2Z2K:
reference: Structural Plasticity and Enzyme Action: Crystal Structures of Mycobacterium tuberculosis Peptidyl-tRNA Hydrolase., Selvaraj M, Roy S, Singh NS, Sangeetha R, Varshney U, Vijayan M, J Mol Biol. 2007 Jun 27;. PMID: 17619020

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