Journal
JOURNAL OF ANTIBIOTICS
Volume 64, Issue 6, Pages 453-457Publisher
JAPAN ANTIBIOTICS RESEARCH ASSOC
DOI: 10.1038/ja.2011.26
Keywords
1,4-benzoxazin-3-one; glycogen synthase kinase 3 beta; marine Streptomyces
Funding
- Boehringer-Ingelheim Pharma GmbH (Biberach, Germany)
- European Commission [LSHM-CT-2004-005224]
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Benzoxacystol, a new 1,4-benzoxazine-type metabolite, was produced by strain NTK 935, a marine member of the Streptomyces griseus 16S rRNA clade, isolated from deep-sea sediment collected from the Canary Basin. The structure of benzoxacystol was determined by mass spectrometry, NMR experiments and X-ray analysis. The compound showed an inhibitory activity against the enzyme glycogen synthase kinase 3 beta and a weak antiproliferative activity against mouse fibroblast cells. The Journal of Antibiotics (2011) 64, 453-457; doi:10.1038/ja.2011.26; published online 20 April 2011
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