LigandsProtein BindingModels, MolecularCrystallography, X-RayBinding SitesOxyquinolineProtein ConformationMolecular Sequence DataAmino Acid SequenceProtein Structure, TertiaryKineticsMolecular StructurePeptide LibraryProtein Structure, SecondaryTumor Necrosis FactorsProteinsThermodynamicsHeparitin SulfateBinding, CompetitivePeptidesRecombinant ProteinsMembrane ProteinsCD40 LigandHydrogen BondingModels, ChemicalSignal TransductionCell LineRecombinant Fusion ProteinsFas Ligand ProteinCarrier ProteinsPeptide FragmentsCells, CulturedMutationAlgorithmsRANK LigandCD30 LigandMembrane GlycoproteinsTNF-Related Apoptosis-Inducing LigandOX40 Ligand4-1BB LigandReceptors, Cell SurfaceStructure-Activity RelationshipMice, Inbred C57BL