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Prenylated FMN: Biosynthesis, purification, and Fdc1 activation
Anna N Khusnutdinova1, Johnny Xiao1, Po-Hsiang Wang1
1Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON, Canada.
Methods in Enzymology
|May 11, 2019
Summary
This study details methods for producing prenylated flavin mononucleotide (prFMN), a vital cofactor for UbiD enzymes. These protocols enable the biochemical study and biotechnological application of prFMN-dependent systems.
Area of Science:
- Biochemistry
- Enzymology
- Synthetic Biology
Background:
- Prenylated flavin mononucleotide (prFMN) is a novel cofactor synthesized by UbiX enzymes.
- prFMN is essential for UbiD-like decarboxylases involved in ubiquinone biosynthesis and biotransformation.
- Limited understanding of prFMN biochemistry impedes biotechnological use of UbiD proteins.
Purpose of the Study:
- To establish protocols for prFMN biosynthesis.
- To outline methods for prFMN extraction and purification.
- To facilitate the activation and study of UbiD proteins using prFMN.
Main Methods:
- In vivo and in vitro biosynthesis of prFMN.
- Cofactor extraction and purification techniques.
- Application of prFMN for UbiD protein activation assays.
Main Results:
- Demonstrated reliable methods for prFMN production.
- Provided a framework for cofactor isolation and use.
- Enabled activation of previously uncharacterized UbiD proteins.
Conclusions:
- Developed practical protocols for prFMN synthesis and application.
- Overcame a key bottleneck in studying prFMN-dependent enzymes.
- Opens avenues for exploring UbiD proteins in biotechnology and biocatalysis.
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