Abstract
Lanthipeptides are ribosomally synthesized and posttranslationally modified peptides produced by microorganisms. The name lanthipeptide is derived from lanthionine, a thioether–bridged amino acid installed by dedicated modification enzymes. Serines and threonines are dehydrated and subsequently coupled to cysteines, thus forming intramolecular lanthionine rings. A well–known subclass of lanthipeptides are lantibiotics: lanthipeptides with antimicrobial activity. The lantibiotic nisin is applied worldwide in the food industry to prevent food spoilage. This review focuses on lanthipeptide leader peptides, which have a crucial and central role in lanthipeptide biosynthesis. Lanthipeptide leader peptides are present at the N–terminus within precursor lanthipeptides. Intriguingly, a single leader peptide can interact with highly different modifying enzyme(s) (domains) and furthermore induce export out of the cell via a dedicated export protein. Eventually the leader peptide is cleaved off by a leader peptidase, either extracellularly or intracellularly as part of the transporter. Recent exciting mechanistic and engineering studies ignited the unraveling of the fascinating interactions of lanthipeptide leader peptides with the lanthipeptide modification enzymes and transporters. The biosynthesis of at least some lanthipeptides is performed by a highly flexible enzyme system. Novel lantibiotics can be synthesized by fusing lanthipeptide leader peptides to completely different silent lantibiotics obtained by genome mining. Moreover, the fusion of leader peptides to the N–terminus of medically and economically important therapeutic peptides has resulted in lanthioninestabilized therapeutics with enhanced bioavailability and optimized receptor interaction.
Keywords: Lanthipeptide, lanthionine, lantibiotic, leader, nisin, dehydratase, cyclase
Current Protein & Peptide Science
Title:Mechanistic Aspects of Lanthipeptide Leaders
Volume: 14 Issue: 2
Author(s): Annechien Plat, Anneke Kuipers, Rick Rink and Gert N. Moll
Affiliation:
Keywords: Lanthipeptide, lanthionine, lantibiotic, leader, nisin, dehydratase, cyclase
Abstract: Lanthipeptides are ribosomally synthesized and posttranslationally modified peptides produced by microorganisms. The name lanthipeptide is derived from lanthionine, a thioether–bridged amino acid installed by dedicated modification enzymes. Serines and threonines are dehydrated and subsequently coupled to cysteines, thus forming intramolecular lanthionine rings. A well–known subclass of lanthipeptides are lantibiotics: lanthipeptides with antimicrobial activity. The lantibiotic nisin is applied worldwide in the food industry to prevent food spoilage. This review focuses on lanthipeptide leader peptides, which have a crucial and central role in lanthipeptide biosynthesis. Lanthipeptide leader peptides are present at the N–terminus within precursor lanthipeptides. Intriguingly, a single leader peptide can interact with highly different modifying enzyme(s) (domains) and furthermore induce export out of the cell via a dedicated export protein. Eventually the leader peptide is cleaved off by a leader peptidase, either extracellularly or intracellularly as part of the transporter. Recent exciting mechanistic and engineering studies ignited the unraveling of the fascinating interactions of lanthipeptide leader peptides with the lanthipeptide modification enzymes and transporters. The biosynthesis of at least some lanthipeptides is performed by a highly flexible enzyme system. Novel lantibiotics can be synthesized by fusing lanthipeptide leader peptides to completely different silent lantibiotics obtained by genome mining. Moreover, the fusion of leader peptides to the N–terminus of medically and economically important therapeutic peptides has resulted in lanthioninestabilized therapeutics with enhanced bioavailability and optimized receptor interaction.
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Cite this article as:
Plat Annechien, Kuipers Anneke, Rink Rick and N. Moll Gert, Mechanistic Aspects of Lanthipeptide Leaders, Current Protein & Peptide Science 2013; 14 (2) . https://dx.doi.org/10.2174/1389203711314020001
DOI https://dx.doi.org/10.2174/1389203711314020001 |
Print ISSN 1389-2037 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5550 |
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