LigandsProtein BindingBinding SitesModels, MolecularMolecular Sequence DataAmino Acid SequenceProtein ConformationProtein Structure, TertiaryCD40 LigandKineticsFas Ligand ProteinCrystallography, X-RayBinding, CompetitiveStructure-Activity RelationshipMutagenesis, Site-DirectedSignal TransductionCell LineRecombinant ProteinsRadioligand AssayProtein Structure, SecondaryCHO CellsReceptors, Cell SurfaceTransfectionDimerizationSequence Homology, Amino AcidRecombinant Fusion ProteinsCricetinaeMutationThermodynamicsCOS CellsAllosteric RegulationBase SequenceMembrane GlycoproteinsRANK LigandMolecular StructureCell MembraneCarrier ProteinsCarbon MonoxideRiboswitchMolecular Dynamics SimulationCells, CulturedModels, ChemicalReceptors, ImmunologicMembrane ProteinsAmino Acid SubstitutionReceptors, Cytoplasmic and NuclearReceptors, G-Protein-CoupledSequence AlignmentProteinsMyoglobinPeptidesCalorimetryNuclear Magnetic Resonance, BiomolecularCD30 LigandMolecular ConformationTNF-Related Apoptosis-Inducing LigandAntibodies, MonoclonalProtein MultimerizationCell AdhesionCysteineHemeIntegrinsAmino Acid MotifsPeptide FragmentsMagnetic Resonance SpectroscopyProtein Structure, QuaternaryModels, BiologicalSpectrometry, FluorescenceMutagenesisWhalesCloning, MolecularMolecular Docking SimulationDose-Response Relationship, DrugAllosteric SiteDrug DesignOligopeptidesPoint MutationPhotolysisCercopithecus aethiopsCricetulusEscherichia coliOX40 LigandSubstrate SpecificityAptamers, NucleotidePhosphorylationHydrogen-Ion ConcentrationRNA, MessengerAntigens, CDSurface Plasmon ResonanceCircular DichroismDNA, ComplementaryReceptors, Retinoic AcidDNA PrimersProtein FoldingComputer SimulationStructural Homology, ProteinTryptophanTranscription FactorsEndocytosisTyrosine