1JYM:
reference: Crystals of peptide deformylase from Plasmodium falciparum reveal critical characteristics of the active site for drug design., Kumar A, Nguyen KT, Srivathsan S, Ornstein B, Turley S, Hirsh I, Pei D, Hol WG, Structure (Camb) 2002 Mar;10(3):357-67. PMID: 12005434

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