XanthonesGarcinia mangostanaClusiaceaeGarciniaCalophyllumGentianaceaeXanthenesBenzophenonesSwertiaPlant ExtractsPlant BarkInhibitory Concentration 50Molecular StructureSpectrometry, Mass, Electrospray IonizationDrug Screening Assays, AntitumorChromatography, High Pressure LiquidBiosynthetic PathwaysMagnetic Resonance SpectroscopyAntineoplastic Agents, PhytogenicMolecular Sequence DataStreptomycesAmino Acid SequenceMultigene FamilyBacterial ProteinsCell Line, TumorMutationEscherichia coliGenes, BacterialCloning, MolecularGenetic Complementation TestBase SequenceGene Expression Regulation, PlantTerpenesProtein BiosynthesisAcyltransferasesKineticsPolyketide SynthasesPeptide SynthasesSequence Homology, Amino Acid