4A46:
reference: Crosstalk between Cu(I) and Zn(II) homeostasis via Atx1 and cognate domains., Badarau A, Basle A, Firbank SJ, Dennison C, Chem Commun (Camb). 2013 Sep 21;49(73):8000-2. doi: 10.1039/c3cc42709a. Epub 2013, Aug 7. PMID: 23926594

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