2KMP:
reference: Deciphering the structural basis that guides the oxidative folding of leech-derived tryptase inhibitor., Pantoja-Uceda D, Arolas JL, Aviles FX, Santoro J, Ventura S, Sommerhoff CP, J Biol Chem. 2009 Dec 18;284(51):35612-20. Epub . PMID: 19820233

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