Steric Constraints in Model Proteins
- 22 June 1998
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 80 (25) , 5683-5686
- https://doi.org/10.1103/physrevlett.80.5683
Abstract
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 encodable conformations that are the unique ground state of one or more sequences. Furthermore, several of the encodable structures are highly designable and are the nondegenerate 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.Keywords
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