Article
Intense neutral drifts yield robust and evolvable consensus proteins.
Journal of molecular biology - 20 Jun 2008
Bershtein Shimon, Goldin Korina, Tawfik Dan S
Abstract excerpt
What changes occur when a natural protein that had been under low mutation rates is subjected to a neutral drift at high mutational loads, thus generating genetically diverse (polymorphic) gene ensembles that all maintain the protein's original function and structure? To address this question we subjected large populations of TEM-1 beta-lactamase to a prolonged neutral drift, applying high mutation rates and...
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