2R7Z:
reference: Mechanism of transcriptional stalling at cisplatin-damaged DNA., Damsma GE, Alt A, Brueckner F, Carell T, Cramer P, Nat Struct Mol Biol. 2007 Nov 11;. PMID: 17994106

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