Wang, Y. (Contributor), Liu, Z. (Contributor), Brunzelle, J. S. (Contributor), Kovari, I. A. (Contributor), Dewdney, T. G. (Contributor), Reiter, S. J. (Contributor), Kovari, L. C. (Contributor) (Oct 12 2011). Tipranavir in Complex with a Human Immunodeficiency Virus Type 1 Protease Variant. Protein Data Bank (PDB). 10.2210/pdb3SPK/pdb