Abstract:Unlike mammalian aging associated with many hallmarks, E. coli aging is only significantly characterized by protein aggregation, thus offering an excellent model for addressing the relationship between protein aggregation and aging. Here we characterized conformations, unfolding and dynamics of ribosomal protein S1 and its D3/D5 domains using NMR, CD and fluorescence spectroscopy. S1 is a 557-residue modular protein containing six S1 motifs. Paradoxically, while S1 is well-folded and very soluble in vitro, it … Show more
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