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Literature summary for 1.7.3.6 extracted from

  • Kurokawa, M.; Fukumori, Y.; Yamanaka, T.
    A hydroxylamine-cytochrome c reductase occurs in the heterotrophic nitrifier Arthrobacter globiformis (1985), Plant Cell Physiol., 26, 1439-1442.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
EDTA complete inhibition at 0.1 mM EDTA Arthrobacter globiformis
additional information hardly inhibited by 0.1 mM KCN Arthrobacter globiformis

Metals/Ions

Metals/Ions Comment Organism Structure
Fe2+ the enzyme is activated 6fold and 21fold by 0.01 mM and 0.1 mM ferrous ions, respectively Arthrobacter globiformis

Organism

Organism UniProt Comment Textmining
Arthrobacter globiformis
-
-
-
Arthrobacter globiformis IFO 3062
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
hydroxylamine + O2
-
Arthrobacter globiformis nitrite + H2O + H+
-
?
hydroxylamine + O2
-
Arthrobacter globiformis IFO 3062 nitrite + H2O + H+
-
?

Synonyms

Synonyms Comment Organism
hydroxylamine-cytochrome c reductase
-
Arthrobacter globiformis

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
70
-
90% loss of activity after 1 min at 70°C Arthrobacter globiformis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9
-
-
Arthrobacter globiformis

Cofactor

Cofactor Comment Organism Structure
additional information does not contain cytochrome Arthrobacter globiformis

IC50 Value

IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
0.01
-
at pH 9.0 and 30°C Arthrobacter globiformis EDTA