Free ET capacity

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Bioblasts - Richard Altmann and MiPArt by Odra Noel
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Free ET capacity


Free ET capacity The Free ET capacity, ≈E, is the ET capacity corrected for LEAK respiration, ≈E = E-L. ≈E is the respiratory capacity potentially available for ion transport and phosphorylation of ADP to ATP. Oxygen consumption in the ET-pathway state, therefore, is partitioned into the free ET capacity, ≈E, and LEAK respiration, LP, compensating for proton leaks, slip and cation cycling: E = ≈E+LP (see free OXPHOS capacity).

Abbreviation: ≈E

Reference: Gnaiger 2014 MitoPathways

MitoPedia concepts: Respiratory state, Recommended, Ergodynamics 

MitoPedia topics: EAGLE 

Communicated by Gnaiger E 2014-09-21, edited 2015-01-19.

Coupling control states for ≈E

» Respiratory state

Flux control factor

» Flux control factor, FCF