| 6GRB: reference: A monovalent ion in the DNA binding interface of the eukaryotic junction-resolving enzyme GEN1., Liu Y, Freeman ADJ, Declais AC, Lilley DMJ, Nucleic Acids Res. 2018 Sep 24. pii: 5106143. doi: 10.1093/nar/gky863. PMID: 30247722 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).