Abstract
Crotamine is a basic polypeptide found in the venom of Crotalus durissus terrificus. Crotamine is of great biotechnological interest since it is classified as a cell penetrating peptide (CPP), this feature is directed mainly to cells in proliferation, what proposes that tumour cells could be a target of it. Recently it was addressed in the literature, a new activity of crotamine in the st…