NADH electron transfer-pathway state: Difference between revisions
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Contributed by [[Gnaiger E]] 2016-02-12; edited 2016-08-28. | |||
= List of publications: N-linked or CI-linked substrate state = | = List of publications: N-linked or CI-linked substrate state = | ||
{{#ask:[[Category:Publications]] [[Substrate states::CI]] | {{#ask:[[Category:Publications]] [[Substrate states::CI]] |
Revision as of 02:19, 5 September 2016
- high-resolution terminology - matching measurements at high-resolution
NADH electron transfer-pathway state
Description
NADH-linked substrates (CI-linked) are type N substrates of ETS-level 4, feeding electrons into the N-junction catalyzed by various mt-dehydrogenases. N-supported flux is induced in mt-preparations by addition of NADH-generating substrates individually or in combination: pyruvate, glutamate, malate, oxoglutarate, citrate, hydroxybutyrate. These type N substrates are (indirectly) linked to Complex I by the corresponding dehydrogenase-catalyzed reactions reducing NAD+ to NADH+H+. In mt-preparations, succinate dehydrogenase (SDH; CII) is largely substrate-limited in N-linked respiration, due to metabolite depletion into the incubation medium. The residual involvement of S-linked respiration in the pesence of type N substrates can be further suppressed by the CII-inhibitor malonic acid).
Abbreviation: N
Reference: N-junction
MitoPedia concepts:
Respiratory state,
SUIT state
Contributed by Gnaiger E 2016-02-12; edited 2016-08-28.