Inhibits voltage-gated calcium channels (Cav) in rat cerebellar granule cells (By similarity). Has insecticidal activity (By similarity). Expressed by the venom gland. The primary structure of the mature peptide is identical to that of venom protein 1 from Brachypelma smithi (AC P0DL80). Belongs to the neurotoxin 12 (Hwtx-2) family. 06 (TXP1) subfamily.