1POE:
reference: Structures of free and inhibited human secretory phospholipase A2 from inflammatory exudate., Scott DL, White SP, Browning JL, Rosa JJ, Gelb MH, Sigler PB, Science 1991 Nov 15;254(5034):1007-10. PMID: 1948070

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