6CX2:
reference: Identification of New Mutations at the PCNA Subunit Interface that Block Translesion Synthesis., Kondratick CM, Boehm EM, Dieckman LM, Powers KT, Sanchez JC, Mueting SR, Washington MT, PLoS One. 2016 Jun 3;11(6):e0157023. doi: 10.1371/journal.pone.0157023., eCollection 2016. PMID: 27258147

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