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Abstract Few Optimal Foldings of HP Protein Chains on Various Lattices ∗

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Abstract

We consider whether or not protein chains in the HP model have unique or few optimal foldings. We solve the conjecture proposed by Aichholzer et al. that the open chain L2k−1 = (HP) k (P H) k−1 for k ≥ 3 has exactly two optimal foldings on the square lattice. We show that some closed and open chains have unique optimal foldings on the hexagonal and triangular lattices, respectively.

Year: 2009
OAI identifier: oai:CiteSeerX.psu:10.1.1.135.5765
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