2G8H:
reference: Stepwise analyses of metal ions in RNase H catalysis from substrate destabilization to product release., Nowotny M, Yang W, EMBO J. 2006 May 3;25(9):1924-33. Epub 2006 Apr 6. PMID: 16601679

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