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Literature summary extracted from

  • Nejidat, A.; Shmuely, H.; Abeliovich, A.
    Effect of ammonia starvation on hydroxylamine oxidoreductase activity of Nitrosomonas europaea (1997), J. Biochem., 121, 957-960.
    View publication on PubMed

General Stability

EC Number General Stability Organism
1.7.2.6 relative stable for 72 hours during ammonia starvation Nitrosomonas europaea

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.7.2.6 63000
-
 x * 63000, inactive enzyme, SDS-PAGE Nitrosomonas europaea
1.7.2.6 140000
-
 SDS-PAGE Nitrosomonas europaea
1.7.2.6 140000
-
 active enzyme, gel filtration Nitrosomonas europaea

Organism

EC Number Organism UniProt Comment Textmining
1.7.2.6 Nitrosomonas europaea
-
-
-
1.7.2.6 Nitrosomonas europaea ATCC 19718
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.7.2.6 ammonium sulfate precipitation Nitrosomonas europaea

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.7.2.6 hydroxylamine + 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide + H2O
-
 Nitrosomonas europaea nitrite + ?
-
 ?
1.7.2.6 hydroxylamine + 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide + H2O
-
 Nitrosomonas europaea ATCC 19718 nitrite + ?
-
 ?
1.7.2.6 hydroxylamine + phenazine methosulfate + H2O
-
 Nitrosomonas europaea nitrite + ?
-
 ?
1.7.2.6 hydroxylamine + phenazine methosulfate + H2O
-
 Nitrosomonas europaea ATCC 19718 nitrite + ?
-
 ?

Subunits

EC Number Subunits Comment Organism
1.7.2.6 ? x * 140000, active enzyme, SDS-PAGE Nitrosomonas europaea
1.7.2.6 ? x * 63000, inactive enzyme, SDS-PAGE Nitrosomonas europaea
1.7.2.6 oligomer alpha2 oligomer Nitrosomonas europaea

Synonyms

EC Number Synonyms Comment Organism
1.7.2.6 HAO
-
 Nitrosomonas europaea
1.7.2.6 hydroxylamine oxidoreductase
-
 Nitrosomonas europaea

Cofactor

EC Number Cofactor Comment Organism Structure
1.7.2.6 heme
-
 Nitrosomonas europaea

Expression

EC Number Organism Comment Expression
1.7.2.6 Nitrosomonas europaea the enzyme level remains highly stable during ammonia starvation. The enzyme level shows no significant change when the cells are incubated with 0.2 mM ammonia for 60 min at 4°C or 26°C additional information
1.7.2.6 Nitrosomonas europaea there is some increase in the enzyme level only after 4 h incubation of starved Nitrosomonas europaea cells with 2 mM ammonia up