	Reaction
4	Reaction Type
8	Reference
1	Specific Activity [micromol/min/mg]
13	Substrates and Products (Substrate)
4	Subunits
14	Synonyms
1	Systematic Name
1	Temperature Stability [°C]
1	Turnover Number [1/s]

pH Range

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pH Range on EC 1.7.3.6 - hydroxylamine oxidase (cytochrome)

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pH RANGE

ORGANISM

UNIPROT

COMMENTARY

LITERATURE

7.3 - 11.5

Paracoccus denitrificans

-

pH 7.3: about 35% of maximal activity, pH 11.5: about 50% of maximal activity activity with pseudoazurin

394342

7.6 - 10

Paracoccus denitrificans

-

pH 7.6: about 50% of maximal activity, pH 10.0: about 35% of maximal activity with horse heart cytochrome c

394342

8 - 11

Paracoccus denitrificans

-

activity with cytochrome c550 continues to increase to pH 11, activity at pH 8 is about 50% of the activity at pH 11

394342