Journal
CHEMISTRY OF NATURAL COMPOUNDS
Volume 47, Issue 5, Pages 786-788Publisher
SPRINGER
DOI: 10.1007/s10600-011-0059-2
Keywords
heptapeptide; unguisin E; Aspergillus sp AF119
Categories
Funding
- Chinese Ministry of Education [306010]
- 973 Program [2010CB833802]
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A new cyclic heptapeptide containing gamma-aminobutyric acid in the ring, namely unguisin E (1), was isolated from the fermentation culture of Aspergillus sp. AF119. The structure was elucidated by spectroscopic analyses, including 1D and 2D NMR experiments, and HR ESI-Q-TOF mass spectrometry, and by comparison with those reported. Compound 1 was evaluated for its antimicrobial activities by the paper diffusion method.
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