Literature summary extracted from

Yamagata, A.; Hirota, R.; Kato, J.; Kuroda, A.; Ikeda, T.; Takiguchi, N.; Ohtake, H.
Mutational analysis of the multicopy hao gene coding for hydroxylamine oxidoreductase in Nitrosomonas sp. strain ENI-11 (2000), Biosci. Biotechnol. Biochem., 64, 1754-1757.

Protein Variants

EC Number	Protein Variants	Comment	Organism
1.7.2.6	additional information	mutants with only one or two of the three copies of the gene for hydroxylamine oxidoreductase have reduced enzyme activity	Nitrosomonas europaea

Organism

EC Number	Organism	UniProt	Comment	Textmining
1.7.2.6	Nitrosomonas europaea	-	-	-
1.7.2.6	Nitrosomonas europaea ENI-11	-	-	-
1.7.2.6	Nitrosomonas sp.	-	-	-
1.7.2.6	Nitrosomonas sp. ENI-11	-	-	-

Specific Activity [micromol/min/mg]

EC Number	Specific Activity Minimum [µmol/min/mg]	Specific Activity Maximum [µmol/min/mg]	Comment	Organism
1.7.2.6	additional information	-	the specific activity of the wild type enzyme is 190 units/OD600, pH and temperature not specified in the publication	Nitrosomonas sp.

Substrates and Products (Substrate)

EC Number	Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
1.7.2.6	hydroxylamine + phenazine methosulfate	-	Nitrosomonas sp.	nitrite + ?	-	?
1.7.2.6	hydroxylamine + phenazine methosulfate	-	Nitrosomonas sp. ENI-11	nitrite + ?	-	?

Synonyms

EC Number	Synonyms	Comment	Organism
1.7.2.6	HAO	-	Nitrosomonas sp.
1.7.2.6	hydroxylamine oxidoreductase	-	Nitrosomonas sp.

Cofactor

EC Number	Cofactor	Comment	Organism	Structure
1.7.2.6	heme	-	Nitrosomonas sp.

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Release 2023.1 (January 2023)