4KB0:
reference: Structural insights into DNA repair by RNase T--an exonuclease processing 3' end of structured DNA in repair pathways., Hsiao YY, Fang WH, Lee CC, Chen YP, Yuan HS, PLoS Biol. 2014 Mar 4;12(3):e1001803. doi: 10.1371/journal.pbio.1001803., eCollection 2014 Mar. PMID: 24594808

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