The underappreciated role of allostery in the cellular network.

The underappreciated role of allostery in the cellular network.
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DOI:
10.1146/annurev-biophys-083012-130257
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发表时间:
2013
影响因子:
12.4
通讯作者:
Ma B
Ma B
中科院分区:
生物学1区
文献类型:
--
作者:
Nussinov R;Tsai CJ;Ma B

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Allosteric propagation results in communication between distinct sites in the protein structure; it also encodes specific effects on cellular pathways, and in this way it shapes cellular response. One example of long-range effects is binding of morphogens to cell-surface receptors, which initiates a cascade of protein interactions that leads to genome activation and specific cellular action. Allosteric propagation results from combinations of multiple factors; takes place through dynamic shifts of conformational ensembles; and affects the equilibria of macromolecular interactions. Here, we emphasize the well-known, yet still underappreciated role of allostery in conveying explicit signals across large multimolecular assemblies and distances to specify cellular action; the need for quantitation of the allosteric effects; and finally, we propose that each specific combination of allosteric effectors along the pathway spells a distinct function. The challenges are colossal; the inspiring reward will be predicting function, misfunction, and outcomes of drug regimes.
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