Acts as an agonist of neurotensin receptors. It binds to human neurotensin type 1 receptor (NTSR1), rat neurotensin types 1 and 2 receptors (NTSR1/NTSR2) and mouse neurotensin type 3 receptor (SORT1) (By similarity). Expressed by the venom duct. The cysteine framework is C-C. Belongs to the conotoxin C superfamily.