FireProt 2.0: web-based platform for the fully automated design of thermostable proteins

Author:

Musil Milos12345,Jezik Andrej34,Horackova Jana12,Borko Simeon12345,Kabourek Petr125,Damborsky Jiri125ORCID,Bednar David125ORCID

Affiliation:

1. Loschmidt Laboratories , Department of Experimental Biology and RECETOX, , Brno , Czech Republic

2. Masaryk University , Department of Experimental Biology and RECETOX, , Brno , Czech Republic

3. Department of Information Systems , Faculty of Information Technology, , Brno , Czech Republic

4. Brno University of Technology , Faculty of Information Technology, , Brno , Czech Republic

5. International Clinical Research Centre, St. Anne’s University Hospital Brno , Brno , Czech Republic

Abstract

Abstract Thermostable proteins find their use in numerous biomedical and biotechnological applications. However, the computational design of stable proteins often results in single-point mutations with a limited effect on protein stability. However, the construction of stable multiple-point mutants can prove difficult due to the possibility of antagonistic effects between individual mutations. FireProt protocol enables the automated computational design of highly stable multiple-point mutants. FireProt 2.0 builds on top of the previously published FireProt web, retaining the original functionality and expanding it with several new stabilization strategies. FireProt 2.0 integrates the AlphaFold database and the homology modeling for structure prediction, enabling calculations starting from a sequence. Multiple-point designs are constructed using the Bron–Kerbosch algorithm minimizing the antagonistic effect between the individual mutations. Users can newly limit the FireProt calculation to a set of user-defined mutations, run a saturation mutagenesis of the whole protein or select rigidifying mutations based on B-factors. Evolution-based back-to-consensus strategy is complemented by ancestral sequence reconstruction. FireProt 2.0 is significantly faster and a reworked graphical user interface broadens the tool’s availability even to users with older hardware. FireProt 2.0 is freely available at http://loschmidt.chemi.muni.cz/fireprotweb.

Funder

Czech Ministry of Education

Technology Agency of the Czech Republic

European Union

Brno University of Technology

National Institute for Neurology Research

Publisher

Oxford University Press (OUP)

Subject

Molecular Biology,Information Systems

Reference107 articles.

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