Freezing and folding behavior in simple off-lattice heteropolymers

Details Freezing and folding behavior in simple off-lattice heteropolymers Freezing and folding behavior in simple off-lattice heteropolymers

2004-01-16

arxiv.org/abs/cond-mat/0401291v1

Physics

Condensed Matter

Soft Condensed Matter

14 pages, 7 figures, submitted to J. Chem. Phys

Scientific paper

10.1063/1.1740750

We have performed parallel tempering Monte Carlo simulations using a simple continuum heteropolymer model for proteins. All ten heteropolymer sequences which we have studied have shown first-order transitions at low temperature to ordered states dominated by single chain conformations. These results are in contrast with the theoretical predictions of the random energy model for heteropolymers, from which we would expect continuous transitions to glassy behavior at low temperatures.

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