1MWL:
reference: Crystal structure of geneticin bound to a bacterial 16S ribosomal RNA A site oligonucleotide., Vicens Q, Westhof E, J Mol Biol 2003 Feb 28;326(4):1175-88. PMID: 12589761

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