4DR6:
reference: A structural basis for streptomycin-induced misreading of the genetic code., Demirci H, Murphy F 4th, Murphy E, Gregory ST, Dahlberg AE, Jogl G, Nat Commun. 2013 Jan 15;4:1355. doi: 10.1038/ncomms2346. PMID: 23322043

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