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Literature summary for 1.7.7.1 extracted from

  • Yabuki, Y.; Mori, E.; Tamura, G.
    Nitrite reductase in the cyanobacterium Spirulina plantensis (1985), Agric. Biol. Chem., 49, 3061-3062.
No PubMed abstract available

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.02
-
oxidized ferredoxin
-
Arthrospira platensis
0.2
-
nitrite
-
Arthrospira platensis
0.4
-
methyl viologen
-
Arthrospira platensis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
52000
-
gel filtration Arthrospira platensis

Organism

Organism UniProt Comment Textmining
Arthrospira platensis
-
cyanobacterium
-

Purification (Commentary)

Purification (Comment) Organism
-
Arthrospira platensis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
194
-
-
Arthrospira platensis

Storage Stability

Storage Stability Organism
4°C, 200 mM Tris-HCl buffer, pH 7.5, 200 mM NaCl, 10% glycerol, for at least 1 month Arthrospira platensis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
NH3 + H2O + oxidized ferredoxin
-
Arthrospira platensis nitrite + reduced ferredoxin + H+
-
r
nitrite + reduced ferredoxin
-
Arthrospira platensis ammonia + oxidized ferredoxin
-
?
nitrite + reduced methyl viologen
-
Arthrospira platensis NH3 + H2O + oxidized methyl viologen
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.8
-
-
Arthrospira platensis