Causes reversible depression symptom in mice when injected intracranially. Expressed by the venom duct. The cysteine framework is XVI (C-C-CC). Found in the dissected venom (DV). This toxin has no strong effect on the whole-cell currents of neurons and the currents of Drosophila Shaker channels, human BK channels (KCNM) and Nav1.7/SCN9A channels.