1N4Y:
reference: Solution structure of kistrin, a potent platelet aggregation inhibitor and GP IIb-IIIa antagonist., Adler M, Lazarus RA, Dennis MS, Wagner G, Science 1991 Jul 26;253(5018):445-8. PMID: 1862345

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