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Literature summary extracted from

  • Wolfe, M.T.; Heo, J.; Garavelli, J.S.; Ludden, P.W.
    Hydroxylamine reductase activity of the hybrid cluster protein from Escherichia coli (2002), J. Bacteriol., 184, 5898-5902.
    View publication on PubMedView publication on EuropePMC

Activating Compound

EC Number Activating Compound Comment Organism Structure
1.7.99.1 CN- stimulates at concentrations above 5 mM Escherichia coli

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.7.1.10 CN- inhibitory after 1 h preincubation Escherichia coli
1.7.99.1 oxygen reversible inhibition Escherichia coli

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.7.99.1 2.5
-
hydroxylamine at pH 9 Escherichia coli
1.7.99.1 38.9
-
hydroxylamine at pH 7.5 Escherichia coli

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.7.1.10 CN- stimulating at concentrations above 5 mM, inhibitory after 1 h preincubation Escherichia coli
1.7.1.10 CO slight inhibition Escherichia coli

Organism

EC Number Organism UniProt Comment Textmining
1.7.1.10 Escherichia coli
-
-
-
1.7.99.1 Escherichia coli
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.7.1.10
-
Escherichia coli
1.7.99.1
-
Escherichia coli

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.7.1.10 458
-
pH 9.0 Escherichia coli
1.7.99.1 92
-
at pH 7.5 Escherichia coli
1.7.99.1 458
-
at pH 9 Escherichia coli

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.7.1.10 hydroxylamine + NADH anaeorobically in the presence of methyl viologen Escherichia coli NH3 + NAD+ + H2O
-
?
1.7.99.1 hydroxylamine + reduced acceptor
-
Escherichia coli ammonia + oxidized acceptor
-
?

Synonyms

EC Number Synonyms Comment Organism
1.7.1.10 hybrid cluster protein formerly primane protein, displays hydroxylamine reductase activity Escherichia coli
1.7.99.1 hybrid cluster protein i.e. HCP, formerly termed prismane protein Escherichia coli

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.7.1.10 9
-
-
Escherichia coli
1.7.99.1 9
-
-
Escherichia coli

pH Range

EC Number pH Minimum pH Maximum Comment Organism
1.7.1.10 7 10
-
Escherichia coli

Cofactor

EC Number Cofactor Comment Organism Structure
1.7.1.10 iron-sulfur centre
-
Escherichia coli
1.7.1.10 NADH
-
Escherichia coli