3PWR:
reference: Drug Resistance Mutation L76V Decreases the Dimer Stability and Rate of Autoprocessing of HIV-1 Protease by Reducing Internal Hydrophobic Contacts., Louis JM, Zhang Y, Sayer JM, Wang YF, Harrison RW, Weber IT, Biochemistry. 2011 Mar 29. PMID: 21446746

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