Plural of cardiotoxin, La Cardiotoxin III (CTX III, also known as cytotoxin 3 ) It is a toxin from the Taiwan Cobra (Naja naja atra ) that it is a sixty amino acid polypeptide.Recent evidence has shown that CTX III may induce apoptosis in K562 cells via the release of cytochrome c.1Esta protein belongs to the large family of toxins in Snake venoms