Design to Data for mutants of β-glucosidase B from Paenibacillus polymyxa: V311D, F248N, Y166H, Y166K, M221K
Chan, M. Y.; Siegel, J. B.; Vater, A.
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Engaging computational tools for protein design is gaining traction in the enzyme engineering community. However, current design and modeling algorithms have limited functionality predictive capacities for enzymes due to limitations of the dataset in terms of size and data quality. This study aims to expand training datasets for improved algorithm development with the addition of five rationally designed single-point enzyme variants. {beta}-glucosidase B variants were modeled in Foldit Standalone and then produced and assayed for thermal stability and kinetic parameters. Functional parameters: thermal stability (TM) and Michaelis-Menten constants (kcat, KM, and kcat/KM) of five variants, V311D, Y166H, M221K, F248N, and Y166K, were added into the Design2Data database. As a case study, evaluation of this small mutant set finds mutational effect trends that both corroborate and contradict findings from larger studies examining the entire dataset.
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