6EY2:
reference: Structure-based design and molecular profiling of Smac-mimetics selective for cellular IAPs., Corti A, Milani M, Lecis D, Seneci P, de Rosa M, Mastrangelo E, Cossu F, FEBS J. 2018 Jul 28. doi: 10.1111/febs.14616. PMID: 30055105

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