2CMY:
reference: An unusual helix-turn-helix protease inhibitory motif in a novel trypsin inhibitor from seeds of veronica (Veronica hederifolia L.)., Conners R, Konarev AV, Forsyth J, Lovegrove A, Marsh JT, Joseph-Horne T, Shewry P, Brady RL, J Biol Chem. 2007 Jul 19;. PMID: 17640870

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