ArticleChembiochem : a European journal of chemical biology2023
Elucidation of the Bridging Pattern of the Lantibiotic Pseudomycoicidin.
Article in Chembiochem : a European journal of chemical biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 4 citations in OpenAlex.
- Elucidation of the Bridging Pattern of the Lantibiotic Pseudomycoicidin.Chembiochem : a European journal of chemical biology · 2023Article
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Lantibiotics are post-translationally modified antibiotic peptides with lanthionine thioether bridges that represent potential alternatives to conventional antibiotics. The lantibiotic pseudomycoicidin is produced by Bacillus pseudomycoides DSM 12442 and is effective against many Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus. While prior work demonstrated that pseudomycoicidin possesses one disulfide bridge and four thioether bridges, the ring topology has so far remained unclear. Here, we analyzed several pseudomycoicidin analogues that are affected in ring formation via MALDI-TOF-MS and tandem mass spectrometry with regard to their dehydration and fragmentation patterns, respectively. As a result, we propose a bridging pattern involving Thr8 and Cys13, Thr10 and Cys16, Ser18 and Cys21, and Ser20 and Cys26, thus, forming two double ring systems. Additionally, we localized the disulfide bridge to connect Cys3 and Cys7 and, therefore, fully elucidated the bridging pattern of pseudomycoicidin.
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