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Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Annu+Rev+Biophys 2017 ; 46 (ä): 85-103 Nephropedia Template TP
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Biophysical models of protein evolution: Understanding the patterns of evolutionary sequence divergence #MMPMID28301766
Echave J; Wilke CO
Annu Rev Biophys 2017[May]; 46 (ä): 85-103 PMID28301766show ga
For decades, rates of protein evolution have been interpreted in terms of the vague concept of ?functional importance?. Slowly evolving proteins or sites within proteins were assumed to be more functionally important and thus subject to stronger selection pressure. More recently, biophysical models of protein evolution, which combine evolutionary theory with protein biophysics, have completely revolutionized our view of the forces that shape sequence divergence. Slowly evolving proteins have been found to evolve slowly because of selection against toxic misfolding and misinteractions, linking their rate of evolution primarily to their abundance. Similarly, most slowly evolving sites in proteins are not directly involved in function, but mutating them has large impacts on protein structure and stability. Here, we review the studies of the emergent field of biophysical protein evolution that have shaped our current understanding of sequence divergence patterns. We also propose future research directions to develop this nascent field.