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Structure and stability of chiral beta-tapes: a computational coarse-grained approach | | G. Bellesia
; M.V. Fedorov
; Yu.A. Kuznetsov
; E.G. Timoshenko
; | | Date: |
12 Dec 2004 | | Subject: | Soft Condensed Matter; Statistical Mechanics; Biomolecules | cond-mat.soft cond-mat.stat-mech q-bio.BM | | Abstract: | We present two coarse-grained models of different levels of detail for the description of beta-sheet tapes obtained from equilibrium self-assembly of short rationally designed oligopeptides in solution. Here we only consider the case of the homopolymer oligopeptides with the identical sidegroups attached, in which the tapes have a helicoid surface with two equivalent sides. The influence of the chirality parameter on the geometrical characteristics, namely the diameter, inter-strand distance and pitch, of the tapes have been investigated. The two models are found to produceequivalent results suggesting a considerable degree of universality in conformations of the tapes. | | Source: | arXiv, cond-mat/0501285 | | Services: | Forum | Review | PDF | Favorites | |
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