mushroom poisoning
amanitin cytotoxin
cyclic peptide toxins
bicyclic octapeptides
RNA polymerase II inhibitor
https://www.sciencedirect.com/topics/nursing-and-health-professions/amanitin
interesting how poisonous mushrooms & snake venom use peptides.
Virucidal activity of a scorpion venom peptide variant mucroporin-M1 against measles, SARS-CoV and influenza H5N1 viruses.