Compensatory mutations and epistasis for protein function.
Compensatory mutations and epistasis for protein function.
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DOI:
10.1016/j.sbi.2017.10.009
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发表时间:
2018-06
影响因子:
6.8
通讯作者:
Storz JF
中科院分区:
文献类型:
--
作者:
Storz JF
Adaptive protein evolution may be facilitated by neutral amino acid mutations that confer no benefit when they first arise but which potentiate subsequent function-altering mutations via direct or indirect structural mechanisms. Theoretical and empirical results indicate that such compensatory interactions (intramolecular epistasis) can exert a strong influence on trajectories of protein evolution. For this reason, assessing the form and prevalence of intramolecular epistasis and characterizing biophysical mechanisms of compensatory interaction are important research goals at the nexus of structural biology and molecular evolution. Here I review recent insights derived from protein-engineering studies, and I describe an approach for identifying and characterizing mechanisms of epistasis that integrates experimental data on structure-function relationships with analyses of comparative sequence data.
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影响因子:
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DOI:
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发表时间:
2010-06-04
期刊:
Science (New York, N.Y.)
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