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Comparative interactomics is a strategy for inferring potential interactions among orthologous proteins or “interologs”. Herein we focus, in contrast to standard homology-based inference, on the divergence of protein interaction profiles among closely related organisms, showing that the approach can correlate specific traits to phenotypic differences. As a model, this new comparative interactomic...
The chemical nucleases 1,10-phenanthroline-Cu(II) and EDTA-Fe(II), have proven to be valuable tools for structural analysis of nucleic acids. Both have found applications in footprinting and directed proximity studies of DNA and RNA. Derivatives of each that provide for tethering to nucleic acid or protein are commercially available, allowing their widespread use for structural analysis of macromolecules...
Chemical cleavage is developing into a powerful tool for analysis and characterization of nucleic acids. Phenanthroline-Cu(II) cleavage has been used extensively for studies of DNA for the last two decades, but recently has been applied to structural studies of RNA as well. This approach has been used to study the structure and structural changes occurring in ribosomal RNA within the ribosomes. In...
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