Abstract
Heterocycle-containing cyclic peptides are promising scaffolds for the pharmaceutical industry but their chemical synthesis is very challenging. A new universal method has been devised to prepare these compounds by using a set of engineered marine-derived enzymes and substrates obtained from a family of ribosomally produced and post-translationally modified peptides called the cyanobactins. The substrate precursor peptide is engineered to have a non-native protease cleavage site that can be rapidly cleaved. The other enzymes used are heterocyclases that convert Cys or Cys/Ser/Thr into their corresponding azolines. A macrocycle is formed using a macrocyclase enzyme, followed by oxidation of the azolines to azoles with a specific oxidase. The work is exemplified by the production of 17 macrocycles containing 6-9 residues representing 11 out of the 20 canonical amino acids.
Original language | English |
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Pages (from-to) | 14171-14174 |
Number of pages | 4 |
Journal | Angewandte Chemie International Edition |
Volume | 53 |
Issue number | 51 |
Early online date | 21 Oct 2014 |
DOIs | |
Publication status | Published - 15 Dec 2014 |
Keywords
- cyanobactins
- cyclic peptides
- biosynthesis
- patellamides
- ribosomal peptides
- discovery
- macrocyclization
- route
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Marcel Jaspars
- Engineering, National Decommissioning Centre
- School of Natural & Computing Sciences, Chemistry - Chair in Chemistry
Person: Academic