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Literature summary for 1.7.2.6 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

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

Molecular Weight [Da]

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

Organism

Organism UniProt Comment Textmining
Nitrosomonas europaea
-
-
-
Nitrosomonas europaea ATCC 19718
-
-
-

Purification (Commentary)

Purification (Comment) Organism
ammonium sulfate precipitation Nitrosomonas europaea

Substrates and Products (Substrate)

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

Subunits

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

Synonyms

Synonyms Comment Organism
HAO
-
Nitrosomonas europaea
hydroxylamine oxidoreductase
-
Nitrosomonas europaea

Cofactor

Cofactor Comment Organism Structure
heme
-
Nitrosomonas europaea

Expression

Organism Comment Expression
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
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