Continuum Electrostatics in Cell Biology
نویسندگان
چکیده
منابع مشابه
Continuum Electrostatics in Cell Biology
Recent experiments revealing possible nanoscale electrostatic interactions in force generation at kinetochores for chromosome motions have prompted speculation regarding possible models for interactions between positively charged molecules in kinetochores and negative charge on Ctermini near the plus ends of microtubules. A clear picture of how kinetochores establish and maintain a dynamic coup...
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Ideas from the macroscopic world have long been translated to the microscopic world of molecules. Examples include mechanics, fluid dynamics, and electrostatics. It is sometimes said that such applications often succeed better than have any right to, given the extrapolation of size scales. Classical electrostatics in particular provides intuitive insights that help us to reason about the proper...
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The structure and function of biological molecules are strongly influenced by the water and dissolved ions that surround them. This aqueous solution (solvent) exerts significant electrostatic forces in response to the biomolecule’s ubiquitous atomic charges and polar chemical groups. In this work, we investigate a simple approach to numerical calculation of this model using boundary-integral eq...
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Proteins change their charge state through protonation and redox reactions as well as through binding charged ligands. The free energy of these reactions is dominated by solvation and electrostatic energies and modulated by protein conformational relaxation in response to the ionization state changes. Although computational methods for calculating these interactions can provide very powerful to...
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Implicit solvent models based on the Poisson-Boltzmann (PB) equation are frequently used to describe the interactions of a biomolecule with its dielectric continuum environment. A novel, highly accurate Poisson-Boltzmann solver is developed based on the matched interface and boundary (MIB) method, which rigorously enforces the continuity conditions of both the electrostatic potential and its fl...
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ژورنال
عنوان ژورنال: NeuroQuantology
سال: 2010
ISSN: 1303-5150
DOI: 10.14704/nq.2010.8.3.299