1RTD:
reference: Structure of a covalently trapped catalytic complex of HIV-1 reverse transcriptase: implications for drug resistance., Huang H, Chopra R, Verdine GL, Harrison SC, Science 1998 Nov 27;282(5394):1669-75. PMID: 9831551

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