4DRF:
reference: Molecular basis of bacterial protein Hen1 activating the ligase activity of bacterial protein Pnkp for RNA repair., Wang P, Chan CM, Christensen D, Zhang C, Selvadurai K, Huang RH, Proc Natl Acad Sci U S A. 2012 Jul 30. PMID: 22847431

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