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Generalized fundamental measure theory for atomistic modeling of macromolecular crowding.


ABSTRACT: Macromolecular crowding inside cells affects the thermodynamic and kinetic properties of proteins. The scaled particle theory (SPT) has played an important role toward establishing a qualitative picture for the effects of crowding. However, SPT-based modeling lacks molecular details. Molecular dynamics simulations overcome this limitation, but at great computational cost. Here, we present a theoretical method for modeling crowding at the atomic level. The method makes it possible to achieve exhaustive conformational sampling in modeling crowding effects and to tackle challenges posed by large protein oligomers and by complex mixtures of crowders.

SUBMITTER: Qin S 

PROVIDER: S-EPMC3537823 | biostudies-literature | 2010 Mar

REPOSITORIES: biostudies-literature

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Generalized fundamental measure theory for atomistic modeling of macromolecular crowding.

Qin Sanbo S   Zhou Huan-Xiang HX  

Physical review. E, Statistical, nonlinear, and soft matter physics 20100326 3 Pt 1


Macromolecular crowding inside cells affects the thermodynamic and kinetic properties of proteins. The scaled particle theory (SPT) has played an important role toward establishing a qualitative picture for the effects of crowding. However, SPT-based modeling lacks molecular details. Molecular dynamics simulations overcome this limitation, but at great computational cost. Here, we present a theoretical method for modeling crowding at the atomic level. The method makes it possible to achieve exha  ...[more]

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