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Literature summary for 1.9.6.1 extracted from

  • Sadana, J.C.; McElroy, W.D.
    Nitrate reductase from Achromobacter fischeri. Purification and properties: Function of flavines and cytochrome (1957), Arch. Biochem. Biophys., 67, 16-34.
    View publication on PubMed

General Stability

General Stability Organism
stable to prolonged dialysis Aliivibrio fischeri

Inhibitors

Inhibitors Comment Organism Structure
azide NaN3 at 30 mM completely inactivates Aliivibrio fischeri
hydrogensulfite 0.1 mM, complete inhibition Aliivibrio fischeri
p-chloromercuribenzoate 0.3 mM, completely inhibits, can be reversed by cysteine or glutathione Aliivibrio fischeri
Sulfide Na2S at 0.5 mM inactivates completely Aliivibrio fischeri

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information
-
Aliivibrio fischeri

Localization

Localization Comment Organism GeneOntology No. Textmining
soluble
-
Aliivibrio fischeri
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Iron contains iron Aliivibrio fischeri

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
100000
-
-
Aliivibrio fischeri

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
nitrate + reduced acceptor Aliivibrio fischeri the enzymes EC 1.7.99.4 and EC 1.9.6.1 are probably identical, in vivo cytochrome serves as electron donor in the electron transport chain to nitrate nitrite + acceptor
-
?
nitrate + reduced acceptor Aliivibrio fischeri electron transport chain in vivo: Fe3 + via specific cytochrome-nitrate reductase to NO3- nitrite + acceptor
-
?

Organism

Organism UniProt Comment Textmining
Aliivibrio fischeri
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Aliivibrio fischeri

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.484
-
-
Aliivibrio fischeri

Storage Stability

Storage Stability Organism
frozen, several months, stable Aliivibrio fischeri

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information the enzymes EC 1.7.99.4 and EC 1.9.6.1 are probably identical, in vivo cytochrome serves as electron donor in the electron transport chain to nitrate Aliivibrio fischeri ?
-
?
nitrate + reduced acceptor reduced benzyl viologen as electron donor Aliivibrio fischeri nitrite + acceptor
-
?
nitrate + reduced acceptor reduced methyl viologen as electron donor Aliivibrio fischeri nitrite + acceptor
-
?
nitrate + reduced acceptor the enzymes EC 1.7.99.4 and EC 1.9.6.1 are probably identical, in vivo cytochrome serves as electron donor in the electron transport chain to nitrate Aliivibrio fischeri nitrite + acceptor
-
?
nitrate + reduced acceptor electron transport chain in vivo: Fe3 + via specific cytochrome-nitrate reductase to NO3- Aliivibrio fischeri nitrite + acceptor
-
?

Synonyms

Synonyms Comment Organism
More the enzymes EC 1.7.99.4 and EC 1.9.6.1 are probably identical, in vivo cytochrome serves as electron donor in the electron transport chain to nitrate Aliivibrio fischeri

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
10 min, stable Aliivibrio fischeri
60
-
10 min, 10-15% loss of activity Aliivibrio fischeri
70
-
5 min, complete and irreversible loss of activity Aliivibrio fischeri

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 8.5 same rate between Aliivibrio fischeri

pH Range

pH Minimum pH Maximum Comment Organism
5.5 10 sharp drop of activity below pH 5.5 and above pH 10 Aliivibrio fischeri

Cofactor

Cofactor Comment Organism Structure
cytochrome presence of a bound cytochrome Aliivibrio fischeri
additional information enzyme contains no flavin Aliivibrio fischeri