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Literature summary extracted from

  • Wetzstein, H.G.; Gottschalk, G.
    A sodium-stimulated membrane-bound fumarate reductase system in Bacteroides amylophilus (1985), Arch. Microbiol., 143, 157-162.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
1.3.1.6 Triton X-100 up to 17fold increase in methyl viologen dependent activity, loss of NADH dependent activity Ruminobacter amylophilus

General Stability

EC Number General Stability Organism
1.3.1.6 inactivation by irradiation at 254 nm Ruminobacter amylophilus

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.3.1.6 2-n-heptyl-4-hydroxyquinoline-N-oxide strong inhibitor Ruminobacter amylophilus
1.3.1.6 Acriflavin specific inhibition of NADH dependent activity Ruminobacter amylophilus
1.3.1.6 ClHgSO3H inhibition with all cofactors except the methyl viologen dependent activity Ruminobacter amylophilus
1.3.1.6 KCN inhibition with all cofactors except the methyl viologen dependent activity Ruminobacter amylophilus
1.3.1.6 additional information inactivation by irradiation at 254 nm, can be partially restored by addition of 2,3-dimethyl-1,4-naphthoquinone Ruminobacter amylophilus
1.3.1.6 Triton X-100 complete loss of NADH dependent activity at concentration of 0.05%, up to 17fold increase in methyl viologen dependent activity Ruminobacter amylophilus
1.3.1.6 Zn2+ strong inhibitor Ruminobacter amylophilus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.3.1.6 0.004
-
NADH
-
Ruminobacter amylophilus
1.3.1.6 0.025
-
fumarate
-
Ruminobacter amylophilus
1.3.1.6 0.086
-
FMNH2
-
Ruminobacter amylophilus
1.3.1.6 0.28
-
FADH2
-
Ruminobacter amylophilus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.3.1.6 membrane
-
Ruminobacter amylophilus 16020
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.3.1.6 Na+ slight activation Ruminobacter amylophilus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.3.1.6 fumarate + NADH + H+ Ruminobacter amylophilus
-
succinate + NAD+
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.3.1.6 Ruminobacter amylophilus
-
-
-

Oxidation Stability

EC Number Oxidation Stability Organism
1.3.1.6 sensitive to air oxidation, loss of activity Ruminobacter amylophilus

Source Tissue

EC Number Source Tissue Comment Organism Textmining

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.3.1.6 0.14 0.25 with NADH, FMNH2 and FADH2 Ruminobacter amylophilus
1.3.1.6 0.84
-
with benzyl- or mehtyl viologen Ruminobacter amylophilus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.3.1.6 fumarate + FADH2
-
Ruminobacter amylophilus succinate + FAD
-
r
1.3.1.6 fumarate + FMNH2
-
Ruminobacter amylophilus succinate + FMN
-
r
1.3.1.6 fumarate + NADH + H+
-
Ruminobacter amylophilus succinate + NAD+
-
?

Cofactor

EC Number Cofactor Comment Organism Structure
1.3.1.6 FADH2
-
Ruminobacter amylophilus
1.3.1.6 FMNH2
-
Ruminobacter amylophilus
1.3.1.6 NADH
-
Ruminobacter amylophilus