Crotamine is a novel cell-penetrating protein from the venom of rattlesnake Crotalus durissus terrificus - Kerkis, Alexandre Y.; Kerkis, Irina E.; Rádis-Baptista, Gandhi; Oliveira, Eduardo Brandt de; Vianna-Morgante, Angela M; Pereira, Lygia da Veiga; Yamane, Tetsuo (FASEB Journal, 2004)