This invention relates to an isolated nucleic acid fragment encoding scorpion toxins that are K-channel modifiers. The invention also relates to the construction of a chimeric gene encoding all or a substantial portion of the K-channel modifier, in sense or antisense orientation, wherein expression of...http://www.google.fr/patents/US6740743?utm_source=gb-gplus-shareBrevet US6740743 - Scorpian toxins
