4MUR:
reference: Structural basis for the evolution of vancomycin resistance D,D-peptidases., Meziane-Cherif D, Stogios PJ, Evdokimova E, Savchenko A, Courvalin P, Proc Natl Acad Sci U S A. 2014 Apr 7. PMID: 24711382

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