5MDU:
reference: The conserved protein Seb1 drives transcription termination by binding RNA polymerase II and nascent RNA., Wittmann S, Renner M, Watts BR, Adams O, Huseyin M, Baejen C, El Omari K, Kilchert C, Heo DH, Kecman T, Cramer P, Grimes JM, Vasiljeva L, Nat Commun. 2017 Apr 3;8:14861. doi: 10.1038/ncomms14861. PMID: 28367989

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