HYDROLASE, HIV-1, PROTEASE, MULTI-DRUG RESISTANCE, ATAZANAVIR, AIDS CRYSTAL STRUCTURE OF THE INHIBITOR ATAZANAVIR (ATV) IN COMPLEX WITH A MULTI-DRUG RESISTANCE HIV-1 PROTEASE VARIANT (L10I/G48V/I54V/V64I/V82A) REFER: FLAP+ IN CITATION. 3EKW