期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 14, 期 23, 页码 6948-6956出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200800593
关键词
biosynthesis; conformation analysis; enzyme inhibitors; natural products; structure elucidation
资金
- Ministry of Education and Science of Spain [AGI-2005-07924-CO4-01]
- EU [VAL-BIOMAR]
Belizeanic acid (BA), a novel metabolite belonging to the okadaic acid class of protein phosphatase inhibitors. was isolated from artificial cultures of the dinoflagellate Prorocentrum belizeanum. The structure and conformational behaviour of BA was elucidated by a combination of NMR spectroscopy and conformational analysis. The isolation of this metabolite, which possesses a simplified version of the okadaic acid skeleton, supports the biogenetic pathway previously reported for this class of compounds. BA showed potent inhibitory activity against protein phosphatase 1 (PP1) within the nM range. A plausible model for the interaction of BA with the PP1 binding pocket was derived from computational docking studies.
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