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Literature summary extracted from

  • Hirasawa, M.; Tamura, G.
    Flavin and iron-sulfur containing ferredoxin-linked glutamate synthase from spinach leaves (1984), J. Biochem., 95, 983-994.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.4.7.1 Atebrin 1 mM, 45% inhibition Spinacia oleracea
1.4.7.1 azaserine 1 mM, complete inhibition Spinacia oleracea
1.4.7.1 p-chloromercuribenzoate 0.1 mM, complete inhibition Spinacia oleracea
1.4.7.1 p-chloromercuriphenylsulfonate 0.1 mM, complete inhibition Spinacia oleracea

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.4.7.1 0.062
-
2-oxoglutarate
-
Spinacia oleracea
1.4.7.1 0.53
-
L-glutamine
-
Spinacia oleracea

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.4.7.1 Iron enzyme contains an iron-sulfur-center Spinacia oleracea

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.4.7.1 140000
-
gel filtration Spinacia oleracea
1.4.7.1 170000
-
1 * 170000, SDS-PAGE Spinacia oleracea

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.4.7.1 L-glutamine + 2-oxoglutarate + reduced ferredoxin Spinacia oleracea
-
L-glutamate + oxidized ferredoxin
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.4.7.1 Spinacia oleracea
-
spinach
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.4.7.1 affinity chromatography on ferredoxin Sepharose Spinacia oleracea

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.4.7.1 leaf
-
Spinacia oleracea
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.4.7.1 101.7
-
-
Spinacia oleracea

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.4.7.1 L-glutamine + 2-oxoglutarate + reduced ferredoxin
-
Spinacia oleracea L-glutamate + oxidized ferredoxin
-
?
1.4.7.1 L-glutamine + 2-oxoglutarate + reduced methylviologen only in the presence of ferredoxin Spinacia oleracea L-glutamate + oxidized methylviologen
-
?

Subunits

EC Number Subunits Comment Organism
1.4.7.1 monomer 1 * 170000, SDS-PAGE Spinacia oleracea

Cofactor

EC Number Cofactor Comment Organism Structure
1.4.7.1 FMN
-
Spinacia oleracea