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Literature summary for 1.5.5.1 extracted from

  • Swanson, M.A.; Usselman, R.J.; Frerman, F.E.; Eaton, G.R.; Eaton, S.S.
    The iron-sulfur cluster of electron transfer flavoprotein-ubiquinone oxidoreductase is the electron acceptor for electron transfer flavoprotein (2008), Biochemistry, 47, 8894-8901.
    View publication on PubMedView publication on EuropePMC
Search for more literature for 1.5.5.1

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli strain C43 Cereibacter sphaeroides

Protein Variants

Protein Variants Comment Organism
N338A the mutation has no impact on the reduction potential for the iron-sulfur cluster and leads to a slight increase in disproportionation activity (110% relative to wild type activity) Cereibacter sphaeroides
N338T the mutation has no impact on the reduction potential for the iron-sulfur cluster and leads to a slight increase in disproportionation activity (110% relative to wild type activity) Cereibacter sphaeroides

Metals/Ions

Metals/Ions Comment Organism Structure
4Fe-4S the enzyme contains one [4Fe-4S]2+,1+, the iron-sulfur cluster is the immediate acceptor from electron-transferring flavoprotein Cereibacter sphaeroides

Organism

Organism UniProt Comment Textmining
Cereibacter sphaeroides
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
reduced electron-transferring flavoprotein + ubiquinone-2
-
 Cereibacter sphaeroides electron-transferring flavoprotein + ubiquinol-2
-
 ?

Synonyms

Synonyms Comment Organism
electron transfer flavoprotein-ubiquinone oxidoreductase
-
 Cereibacter sphaeroides
ETF-QO
-
 Cereibacter sphaeroides

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
8
-
 reduced electron-transferring flavoprotein wild type enzyme Cereibacter sphaeroides
8.8
-
 reduced electron-transferring flavoprotein mutant enzyme N338A Cereibacter sphaeroides
8.9
-
 reduced electron-transferring flavoprotein mutant enzyme N338T Cereibacter sphaeroides

Cofactor

Cofactor Comment Organism Structure
FAD the enzyme contains one FAD, FAD is involved in electron transfer to ubiquinone but not in electron transfer from electron-transferring flavoprotein to ETF-QO Cereibacter sphaeroides