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Literature summary for 1.7.1.1 extracted from

  • Barber, M.J.; Notton, B.A.
    Spinach nitrate reductase (1990), Plant Physiol., 93, 537-540.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.006
-
ferricytochrome c ionic strength: 50 mM Spinacia oleracea
0.006
-
NADH ionic strength: 200 mM Spinacia oleracea
0.007
-
NADH ionic strength: 50 mM Spinacia oleracea
0.013
-
nitrate at ionic strength of 50 mM Spinacia oleracea
0.018
-
nitrate at ionic strength of 200 mM Spinacia oleracea
0.021
-
ferricyanide ionic strength: 50 mM Spinacia oleracea
0.029
-
ferricytochrome c ionic strength: 200 mM Spinacia oleracea
0.035
-
ferricyanide ionic strength: 200 mM Spinacia oleracea
0.053
-
oxidized 2,6-dichlorophenolindophenol ionic strength: 50 mM Spinacia oleracea
0.056
-
oxidized 2,6-dichlorophenolindophenol ionic strength: 200 mM Spinacia oleracea
0.056
-
flavin hydroquinone ionic strength: 50 mM or 200 mM Spinacia oleracea
0.221
-
ClO3- ionic strength: 50 mM Spinacia oleracea
0.739
-
BrO3- ionic strength: 50 mM Spinacia oleracea
10.75
-
IO3- ionic strength: 50 mM Spinacia oleracea

Organism

Organism UniProt Comment Textmining
Spinacia oleracea
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
root
-
Spinacia oleracea
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2 ferricyanide + NADH
-
Spinacia oleracea 2 ferrocyanide + NAD+ + H+
-
?
2 ferricytochrome c + NADH
-
Spinacia oleracea 2 ferrocytochrome c + NAD+ + H+
-
?
flavin hydroquinone + nitrate
-
Spinacia oleracea ? + nitrite
-
?
NADH + BrO3-
-
Spinacia oleracea NAD+ + ?
-
?
NADH + ClO3-
-
Spinacia oleracea NAD+ + ?
-
?
NADH + IO3-
-
Spinacia oleracea NAD+ + ?
-
?
nitrate + NADH
-
Spinacia oleracea nitrite + NAD+ + H2O
-
?
oxidized 2,6-dichlorophenolindophenol + NADH
-
Spinacia oleracea ? + NAD+
-
?
oxidized 2,6-dichlorophenolindophenol + NADH + H+
-
Spinacia oleracea reduced 2,6-dichlorophenolindophenol + NAD+
-
r
reduced methyl viologen + nitrate
-
Spinacia oleracea methyl viologen + nitrite
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
NADH:ferricyanide reductase activity, NADH:dichlorophenolindophenol reductase activity and reduced methyl viologen:nitrate reductase activity Spinacia oleracea
7
-
NADH:nitrate reductase activity Spinacia oleracea
7.3
-
NADH:cytochrome c reductase activity Spinacia oleracea
7.5
-
flavin hydroquinone:nitrate reductase activity Spinacia oleracea

Cofactor

Cofactor Comment Organism Structure
NADH
-
Spinacia oleracea