Protein ConformationViral ProteinsModels, MolecularThermodynamicsProtein BindingProtein FoldingProtein Structure, SecondaryProteinsKineticsBinding SitesCrystallography, X-RayProtein Structure, TertiarySpectrometry, FluorescenceAmino Acid SequenceDiphosphotransferasesMolecular Sequence DataMolecular ConformationMolecular Dynamics SimulationSperm WhaleBacteriorhodopsinsCircular DichroismModels, ChemicalOctopodiformesComputer SimulationNuclear Magnetic Resonance, BiomolecularSpectroscopy, Fourier Transform InfraredTemperatureCrystallographyLigandsSpectrophotometry, InfraredHydrogen-Ion ConcentrationProtein UnfoldingSolventsStructure-Activity RelationshipPhotochemistryMagnetic Resonance SpectroscopyMutationMyoglobinApoproteinsProtein DenaturationMutagenesis, Site-DirectedHydrogen BondingRetinaldehydeAmino Acid SubstitutionCatalysisMotionRecombinant ProteinsProtonsFluorescence Resonance Energy TransferElectronsTryptophanVirus ReplicationWaterSpectrum Analysis, RamanEscherichia coliBiophysicsCell LinePeptidesCatalytic DomainLightSpectrophotometryStatic ElectricityIsomerismAdenosine TriphosphateSpectrum AnalysisRhodopsinAmyloidRNA, ViralCattleNucleic Acid ConformationMolecular ChaperonesSequence Analysis, ProteinSubstrate SpecificityEscherichia coli ProteinsAlgorithmsMicroscopy, Atomic ForceBacterial ProteinsLipid BilayersBase SequenceModels, BiologicalTime FactorsVirionDatabases, ProteinSoftwareViral Nonstructural ProteinsGene Expression Regulation, ViralModels, TheoreticalCapsid ProteinsProtein Structure, QuaternaryComputational BiologyCercopithecus aethiopsHeLa CellsDimerizationEpitopesHIV-1DNA, ViralCapsidVirus AssemblyGene Products, vprGenome, Viral