4BG7:
reference: Bacteriophage T5 Encodes a Homolog of the Eukaryotic Transcription Coactivator PC4 Implicated in Recombination-Dependent DNA Replication., Steigemann B, Schulz A, Werten S, J Mol Biol. 2013 Sep 10. pii: S0022-2836(13)00558-5. doi:, 10.1016/j.jmb.2013.09.001. PMID: 24029071

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