Article
Alternative evolutionary histories in the sequence space of an ancient protein.
Nature - 21 Sept 2017
Starr Tyler N, Picton Lora K, Thornton Joseph W
Abstract excerpt
To understand why molecular evolution turned out as it did, we must characterize not only the path that evolution followed across the space of possible molecular sequences but also the many alternative trajectories that could have been taken but were not. A large-scale comparison of real and possible histories would establish whether the outcome of evolution represents an optimal state driven by natural selection...
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