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Literature summary for 1.7.1.1 extracted from

  • Nakamura, Y.; Ikawa, T.
    Purification and properties of NADH: nitrate reductase from the red alga Porphyra yezoensis (1993), Plant Cell Physiol., 34, 1239-1249.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
azide inhibition of full and nitrate-reducing partial activities Neopyropia yezoensis
cyanide inhibition of full and nitrate-reducing partial activities Neopyropia yezoensis
NEM inhibition of full and NADH-utilizing partial activities Neopyropia yezoensis
p-hydroxymercuribenzoate inhibition of full and NADH-utilizing partial activities Neopyropia yezoensis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.023
-
NADH
-
Neopyropia yezoensis
0.064
-
nitrate
-
Neopyropia yezoensis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
100000
-
2 * 100000, SDS-PAGE Neopyropia yezoensis
220000
-
gel filtration Neopyropia yezoensis

Organism

Organism UniProt Comment Textmining
Neopyropia yezoensis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Neopyropia yezoensis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
12.5
-
-
Neopyropia yezoensis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2 ferricytochrome c + NADH
-
Neopyropia yezoensis 2 ferrocytochrome c + NAD+ + H+
-
?
FMNH2 + nitrate
-
Neopyropia yezoensis FMN + nitrite
-
?
nitrate + NADH
-
Neopyropia yezoensis nitrite + NAD+ + H2O
-
?
nitrate + NADPH no activity Neopyropia yezoensis nitrite + NADP+ + H2O
-
?
reduced methyl viologen + nitrate
-
Neopyropia yezoensis methyl viologen + nitrite
-
?

Subunits

Subunits Comment Organism
dimer 2 * 100000, SDS-PAGE Neopyropia yezoensis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
FMNH2-nitrate reductase activity Neopyropia yezoensis
7.5
-
reduced methyl viologen-nitrate reductase activity Neopyropia yezoensis
8.3
-
-
Neopyropia yezoensis
8.5
-
NADH-ferricyanide reductase activity and NADH-cytochrome c reductase activity Neopyropia yezoensis

Cofactor

Cofactor Comment Organism Structure
NADH
-
Neopyropia yezoensis