Abstract
We review the idea that allosteric interactions can be transmitted not by structural switching but by the more subtle route of modulation of the amplitude of thermally-activated global dynamical modes in allosteric proteins. The effect is naturally addressed and explored through coarse-grained models of protein dynamics, but can be linked to atomistic models of substrate binding at the fine scale, and to themodynamic free energies at the macroscopic scale. A remarkable specificity at the residue level emerges: allosteric proteins possess a set of ‘control sites’ whose modification by single-point mutation may alter allosteric free-energies non-perturbatively.
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Townsend, P.D., Rodgers, T.L., Pohl, E., Wilson, M.R., Cann, M.J., McLeish, T.C.B. (2015). Multi-scale Approaches to Dynamical Transmission of Protein Allostery. In: Olivares-Quiroz, L., Guzmán-López, O., Jardón-Valadez, H. (eds) Physical Biology of Proteins and Peptides. Springer, Cham. https://doi.org/10.1007/978-3-319-21687-4_8
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DOI: https://doi.org/10.1007/978-3-319-21687-4_8
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