Biosynthetic Strategies of Berberine Bridge Enzyme-like Flavoprotein Oxidases toward Structural Diversification in Natural Product Biosynthesis

Gwen Tjallinks, Andrea Mattevi, Marco W. Fraaije*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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Abstract

Berberine bridge enzyme-like oxidases are often involved in natural product biosynthesis and are seen as essential enzymes for the generation of intricate pharmacophores. These oxidases have the ability to transfer a hydride atom to the FAD cofactor, which enables complex substrate modifications and rearrangements including (intramolecular) cyclizations, carbon-carbon bond formations, and nucleophilic additions. Despite the diverse range of activities, the mechanistic details of these reactions often remain incompletely understood. In this Review, we delve into the complexity that BBE-like oxidases from bacteria, fungal, and plant origins exhibit by providing an overview of the shared catalytic features and emphasizing the different reactivities. We propose four generalized modes of action by which BBE-like oxidases enable the synthesis of natural products, ranging from the classic alcohol oxidation reactions to less common amine and amide oxidation reactions. Exploring the mechanisms utilized by nature to produce its vast array of natural products is a subject of considerable interest and can lead to the discovery of unique biochemical activities.

Original languageEnglish
JournalBiochemistry
DOIs
Publication statusE-pub ahead of print - 12-Aug-2024

Keywords

  • berberine bridge-like oxidase
  • enzyme mechanism
  • FAD-linked oxidase
  • flavoprotein
  • natural product biosynthesis
  • oxidoreductase
  • vanillyl-alcohol oxidase

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