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APS » Phys. Rev. E » Volume 73 » Issue 2

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Phys. Rev. E 73, 020901(R) (2006) [4 pages]

Substrate specificity of peptide adsorption: A model study

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Michael Bachmann and Wolfhard Janke
Institut für Theoretische Physik, Universität Leipzig, Augustusplatz 10/11, D-04109 Leipzig, Germany

Rapid

Received 19 August 2005; published 17 February 2006

Applyingthe contact density chain-growth algorithm to lattice heteropolymers, we identifythe conformational transitions of a nongrafted hydrophobic-polar heteropolymer with 103residues in the vicinity of a polar, a hydrophobic, anda uniformly attractive substrate. Introducing only two system parameters, thenumbers of surface contacts and intrinsic hydrophobic contacts, respectively, weobtain surprisingly complex temperature and solvent dependent, substrate-specific pseudophase diagrams.

©2006 The American Physical Society

URL:	http://link.aps.org/doi/10.1103/PhysRevE.73.020901
DOI:	10.1103/PhysRevE.73.020901
PACS:	87.15.Aa; 05.10.-a; 87.15.Cc 87.15.Aa Theory and modeling in molecular biophysics; computer simulation 05.10.-a Computational methods in statistical physics and nonlinear dynamics 87.15.Cc Folding and sequence analysis of biomolecules YEAR: 2006
KEYWORDS:	polymers, molecular biophysics, adsorption

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