1S1T:
reference: Crystal structures of HIV-1 reverse transcriptases mutated at codons 100, 106 and 108 and mechanisms of resistance to non-nucleoside inhibitors., Ren J, Nichols CE, Chamberlain PP, Weaver KL, Short SA, Stammers DK, J Mol Biol 2004 Feb 20;336(3):569-78. PMID: 15095972

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