5ZX8:
reference: High-resolution crystal structure of peptidyl-tRNA hydrolase from Thermus thermophilus., Matsumoto A, Uehara Y, Shimizu Y, Ueda T, Uchiumi T, Ito K, Proteins. 2019 Mar;87(3):226-235. doi: 10.1002/prot.25643. Epub 2018 Dec 27. PMID: 30520515

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