5TLR:
reference: Spider peptide toxin HwTx-IV engineered to bind to lipid membranes has an increased inhibitory potency at human voltage-gated sodium channel hNaV1.7., Agwa AJ, Lawrence N, Deplazes E, Cheneval O, Chen RM, Craik DJ, Schroeder CI, Henriques ST, Biochim Biophys Acta. 2017 Jan 20;1859(5):835-844. doi:, 10.1016/j.bbamem.2017.01.020. PMID: 28115115

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).