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Literature summary for 1.7.1.4 extracted from

  • Sengupta, S.; Shaila, M.S.; Rao, G.R.
    In vitro and in vivo regulation of assimilatory nitrite reductase from Candida utilis (1997), Arch. Microbiol., 168, 215-224.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
iodoacetate 64% inhibition Cyberlindnera jadinii
N-ethylmaleimide 1 mM, 64% inhibition after 5 min, reduced glutathione restores activity to 94% Cyberlindnera jadinii
p-chloromercuribenzoate 1 mM, 79% inhibition after 5 min, dithiothreitol completely reverses activity, reduced glutathione, L-cysteine and 2-mercaptoethanol reverse activity to 86%, 64% and 82% respectively Cyberlindnera jadinii

Organism

Organism UniProt Comment Textmining
Cyberlindnera jadinii
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Cyberlindnera jadinii

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1800
-
activity in crude extracts of cells grown in the presence of 50 mM urea Cyberlindnera jadinii
5900
-
activity in crude extracts of cells grown in the presence of 50 mM glutamine Cyberlindnera jadinii
17300
-
activity in crude extracts of cells grown in the presence of 50 mM ammonium sulfate Cyberlindnera jadinii
24000
-
activity in crude extracts of cells grown in the presence of 50 mM asparagine Cyberlindnera jadinii
60000
-
activity in crude extracts of cells grown in the presence of 50 mM potassium nitrate Cyberlindnera jadinii

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
NAD(P)H + nitrite + H+ enzyme can utilize NAD(P)H and methyl viologen as electron donors, NADPH is more effective than NADH Cyberlindnera jadinii NAD(P)+ + NH3 + H2O
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?

Cofactor

Cofactor Comment Organism Structure
FAD addition increases activity Cyberlindnera jadinii
FMN 0.01 mM, approx. 2fold increase in activity Cyberlindnera jadinii
NADH
-
Cyberlindnera jadinii
NADPH
-
Cyberlindnera jadinii