Sea anemone cytotoxic protein

In molecular biology, the sea anemone cytotoxic proteins are lethal pore-forming proteins, known collectively as actinoporins, a sub-class of cytolysins. There are several different groups of cytolysins based on their structure and function. This entry represents the most numerous group, the 20kDa highly basic peptides. These cytolysins form cation-selective pores in sphingomyelin-containing membranes. Examples include equinatoxins, sticholysins, magnificalysins, and tenebrosins, which exhibit pore-forming, haemolytic, cytotoxic, and heart stimulatory activities.

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