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  • Title: Palytoxin: a new marine toxin from a coelenterate.
    Author: Moore RE, Scheuer PJ.
    Journal: Science; 1971 Apr 30; 172(3982):495-8. PubMed ID: 4396320.
    Abstract:
    Palytoxin has been isolated from the zoanthids "limu-make-o-Hana" (Tentatively identified as Palythoa sp.) as a noncrystalline, chromatographically pure entity. Apart from polypeptide and protein toxins, it is the most highly toxic substance known, with a lethal dose (LD(59)) in mice of 0.15 microgram per kilogram by intravenous injection. Unlike the potent toxins batrachotoxin, saxitoxin, and tetrodotoxin which have molecular weights of 500 or less, palytoxin has an estimated molecular weight of 3300 and contains no repetitive amino acid or sugar units.
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