3V1Q:
reference: Crystal structures of the reverse transcriptase-associated ribonuclease H domain of xenotropic murine leukemia-virus related virus., Zhou D, Chung S, Miller M, Le Grice SF, Wlodawer A, J Struct Biol. 2012 Feb 16. PMID: 22366278

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