Penazetidine A, an alkaloid inhibitor of protein kinase C

Penazetidine A, an alkaloid inhibitor of protein kinase C Penaresidin A and B, two novel azetidine alkaloids with potent actomyosin ATPase-activating activity from the Okinawan marine sponge Penares sp. Penaresidin A and B, two novel azetidine alkaloids with potent actomyosin ATPase-activating activity from the Okinawan marine sponge Penares sp. Penasulfate A, a New α-Glucosidase Inhibitor from a Marine Sponge<i> Penares </i>sp. New Pyridinium Alkaloids from a Marine Sponge of the GenusSpongiawith a Human Phospholipase A₂Inhibitor Profile New Pyridinium Alkaloids from a Marine Sponge of the Genus<i>Spongia</i>with a Human Phospholipase A₂Inhibitor Profile Penaresin, a New Sarcoplasmic Reticulum Ca-Inducer from the Okinawan Marine Sponge Penares Sp. Penasins A−E, Long-Chain Cytotoxic Sphingoid Bases, from a Marine Sponge <i>Penares</i> sp Penasins A−E, Long-Chain Cytotoxic Sphingoid Bases, from a Marine Sponge <i>Penares</i> sp Penerpenes A–D, Four Indole Terpenoids with Potent Protein Tyrosine Phosphatase Inhibitory Activity from the Marine-Derived Fungus <i>Penicillium</i> sp. KFD28