Article
A Cyclohexapeptide and Its Rare Glycosides from Marine Sponge-Derived Streptomyces sp. OUCMDZ-4539
8 Sept 2022
Abstract excerpt
Pyridapeptide A ( 1 ), a cyclohexapeptide containing hexahydropyridazine-3-carboxylic acid (HPDA), 5-hydroxytetrahydropyridazine-3-carboxylic acid (γ-OH-TPDA), and (2 S,3 R,4 E,6 E )-2-amino-3-hydroxy-8-methylnona-4,6-dienoic acid residues, and its four glycopeptides, pyridapeptides B–E ( 2–5, respectively), were isolated from the fermentation broth of the marine sponge-derived Streptomyces sp. OUCMDZ-4539. Their...
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