
arXiv: cond-mat/9712277
handle: 11577/123818 , 20.500.11767/13832
A simple lattice model for proteins that allows for distinct sizes of the amino acids is presented. The model is found to lead to a significant number of conformations that are the unique ground state of one or more sequences or encodable. Furthermore, several of the encodable structures are highly designable and are the non-degenerate ground state of several sequences. Even though the native state conformations are typically compact, not all compact conformations are encodable. The incorporation of the hydrophobic and polar nature of amino acids further enhances the attractive features of the model.
RevTex, 5 pages, 3 postscript figures
Quantitative Biology - Biomolecules, Statistical Mechanics (cond-mat.stat-mech), FOS: Biological sciences, Soft Condensed Matter (cond-mat.soft), FOS: Physical sciences, Biomolecules (q-bio.BM), Condensed Matter - Soft Condensed Matter, Condensed Matter - Statistical Mechanics
Quantitative Biology - Biomolecules, Statistical Mechanics (cond-mat.stat-mech), FOS: Biological sciences, Soft Condensed Matter (cond-mat.soft), FOS: Physical sciences, Biomolecules (q-bio.BM), Condensed Matter - Soft Condensed Matter, Condensed Matter - Statistical Mechanics
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