When injected intracranially into 9-day-old mice, causes transient symptoms, including extension of the body and clockwise and counter-clockwise turns, that last 3 to 4 minutes. When injected intracranially into 16-day-old mice, causes transient symptoms, including agitated breathing and occasional turning followed by scratching and grooming behavior, that last for 15-19 minutes. Expressed by the venom duct. The cysteine framework is V (CC-CC). Belongs to the conotoxin T superfamily.