Viral Matrix ProteinsMarburgvirusVirus ReplicationViral Envelope ProteinsExtracellular Matrix ProteinsVirionVirus AssemblyExtracellular MatrixViral ProteinsNuclear EnvelopeCell LineCartilage Oligomeric Matrix ProteinHIV Envelope Protein gp120Matrilin ProteinsMolecular Sequence DataAmino Acid SequenceVirus InternalizationHIV Envelope Protein gp41GlycoproteinsGene Products, envHIV-1Nuclear MatrixMembrane FusionFibronectinsMatrix MetalloproteinasesMatrix Metalloproteinase 2Bone MatrixCells, Culturedenv Gene Products, Human Immunodeficiency VirusViral Fusion ProteinsReceptors, VirusParainfluenza Virus 1, HumanNeutralization TestsMicroscopy, ElectronCollagenCell MembraneAntigens, CD4Cell FusionProtein BindingBase SequenceLamininMatrix Metalloproteinase InhibitorsMatrix Metalloproteinase 1Nuclear Matrix-Associated ProteinsTenascinHIV Antibodies