A new cyclic peptide from the marine fungal strain Aspergillus sp. AF119
作者： Shaosong Liu , Yuemao Shen
DOI: 10.1007/S10600-011-0059-2
关键词: Cyclic peptide 、 Antimicrobial 、 Fungal strain 、 Two-dimensional nuclear magnetic resonance spectroscopy 、 Aspergillus 、 Stereochemistry 、 Chemistry 、 Fermentation 、 Microbiology 、 Mass spectrometry
摘要: A new cyclic heptapeptide containing γ-aminobutyric acid in the ring, namely unguisin E (1), was isolated from fermentation culture of Aspergillus sp. AF119. The structure elucidated by spectroscopic analyses, including 1D and 2D NMR experiments, HR ESI-Q-TOF mass spectrometry, comparison with those reported. Compound 1 evaluated for its antimicrobial activities paper diffusion method.
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