General Information of Protein (ID: PRT00977)
Name Ubiquinol-cytochrome c oxidoreductase 6 (QCR6)
Synonyms   Click to Show/Hide Synonyms of This Protein
Cytochrome b-c1 complex subunit 6, mitochondrial; Complex III subunit 6; Complex III subunit VI; Cytochrome c1 non-heme 17 kDa protein; Mitochondrial hinge protein; Ubiquinol-cytochrome c oxidoreductase subunit 6; Ubiquinol-cytochrome c reductase 17 kDa protein; YFR033C; QCR6; UCR6
Gene Name QCR6 Gene ID
850593
UniProt ID
P00127
Family Cytochrome reductase (CytRe)
  Click to Show/Hide the Molecular/Functional Data (Sequence/Structure/Function) of This Protein
Sequence
MGMLELVGEYWEQLKITVVPVVAAAEDDDNEQHEEKAAEGEEKEEENGDEDEDEDEDEDD
DDDDDEDEEEEEEVTDQLEDLREHFKNTEEGKALVHHYEECAERVKIQQQQPGYADLEHK
EDCVEEFFHLQHYLDTATAPRLFDKLK
Structure
1EZV ; 1KB9 ; 1KYO ; 1P84 ; 2IBZ ; 3CX5 ; 3CXH ; 4PD4 ; 6GIQ ; 6HU9 ; 6T0B ; 6T15
Function Component of the ubiquinol-cytochrome c oxidoreductase, a multisubunit transmembrane complex that is part of the mitochondrial electron transport chain which drives oxidative phosphorylation. The respiratory chain contains 3 multisubunit complexes succinate dehydrogenase (complex II, CII), ubiquinol-cytochrome c oxidoreductase (cytochrome b-c1 complex, complex III, CIII) and cytochrome c oxidase (complex IV, CIV), that cooperate to transfer electrons derived from NADH and succinate to molecular oxygen, creating an electrochemical gradient over the inner membrane that drives transmembrane transport and the ATP synthase. The cytochrome b-c1 complex catalyzes electron transfer from ubiquinol to cytochrome c, linking this redox reaction to translocation of protons across the mitochondrial inner membrane, with protons being carried across the membrane as hydrogens on the quinol. In the process called Q cycle, 2 protons are consumed from the matrix, 4 protons are released into the intermembrane space and 2 electrons are passed to cytochrome c.
Regulatory Network
Full List of Metabolite(s) Regulating This Protein
      Organic oxygen compounds
            Glucose Click to Show/Hide the Full List of Regulating Pair(s):   1 Pair(s)
               Detailed Information Metabo  Info click to show the details of this metabolite
               Regulating Pair Experim Info click to show the details of experiment for validating this pair [1]
                      Introduced Variation Glucose addition (1.50 hours)
                      Induced Change QCR6 protein expression levels: increase
                      Summary Introduced Variation         Induced Change 
                      Disease Status Healthy individual
                      Details It is reported that glucose addition causes the increase of QCR6 protein expression compared with control group.
References
1 Proteome analysis of yeast response to various nutrient limitations. Mol Syst Biol. 2006;2:2006.0026.

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