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How simple can a model of an empty viral capsid be? Charge distributions in viral capsids (CROSBI ID 187208)

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Lošdorfer Božič, Anže ; Šiber, Antonio ; Podgornik, Rudi How simple can a model of an empty viral capsid be? Charge distributions in viral capsids // Journal of biological physics, 38 (2012), 4; 657-671. doi: 10.1007/s10867-012-9278-4

Podaci o odgovornosti

Lošdorfer Božič, Anže ; Šiber, Antonio ; Podgornik, Rudi

engleski

How simple can a model of an empty viral capsid be? Charge distributions in viral capsids

We investigate and quantify salient features of the charge distributions on viral capsids. Our analysis combines the experimentally determined capsid geometry with simple models for ionization of amino acids, thus yielding a detailed description of spatial distribution for positive and negative charges across the capsid wall. The obtained data is processed in order to extract the mean radii of distributions, surface charge densities, as well as dipole moment densities. The results are evaluated and examined in light of previously proposed models of capsid charge distributions, which are shown to have to some extent limited value when applied to real viruses.

virus; charge; electrostatics; capsid; protein

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Podaci o izdanju

38 (4)

2012.

657-671

objavljeno

0092-0606

10.1007/s10867-012-9278-4

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Fizika

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