2PZX:
reference: Extension of Drosophila melanogaster life span with a GPCR peptide inhibitor., Ja WW, West AP Jr, Delker SL, Bjorkman PJ, Benzer S, Roberts RW, Nat Chem Biol. 2007 Jul;3(7):415-9. Epub 2007 Jun 3. PMID: 17546039

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