1PSJ:
reference: Crystal structure of an acidic phospholipase A2 from the venom of Agkistrodon halys pallas at 2.0 A resolution., Wang XQ, Yang J, Gui LL, Lin ZJ, Chen YC, Zhou YC, J Mol Biol 1996 Feb 9;255(5):669-76. PMID: 8636969

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