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Project information
Evolution of substrate specificity in enzymes acting on xenobiotic compounds

Information

This project doesn't include Institute of Computer Science. It includes Faculty of Science. Official project website can be found on muni.cz.
Project Identification
IAA401630901
Project Period
1/2009 - 12/2013
Investor / Pogramme / Project type
Academy of Sciences of the Czech Republic
  • Grants of distinctly investigative character focused on the sphere of research pursued at present particularly in the ASCR
MU Faculty or unit
Faculty of Science
Keywords
evolution; enzymes; dehalogenation; multivariate statistics; substrate specificity; molecular modelling; virtual screening; QSAR and 3D QSAR

The main objective of this project is to study evolution of substrate specificity in microbial enzymes acting on xenobiotic compounds. Selected model system, haloalkane dehalogenases, is suitable for this purpose since these enzymes act on recalcitrant compounds which have not been available in the biosphere until industrial revolution. Evolution will be studied recursively by quantitative characterization of the substrate specificity of modern haloalkane dehalogenases and their comparison with ancestral enzymes designed by phylogenetic inference and constructed by gene synthesis. The ultimate goal will be estimation of the level of functional overlap of individual protein subfamilies and dissecting molecular events leading to specialization of enzymes for efficient catalysis of their xenobiotic substrates. Various theoretical and experimental approaches will be employed to obtain appropriate biological material and collect data for testing of alternative evolutionary hypotheses.

Publications

Total number of publications: 67

2013

2012

2011

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