Modeling genome-wide enzyme evolution predicts strong epistasis underlying catalytic turnover rates
The catalytic efficiency of many enzymes is lower than the theoretical maximum. Here, the authors combine genome-scale metabolic modeling with population genetics models to simulate enzyme evolution, and find that strong epistasis limits turnover numbers due to diminishing returns of fitness gains.
Main Authors: | David Heckmann, Daniel C. Zielinski, Bernhard O. Palsson |
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Format: | Article |
Language: | English |
Published: |
Nature Publishing Group
2018-12-01
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Series: | Nature Communications |
Online Access: | https://doi.org/10.1038/s41467-018-07649-1 |
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