Power spectra and cooperativity of a calcium-regulated cation channel

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Abstract

In this article we show that a channel complex of cooperatively interacting subunits can produce a power law spectrum with the slope of the spectrum depending on the strength of the cooperative interaction. The effects of cooperativity are explored via a computational model of a calcium-regulated cation channel for which new data is presented. The results, which concern "flickering" conductances, are correlated with prior work on critical fluctuations in the Ising model of ferromagnetism. © 1994, The Biophysical Society. All rights reserved.

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McGeoch, M. W., & McGeoch, J. E. (1994). Power spectra and cooperativity of a calcium-regulated cation channel. Biophysical Journal, 66(1), 161–168. https://doi.org/10.1016/S0006-3495(94)80747-7

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