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With the advent of personalized medicine, anatomic pathology-based molecular assays, including in situ hybridization (ISH) and mRNA detection tests, are performed routinely in many laboratories and have increased in their clinical importance and complexity. These assays require appropriately fixed tissue samples that preserve both nucleic acid targets and histomorphology to ensure reliable test results...
The periplasmic metallochaperone CusF coordinates Cu(I) and Ag(I) through a unique site consisting of a Met2His motif as well as a Cu(I)–π interaction between a nearby tryptophan, W44, and the metal ion. Through mutational analyses we investigate here the role that W44 in CusF plays in metal coordination. Nuclear magnetic resonance spectra show that the specificity of CusF for Cu(I) and Ag(I) is not...
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