1SKF:
reference: The crystal structure of a penicilloyl-serine transferase of intermediate penicillin sensitivity. The DD-transpeptidase of streptomyces K15., Fonze E, Vermeire M, Nguyen-Disteche M, Brasseur R, Charlier P, J Biol Chem 1999 Jul 30;274(31):21853-60. PMID: 10419503

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