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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2864105/
Copper metallation of mitochondrial subunits 1 and 2 is essential for the maturation and stability of these subunits. In the absence of the copper centers (as well as in the absence of the heme prosthetic groups) the proteins are rapidly degraded and the COX holoenzyme fails …Author: Darryl Horn, Antonio Barrientos
http://onlinelibrary.wiley.com/doi/10.1002/iub.50/full
Finally, copper also binds to Cox17p in the cytosol, a chaperone that has been proposed to have, similarly to Ccs1p, a dual location in the cytoplasm and in the mitochondrial intermembrane space. Mitochondrial Cox17p is necessary for copper delivery to COX as discussed below.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5688007/
Nov 15, 2017 · The copper chaperone COX17, a protein required for COX assembly, 28 was previously hypothesized to shuttle copper between the cytosol and mitochondria based on its dual localization; 29 however, COX17 null yeast maintain normal copper levels in their mitochondria and yeast strains in which COX17 is physically tethered to the inner membrane have wild-type levels and activity of COX. 30, 31 One of the most intriguing aspects of the copper …Author: Zakery N. Baker, Paul A. Cobine, Scot C. Leary
https://www.sciencedirect.com/science/article/pii/S1567724914000257
Copper delivery to plant mitochondria Copper uptake in plants is mediated by transporters from the COPT and ZIP (ZRT, IRT-like protein) families ( Pilon, 2011 , Puig and Peñarrubia, 2009 ). Once inside the cell, Cu has to arrive to different cell compartments.Author: Lucila García, Elina Welchen, Daniel Hector Gonzalez
https://ec.asm.org/content/3/1/200
Feb 01, 2004 · It is thought that COX17 delivers copper to SCO1, which is anchored in the inner mitochondrial membrane and contains a copper-binding site protruding in the mitochondrial intermembrane space. Subsequently, SCO1 passes copper to subunit II of COX located in the inner mitochondrial membrane ( 7 , 29 , 33 , 43 , 53 , 58 ).Author: Stefan W. Stumpferl, Oliver Stephan, Heinz D. Osiewacz
https://www.sciencedirect.com/science/article/pii/S016748890600053X
Copper metallation of these two enzymes occurs within the mitochondrial intermembrane space and is mediated by metallochaperone proteins. Cox17 is a key copper donor to two accessory proteins, Sco1 and Cox11, to form the two copper centers in the mature CcO complex.Author: Paul A. Cobine, Fabien Pierrel, Dennis R. Winge
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