Difference between revisions of "Q-junction"
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|abbr=Q | |abbr=Q | ||
|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 complex]] (CETF), [[glycerophosphate dehydrogenase complex]] (CGpDH), choline dehydrogenase and other enzyme complexes into the [[Q-cycle]] (ubiquinol/ubiquinone), and further to [[Complex III]] (CIII). | |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 complex]] (CETF), [[glycerophosphate dehydrogenase complex]] (CGpDH), [[choline dehydrogenase]] and other enzyme complexes into the [[Q-cycle]] (ubiquinol/ubiquinone), and further to [[Complex III]] (CIII). The concept of the, Q-junction, [[F-junction]] and [[N-junction]] provides the rationale for defining [[categories of SUIT protocols]]. | ||
|info=[[Gnaiger 2009 Int J Biochem Cell Biol]], [[Gnaiger 2014 MitoPathways]] | |info=[[Gnaiger 2009 Int J Biochem Cell Biol]], [[Gnaiger 2014 MitoPathways]] | ||
|type=Respiration | |type=Respiration | ||
Revision as of 07:12, 12 February 2016
- 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 complex (CETF), glycerophosphate dehydrogenase complex (CGpDH), choline dehydrogenase and other enzyme complexes into the Q-cycle (ubiquinol/ubiquinone), and further to Complex III (CIII). The concept of the, Q-junction, F-junction and N-junction provides the rationale for defining categories of SUIT protocols.
Abbreviation: Q
Reference: Gnaiger 2009 Int J Biochem Cell Biol, Gnaiger 2014 MitoPathways
MitoPedia methods: Respirometry
MitoPedia O2k and high-resolution respirometry: "SUIT protocol" is not in the list (O2k hardware, DatLab, Oroboros QM, O2k-Open Support, O2k-Respirometry, O2k-FluoRespirometry) of allowed values for the "MitoPedia O2k and high-resolution respirometry" property.
SUIT protocol"SUIT protocol" is not in the list (O2k hardware, DatLab, Oroboros QM, O2k-Open Support, O2k-Respirometry, O2k-FluoRespirometry) of allowed values for the "MitoPedia O2k and high-resolution respirometry" property.
MitoPedia topics:
Enzyme
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
