High Yield Production and Refolding of the Double-Knot Toxin, an Activator of TRPV1 Channels Bae, Chanhyung ; Kalia, Jeet ; Song, Inhye ; Yu, JeongHeon ; Kim, Ha Hyung ; Swartz, Kenton J. ; Kim, Jae Il Abstract Publication: PLoS ONE Pub Date: December 2012 DOI: 10.1371/journal.pone.0051516 Bibcode: 2012PLoSO...751516B