Article
Functional significance may underlie the taxonomic utility of single amino acid substitutions in conserved proteins.
Journal of molecular evolution - 1 Apr 2010
Tyler Kevin M, Wagner Gerd K, Wu Qiong, Huber Katharina T
Abstract excerpt
We hypothesized that some amino acid substitutions in conserved proteins that are strongly fixed by critical functional roles would show lineage-specific distributions. As an example of an archetypal conserved eukaryotic protein we considered the active site of beta-tubulin. Our analysis identified one amino acid substitution--beta-tubulin F224--which was highly lineage specific. Investigation of beta-tubulin for...
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