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Keywords:

  • antibiotic;
  • biosynthesis;
  • epoxidation;
  • polyether ladders;
  • polyketide synthase
Thumbnail image of graphical abstract

Odd one out: Marine polyether ladders are probably the most well-known of all marine natural products, not only for their fascinating structures, but also for their characteristic toxicity. A very straightforward model for the biosynthesis of all known polyether ladders, including maitotoxin (the largest and most toxic of this structural family; see formula) is described, but is the structure of this giant molecule really known?