Small Molecule LibrariesDrug DiscoveryPharmaceutical PreparationsDrug DesignDrug ResistanceDrug Resistance, NeoplasmDrug Resistance, ViralDrug Resistance, MultipleDrug Resistance, MicrobialDrug Resistance, BacterialDrug Resistance, Multiple, BacterialMutationDrug Resistance, FungalMolecular Sequence DataMicrobial Sensitivity TestsAnti-Bacterial AgentsAntineoplastic AgentsCell Line, TumorDisease ResistanceP-GlycoproteinDrug Resistance, Multiple, ViralVascular ResistanceAntitubercular AgentsAmino Acid SequenceModels, MolecularAnti-HIV AgentsSignal TransductionCell Adhesion MoleculesHIV-1Tuberculosis, Multidrug-ResistantProtein BindingBase SequenceDrug Evaluation, PreclinicalMolecular StructureHigh-Throughput Screening AssaysCell LineBacterial ProteinsEscherichia coliHIV ProteaseInhibitory Concentration 50AntimalarialsApoptosisMycobacterium tuberculosisATP-Binding Cassette TransportersGenotypeBinding SitesHIV InfectionsMultidrug Resistance-Associated ProteinsHIV Reverse TranscriptaseStructure-Activity RelationshipR FactorsPhenotypeCell SurvivalDoxorubicinGenes, MDRDrug Screening Assays, AntitumorTumor Cells, CulturedModels, BiologicalStreptomycinTetracycline ResistanceSequence Analysis, DNAPenicillin ResistanceDrug Resistance, Multiple, FungalEnzyme InhibitorsLigandsProtein Kinase InhibitorsPlasmidsKineticsTime FactorsCells, CulturedDose-Response Relationship, DrugTetracyclineChloroquinePolymerase Chain ReactionReverse Transcriptase InhibitorsNeoplasmsIsoniazidDNA, BacterialProtein ConformationPlant DiseasesCell ProliferationPlasmodium falciparumProtein Structure, TertiaryParasitic Sensitivity TestsPyrimidinesRNA, MessengerMembrane Transport ProteinsMutation, MissenseReverse Transcriptase Polymerase Chain ReactionCrystallography, X-RayRifampinTransfectionCombinatorial Chemistry TechniquesMice, Inbred C57BLAirway ResistanceAntiviral AgentsBlotting, WesternConjugation, GeneticPiperazinesGene Expression Regulation, Neoplastic