4Z4A:
reference: Structural analysis of an Avr4 effector ortholog offers insight into chitin-binding and recognition by the Cf-4 receptor., Kohler AC, Chen LH, Hurlburt N, Salvucci A, Schwessinger B, Fisher AJ, Stergiopoulos I, Plant Cell. 2016 Jul 8. pii: tpc.00893.2015. PMID: 27401545

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