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. 1995 Oct 10;92(21):9657–9661. doi: 10.1073/pnas.92.21.9657

Protein evolution on partially correlated landscapes.

A S Perelson 1, C A Macken 1
PMCID: PMC40861  PMID: 7568192

Abstract

We extend an earlier model of protein evolution on a rugged landscape to the case in which the landscape exhibits a variable degree of correlation (i.e., smoothness). Correlation is introduced by assuming that a protein is composed of a set of independent blocks or domains and that mutation in one block affects the contribution of that block alone to the overall fitness of the protein. We study the statistical structure of such landscapes and apply our theory to the evolution by somatic hypermutation of antibody molecules composed of framework and complementarity-determining regions. We predict the expected number of replacement mutations in each region.

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Selected References

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