1P1P:
reference: NMR structure determination of a novel conotoxin, [Pro 7,13] alpha A-conotoxin PIVA., Han KH, Hwang KJ, Kim SM, Kim SK, Gray WR, Olivera BM, Rivier J, Shon KJ, Biochemistry 1997 Feb 18;36(7):1669-77. PMID: 9048550

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