4.7 Review

Natural product-based PROteolysis TArgeting Chimeras (PROTACs)

Journal

NATURAL PRODUCT REPORTS
Volume 39, Issue 12, Pages 2292-2307

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d2np00038e

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Funding

  1. Australian Research Council Linkage Project [LE120100170]
  2. Advanced Queensland Industry Research Fellowship
  3. Australian Research Council [LE120100170] Funding Source: Australian Research Council

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Natural products have the ability to recognize protein surfaces and have advantages in drug delivery. PROTACs, a novel protein degradation approach, have potential applications in the field of natural products. This review summarizes the chemical synthesis and challenges of natural product-based PROTACs, as well as methods for detecting their mechanism of action.
Covering: upto 2022 Natural products have an embedded recognition of protein surfaces. They possess this property as they are produced by biosynthetic enzymes and are substrates for one or more enzymes in the biosynthetic pathway. The inherent advantages, compared to synthetic compound libraries, is this ligand-protein binding which is, in many cases, a function of the 3-dimensional properties. Protein degradation is a recent novel therapeutic approach with several compounds now in the clinic. This review highlights the potential of PROteolysis TArgeting Chimeras (PROTACs) in the area of natural products. The approach will complement existing approaches such as the direct use of a bioactive natural product or its analogues, pharmacophore development and drug-antibody conjugates. The chemical synthesis and challenges of using natural product-based PROTACs are summarised. The review also highlights methods to detect the ternary complexes necessary for PROTAC mechanism of action.

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