4E7A:
reference: Structure of HCV Polymerase in Complex with Primer-Template RNA., Mosley RT, Edwards TE, Murakami E, Lam AM, Grice RL, Du J, Sofia MJ, Furman PA, Otto MJ, J Virol. 2012 Apr 11. PMID: 22496223

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