Molecular recognition in a lattice model: An enumeration study

Details Molecular recognition in a lattice model: An enumeration study Molecular recognition in a lattice model: An enumeration study

2005-01-05

arxiv.org/abs/physics/0501016v2

Phys. Rev. Lett. 93, 268108 (2004)

Physics

Biological Physics

revised version with additional plots

Scientific paper

10.1103/PhysRevLett.93.268108

We investigate the mechanisms underlying selective molecular recognition of single heteropolymers at chemically structured planar surfaces. To this end, we study systems with two-letter (HP) lattice heteropolymers by exact enumeration techniques. Selectivity for a particular surface is defined by an adsorption energy criterium. We analyze the distributions of selective sequences and the role of mutations. A particularly important factor for molecular recognition is the small-scale structure on the polymers.

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