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Updated: Jun 18, 2026

The Application of Open Searching-based Approaches for the Identification of Acinetobacter baumannii O-linked Glycopeptides
Published on: November 2, 2021
Apoptolidins E and F, new glycosylated macrolactones isolated from Nocardiopsis sp
Paul A Wender1, Kate E Longcore
1Department of Chemistry and Department of Chemical and Systems Biology, Stanford University, Stanford, California 94305-5080, USA. wenderp@stanford.edu
Abstract:
Two new glycosylated macrolactones, apoptolidins E (5) and F (6), were isolated from fermentation of the actinomycete Nocardiopsis sp. and their structures assigned. Lacking the C16 and C20 oxygens of apoptolidin A (1), these macrolides are also the first members of this family to display a 4-O-methyl-l-rhamnose at C9 rather than a 6-deoxy-4-O-methyl-l-glucose.
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