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Content archived on 2024-05-27

Computational Design of Highly Active Biocatalysts of Interest in the Chemical Industry

Objective

Developing new enzymes for catalyzing non natural reactions is a grand challenge for obtaining more efficient synthetic strategies for chemical industry as well as building complex molecules under enantioselective control with potential applications in medicine. Given the high specificity of natural enzymes for their substrates, new techniques are necessary for redesigning natural enzymes to perform novel reactions. Recently the group led by Prof. David Baker at University of Washington in Seattle (outgoing host) has made a breakthrough in the development of Computational Enzyme Design strategies to create new enzymes able to catalyze retro-aldol, Kemp elimination and Diels-Alder reactions. The methodology they have developed has proved to be a powerful tool for obtaining new activities with rate-enhancements up to 104 that allow further optimization with directed evolution techniques. The catalytic efficiency of designed enzymes, however, is much lower than that of natural enzymes and significant improvements are required to extend the applicability of these methods to any desired reaction. The first goal of the current project is to improve the current computational enzyme design methodology with a description of protein dynamics in order to achieve catalytic efficiencies closer to that of natural enzymes. As a second goal, we aim to use the improved Enzyme Design methodology to improve the activity of past designs and create new enzyme catalysts for the Bayliss-Hillman reaction. This is a carbon-carbon bond formation reaction that creates a new chiral center that allows to increase the complexity of molecules with potential applications in biomedicine. To complement the design process, QM/MM calculations will be performed to evaluate the reactivity of different designs and give insight into possible ways of improving the activity.

Call for proposal

FP7-PEOPLE-2011-IOF
See other projects for this call

Coordinator

FUNDACIO INSTITUT DE RECERCA BIOMEDICA (IRB BARCELONA)
EU contribution
€ 256 206,00
Address
CARRER BALDIRI REIXAC 10-12 PARC SCIENTIFIC DE BARCELONA
08028 Barcelona
Spain

See on map

Region
Este Cataluña Barcelona
Activity type
Research Organisations
Administrative Contact
Alexandre Puerto (Ms.)
Links
Total cost
No data