Category: Science > Chemistry
Asked by: olsen-ga
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22 Jan 2005 20:38 PST
Expires: 21 Feb 2005 20:38 PST
Question ID: 461800
how is coenzyme Q10 related to Ubiquitin?
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From: buckrah-ga on 23 Jan 2005 10:34 PST
Co-enzyme Q10, Ubiquinone and Ubiquitin are all synonyms, apparently.
From: shouzen-ga on 23 Jan 2005 12:36 PST
CoQ10/ubiquinone is an electron-carrying quinone which is involved in the respiratory chain. it is not a protein. ubiquitin is NOT the same. it is a small 79-residue protein with multiple functions (i would argue that its main function is targeting of proteins to the proteosome for degradation) i'm not sure if they have any relation at all. perhaps olsen can shed more light on the situation?
From: olsen-ga on 23 Jan 2005 15:24 PST
recent studies re: ubiquitin and proteasome pathways mention coenzyme Q10 (ubiquinone). these are all found in the miotchondria--ubiuitin and proteasome pathway act as disposal system of degraded proteins and coq10 acts both in production of ATP and as an antioxidant. what role does coq10 play in any function of the ubiquitin-proteasome protein selection/degradation?
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