5ZKI:
reference: A unique exonuclease ExoG cleaves between RNA and DNA in mitochondrial DNA replication., Wu CC, Lin JLJ, Yang-Yen HF, Yuan HS, Nucleic Acids Res. 2019 Apr 5. pii: 5428310. doi: 10.1093/nar/gkz241. PMID: 30949702

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