Exploration of Enzyme Diversity by Integrating Bioinformatics with Expression Analysis and Biochemical Characterization

Autor: Zbynek Prokop, Petra Babková, Pavel Vanacek, Jan Brezovsky, Jiri Damborsky, Veronika Stepankova, Lukas Daniel, Eva Sebestova, Pavel Dvorak, Radka Chaloupková, Šárka Bidmanová
Rok vydání: 2018
Předmět:
Zdroj: ACS Catalysis
ISSN: 2155-5435
DOI: 10.1021/acscatal.7b03523
Popis: Millions of protein sequences are being discovered at an incredible pace, representing an inexhaustible source of biocatalysts. Here, we describe an integrated system for automated in silico screening and systematic characterization of diverse family members. The workflow consists of (i) identification and computational characterization of relevant genes by sequence/structural bioinformatics, (ii) expression analysis and activity screening of selected proteins, and (iii) complete biochemical/biophysical characterization and was validated against the haloalkane dehalogenase family. The sequence-based search identified 658 potential dehalogenases. The subsequent structural bioinformatics prioritized and selected 20 candidates for exploration of protein functional diversity. Out of these 20, the expression analysis and the robotic screening of enzymatic activity provided 8 soluble proteins with dehalogenase activity. The enzymes discovered originated from genetically unrelated Bacteria, Eukaryota, and also A...
Databáze: OpenAIRE