Breathing of voltage dependent anion channel as revealed by the fractal property of its gating

Smarajit Manna, Jyotirmoy Banerjee and Subhendu Ghosh

Physica A: Statistical Mechanics and its Applications, 2007, vol. 386, issue 1, 573-580

Abstract: The gating of voltage dependent anion channel (VDAC) depends on the movement of voltage sensors in the transmembrane region, but the actual mechanism is still not well understood. With a view to understand the phenomenon we have analyzed the current recordings of VDAC in lipid bilayer membrane (BLM) and found that the data show self-similarity and fractal characteristics. We look for the microscopic and molecular basis of fractal behavior of gating of VDAC. A model describing the oscillatory dynamics of voltage sensors of VDAC in the transmembrane region under applied potential has been proposed which gives rise to the aforesaid fractal behavior.

Keywords: VDAC; Fractal; Voltage sensor; Bilayer electrophysiology; DFA (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:386:y:2007:i:1:p:573-580

DOI: 10.1016/j.physa.2007.06.049

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