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Substrates as electron donors

From Bioblast


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Substrates as electron donors

Description

Substrates as electron donors are reduced fuel compounds Sred that are oxidized to an oxidized product Pox during H+-linked electron transfer, SredPox + 2{H+ + e-}. Mitochondrial respiration depends on a continuous flow of electron-supplying substrates across the mitochondrial membranes into the matrix space. Many substrates are strong anions that cannot permeate lipid membranes and hence require carriers.

Abbreviation: Sred

Reference: Gnaiger E (2023) Complex II ambiguities ― FADH2 in the electron transfer system. MitoFit Preprints 2023.3.v3. https://doi.org/10.26124/mitofit:2023-0003.v3


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Substrate
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» Substrates as electron donors
» Cellular substrates
» MitoPedia: Substrates and metabolites
» Substrate-uncoupler-inhibitor titration
Cofactor
» Cofactor
» Coenzyme, cosubstrate
» Nicotinamide adenine dinucleotide
» Coenzyme Q2
» Prosthetic group
» Flavin adenine dinucleotide
Referennces
» Gnaiger E (2023) Complex II ambiguities ― FADH2 in the electron transfer system. MitoFit Preprints 2023.3.v6. https://doi.org/10.26124/mitofit:2023-0003.v6


MitoPedia topics: Substrate and metabolite