4FOP:
reference: The Mode of Inhibitor Binding to Peptidyl-tRNA Hydrolase: Binding Studies and Structure Determination of Unbound and Bound Peptidyl-tRNA Hydrolase from Acinetobacter baumannii., Kaushik S, Singh N, Yamini S, Singh A, Sinha M, Arora A, Kaur P, Sharma S, Singh TP, PLoS One. 2013 Jul 3;8(7):e67547. doi: 10.1371/journal.pone.0067547. Print 2013. PMID: 23844024

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