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Protein crystals and charged surfaces: interactions and heterogeneous nucleation

Sear, RP (2003) Protein crystals and charged surfaces: interactions and heterogeneous nucleation Physical Review E, 67.

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Abstract

As proteins typically have charges of around 10, they will interact strongly with charged surfaces. We calculate the electrostatic contribution to the interaction of crystals of protein with charged surfaces. The surfaces repel like-charged crystals and attract oppositely-charged crystals, with free energies which can be easily several kT per protein molecule brought into contact with the surface. This means that oppositely charged surfaces can act as a nucleant, they can induce nucleation of a protein crystal by lowering the free energy barrier to heterogeneous nucleation of the crystal from a dilute solution.

Item Type: Article
Authors :
NameEmailORCID
Sear, RPr.sear@surrey.ac.ukUNSPECIFIED
Date : 16 April 2003
Identification Number : 10.1103/PhysRevE.67.061907
Uncontrolled Keywords : cond-mat.soft, cond-mat.soft, q-bio.BM
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:28
Last Modified : 17 May 2017 14:56
URI: http://epubs.surrey.ac.uk/id/eprint/831460

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