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The amyloidoses are a heterogeneous group of diseases, which are characterized by the local or systemic deposition of amyloid. At the root of these diseases are changes in protein conformation where normal innocuous proteins transform into insoluble amyloid fibrils and deposit in tissues. The...
It is generally understood that helical proteins are stabilized by a combination of hydrophobic and packing interactions, together with H‐bonds and electrostatic interactions. Here we show that polar side‐chain interactions on the surface can play an important role in helix formation and...
The α‐factor tridecapeptide initiates mating in Saccharomyces cerevisiae upon interaction with Ste2p, its cognate G‐protein coupled receptor (GPCR). This interaction is being used as a paradigm for understanding the structure and mechanism of activation of GPCRs by medium‐sized peptides....
The helix forming properties of the achiral α‐amino isobutyric residue (Aib) have been demonstrated by numerous crystal structure analyses of designed and naturally occurring peptides containing one or more Aib residues in the sequence. Experimental and computational results concerning the...
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