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Literature summary extracted from

  • Herrero, A.; Flores, E.; Guerrero, M.G.
    Regulation of nitrate reductase levels in the cyanobacteria Anacystis nidulans, Anabaena sp. strain 7119, and Nostoc sp. strain 6719 (1981), J. Bacteriol., 145, 175-180.
    View publication on PubMedView publication on EuropePMC

Activating Compound

EC Number Activating Compound Comment Organism Structure
1.7.7.2 additional information nitrate plays an active role in enzyme synthesis, ammonia acts as antagonist Anabaena sp.
1.7.7.2 additional information nitrate plays an active role in enzyme synthesis, ammonia acts as antagonist Nostoc sp.

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.7.7.2 additional information nitrate plays an active role in enzyme synthesis, ammonia acts as antagonist Anabaena sp.
1.7.7.2 additional information nitrate plays an active role in enzyme synthesis, ammonia acts as antagonist Nostoc sp.
1.7.7.2 additional information enzyme synthesis is repressed in presence of ammonia as a result of its metabolism, nitrate is not required as an obligate inducer Synechococcus elongatus PCC 7942 = FACHB-805

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.7.7.2 nitrate + reduced ferredoxin Synechococcus elongatus PCC 7942 = FACHB-805 first step in assimilatory reduction of nitrate nitrite + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced ferredoxin Anabaena sp. first step in assimilatory reduction of nitrate nitrite + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced ferredoxin Nostoc sp. first step in assimilatory reduction of nitrate nitrite + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced ferredoxin Synechococcus elongatus PCC 7942 = FACHB-805 L 1402-1 first step in assimilatory reduction of nitrate nitrite + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced ferredoxin Anabaena sp. 7119 first step in assimilatory reduction of nitrate nitrite + oxidized ferredoxin
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.7.7.2 Anabaena sp.
-
-
-
1.7.7.2 Anabaena sp.
-
 previously classified as Nostoc muscorum 7119, filamentous nitrogen fixer
-
1.7.7.2 Anabaena sp. 7119
-
-
-
1.7.7.2 Nostoc sp.
-
 strain PCC 6719, filamentous nitrogen fixer
-
1.7.7.2 Synechococcus elongatus PCC 7942 = FACHB-805
-
-
-
1.7.7.2 Synechococcus elongatus PCC 7942 = FACHB-805
-
 unicellular non-nitrogen fixer
-
1.7.7.2 Synechococcus elongatus PCC 7942 = FACHB-805 L 1402-1
-
-
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.7.7.2 0.2
-
 in situ assay, cells grown on media containing nitrate Synechococcus elongatus PCC 7942 = FACHB-805

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.7.7.2 nitrate + reduced ferredoxin
-
 Synechococcus elongatus PCC 7942 = FACHB-805 nitrite + H2O + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced ferredoxin
-
 Anabaena sp. nitrite + H2O + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced ferredoxin
-
 Nostoc sp. nitrite + H2O + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced ferredoxin
-
 Synechococcus elongatus PCC 7942 = FACHB-805 L 1402-1 nitrite + H2O + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced ferredoxin
-
 Anabaena sp. 7119 nitrite + H2O + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced ferredoxin first step in assimilatory reduction of nitrate Synechococcus elongatus PCC 7942 = FACHB-805 nitrite + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced ferredoxin first step in assimilatory reduction of nitrate Anabaena sp. nitrite + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced ferredoxin first step in assimilatory reduction of nitrate Nostoc sp. nitrite + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced ferredoxin first step in assimilatory reduction of nitrate Synechococcus elongatus PCC 7942 = FACHB-805 L 1402-1 nitrite + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced ferredoxin first step in assimilatory reduction of nitrate Anabaena sp. 7119 nitrite + oxidized ferredoxin
-
 ?
1.7.7.2 nitrate + reduced methyl viologen enzyme uses also reduced methyl viologen as reductant Synechococcus elongatus PCC 7942 = FACHB-805 nitrite + oxidized methyl viologen
-
 ?
1.7.7.2 nitrate + reduced methyl viologen enzyme uses also reduced methyl viologen as reductant Anabaena sp. nitrite + oxidized methyl viologen
-
 ?
1.7.7.2 nitrate + reduced methyl viologen enzyme uses also reduced methyl viologen as reductant Nostoc sp. nitrite + oxidized methyl viologen
-
 ?
1.7.7.2 nitrate + reduced methyl viologen enzyme uses also reduced methyl viologen as reductant Synechococcus elongatus PCC 7942 = FACHB-805 L 1402-1 nitrite + oxidized methyl viologen
-
 ?
1.7.7.2 nitrate + reduced methyl viologen enzyme uses also reduced methyl viologen as reductant Anabaena sp. 7119 nitrite + oxidized methyl viologen
-
 ?