Causes of evolutionary rate variation among protein sites

Julian Echave, Stephanie J. Spielman, Claus O. Wilke

Research output: Contribution to journalReview articlepeer-review

148 Scopus citations

Abstract

It has long been recognized that certain sites within a protein, such as sites in the protein core or catalytic residues in enzymes, are evolutionarily more conserved than other sites. However, our understanding of rate variation among sites remains surprisingly limited. Recent progress to address this includes the development of a wide array of reliable methods to estimate site-specific substitution rates from sequence alignments. In addition, several molecular traits have been identified that correlate with site-specific mutation rates, and novel mechanistic biophysical models have been proposed to explain the observed correlations. Nonetheless, current models explain, at best, approximately 60% of the observed variance, highlighting the limitations of current methods and models and the need for new research directions.

Original languageEnglish (US)
Pages (from-to)109-121
Number of pages13
JournalNature Reviews Genetics
Volume17
Issue number2
DOIs
StatePublished - Feb 1 2016
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Genetics
  • Genetics(clinical)

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