4P0M:
reference: Subfamily-Specific Adaptations in the Structures of Two Penicillin-Binding Proteins from Mycobacterium tuberculosis., Prigozhin DM, Krieger IV, Huizar JP, Mavrici D, Waldo GS, Hung LW, Sacchettini JC, Terwilliger TC, Alber T, PLoS One. 2014 Dec 31;9(12):e116249. doi: 10.1371/journal.pone.0116249., eCollection 2014. PMID: 25551456

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