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- W2004980415 abstract "Nature possesses a secret formula for the energy as a function of the structure of a protein. In protein design, approximations are made to both the structural representation of the molecule and to the form of the energy equation, such that the existence of a general energy function for proteins is by no means guaranteed. Here we present new insights towards the application of machine learning to the problem of finding a general energy function for protein design. Machine learning requires the definition of an objective function, which carries with it the implied definition of success in protein design. We explored four functions, consisting of two functional forms, each with two criteria for success. Optimization was carried out by a Monte Carlo search through the space of all variable parameters. Cross-validation of the optimized energy function against a test set gave significantly different results depending on the choice of objective function, pointing to relative correctness of the built-in assumptions. Novel energy cross-terms correct for the observed non-additivity of energy terms and an imbalance in the distribution of predicted amino acids." @default.
- W2004980415 created "2016-06-24" @default.
- W2004980415 creator A5027003060 @default.
- W2004980415 creator A5033041179 @default.
- W2004980415 date "2012-10-07" @default.
- W2004980415 modified "2023-09-23" @default.
- W2004980415 title "Exploring objective functions and cross-terms in the optimization of an energy function for protein design" @default.
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- W2004980415 doi "https://doi.org/10.1145/2382936.2382956" @default.
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