CgNa, a type I toxin from the giant Caribbean sea anemone Condylactis gigantea shows structural similarities to both type I and II toxins, as well as distinctive structural and functional properties - Salceda, E.; Pérez-Castells, J.; López-Méndez, B.; Garateix, A.; Salazar, H.; López, O.; Aneiros, A.; Ständker, L.; Béress, L.; Forssmann, W.; Soto, E.; Jiménez-Barbero, J.; et al. (Biochemical Journal, 2007)