4AM9:
reference: Crystal structure of the Yersinia enterocolitica type III secretion chaperone SycD in complex with a peptide of the minor translocator YopD., Schreiner M, Niemann HH, BMC Struct Biol. 2012 Jun 18;12(1):13. PMID: 22708907

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