AtCOX17, an Arabidopsis homolog of the yeast copper chaperone COX17.

  title={AtCOX17, an Arabidopsis homolog of the yeast copper chaperone COX17.},
  author={Teresa Balandin and Carmen Castresana},
  journal={Plant physiology},
  volume={129 4},
We have identified a new plant gene, AtCOX17, encoding a protein that shares sequence similarity to COX17, a Cu-binding protein from yeast (Saccharomyces cerevisiae) and vertebrates that mediates the delivery of Cu to the mitochondria for the assembly of a functional cytochrome oxidase complex. The newly characterized Arabidopsis protein has six Cys residues at positions corresponding to those known to coordinate Cu binding in the yeast homolog. Moreover, we show that the Arabidopsis COX17 cDNA… CONTINUE READING


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