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Paper | Regular issue | Vol 31, No. 12, 1990, pp.2205-2208
Published online, 1st January, 1970
DOI: 10.3987/COM-90-5589
Penaresin, a New Sarcoplasmic Reticulum Ca-Inducer from the Okinawan Marine Sponge Penares Sp.

Jun’ichi Kobayashi,* Jie-fei Cheng, Shosuke Yamamura, Takuma Sasaki, and Yasushi Ohizumi

*Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido 060, Japan

Abstract

A new bromoindole alklaoid, penaresin, has been isolated from the Okinawan marine sponge Penares sp. as a powerful Ca-inducer in sarcoplasmic reticulum and its structure was assigned by the spectral data.