Inhibits with low potency Kv1.1/KCNA1, Kv1.2/KCNA2, Kv1.3/KCNA3 and Kv11.1/KCNH2/ERG1 voltage-gated potassium channels(PubMed:29483648). Expressed by the venom gland. Has the structural arrangement of an alpha-helix connected to antiparallel beta-sheets by disulfide bonds (CS-alpha/beta). Belongs to the short scorpion toxin superfamily. Potassium channel inhibitor family. Alpha-KTx 04 subfamily.