| 6IYV: reference: The 1-beta-methyl group confers a lower affinity of l,d-transpeptidase LdtMt2 for ertapenem than for imipenem., Zhao F, Hou YJ, Zhang Y, Wang DC, Li DF, Biochem Biophys Res Commun. 2019 Mar 5;510(2):254-260. doi:, 10.1016/j.bbrc.2019.01.082. Epub 2019 Jan 25. PMID: 30686533 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).