NMR solution structure of engineered Protoxin-II analog - Flinspach, M.; Xu, Q.; Piekarz, A. D.; Fellows, R.; Hagan, R.; Gibbs, A.; Liu, Y.; Neff, R. A.; Freedman, J.; Eckert, W. A.; Zhou, M.; Bonesteel, R.; et al. (Biological Magnetic Resonance Bank, 2017)