5MMH:
reference: Muropeptide Binding and the X-ray Structure of the Effector Domain of the Transcriptional Regulator AmpR of Pseudomonas aeruginosa., Dik DA, Dominguez-Gil T, Lee M, Hesek D, Byun B, Fishovitz J, Boggess B, Hellman LM, Fisher JF, Hermoso JA, Mobashery S, J Am Chem Soc. 2017 Jan 17. doi: 10.1021/jacs.6b12819. PMID: 28079369

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