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Difference between revisions of "Q-junction"

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''More details:'' >>[[Respiratory_complexes#Respiratory_complexes_-_more_than_five |Respiratory complexes - more than five]]  
''More details:'' [[Respiratory_complexes#Respiratory_complexes_-_more_than_five |»Respiratory complexes - more than five]]  
* [[O2k-Publications: Q-Junction Effect]]
[[O2k-Publications: Q-Junction Effect]]

Revision as of 09:19, 31 May 2015


high-resolution terminology - matching measurements at high-resolution


Q-junction

Description

The Q-junction is a junction for convergent electron flow in the electron transfer system (ETS) from Complex I (CI), Complex II (CII), electron-transferring flavoprotein (CETF), glycerophosphate dehydrogenase complex (CGpDH), choline dehydrogenase and other enzyme complexes into the Q-cycle (ubiquinol/ubiquinone), and further to Complex III (CIII).

Abbreviation: Q

Reference: Gnaiger 2009 Int J Biochem Cell Biol, Gnaiger 2014 MitoPathways


MitoPedia methods: Respirometry 


MitoPedia topics: Enzyme 

Q-junction

Convergent CI&II-linked electron flow at the Q-junction, exerting an additive effect on flux, versus electron gaiting for separation of single input pathways (upper panel: Gnaiger 2009; lower panel: Hatefi 1962 J Biol Chem-XLII). From Fig. 1.5 in Gnaiger 2014 MitoPathways.


More details: »Respiratory complexes - more than five

» O2k-Publications: Q-Junction Effect