Journal
BIOPHYSICAL JOURNAL
Volume 120, Issue 20, Pages 4320-4324Publisher
CELL PRESS
DOI: 10.1016/j.bpj.2021.08.042
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Funding
- Consejo Nacional de Investigaciones Cientf-icas y Te?cnicas [PIP 112 201501 00385 CO]
- Agencia Nacional de Promocion Cientfica y Tecnologica [PICT-2016-4209]
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In monomeric enzymes, the range of evolutionary coupling varies widely due to different functional selection pressures. Furthermore, the evolutionary coupling range does not necessarily correspond to the short-range physical coupling present in all enzymes.
Recent studies proposed that enzyme-active sites induce evolutionary constraints at long distances. The physical origin of such long-range evolutionary coupling is unknown. Here, I use a recent biophysical model of evolution to study the relationship between physical and evolutionary couplings on a diverse data set of monomeric enzymes. I show that evolutionary coupling is not universally long-range. Rather, range varies widely among enzymes, from 2 to 20 A. Furthermore, the evolutionary coupling range of an enzyme does not inform on the underlying physical coupling, which is short range for all enzymes. Rather, evolutionary coupling range is determined by functional selection pressure.
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