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

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  • Manna, Smarajit
  • Banerjee, Jyotirmoy
  • Ghosh, Subhendu

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.

Suggested Citation

  • Manna, Smarajit & Banerjee, Jyotirmoy & Ghosh, Subhendu, 2007. "Breathing of voltage dependent anion channel as revealed by the fractal property of its gating," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 386(1), pages 573-580.
    • Handle: RePEc:eee:phsmap:v:386:y:2007:i:1:p:573-580
    DOI: 10.1016/j.physa.2007.06.049
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    References listed on IDEAS

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    1. Shigeomi Shimizu & Masashi Narita & Yoshihide Tsujimoto & Yoshihide Tsujimoto, 1999. "Bcl-2 family proteins regulate the release of apoptogenic cytochrome c by the mitochondrial channel VDAC," Nature, Nature, vol. 399(6735), pages 483-487, June.
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