SNARE ProteinsBone Morphogenetic Protein Receptors, Type IIBone Morphogenetic Protein Receptors, Type IQa-SNARE ProteinsR-SNARE ProteinsBone Morphogenetic Protein ReceptorsVesicular Transport ProteinsVesicle-Associated Membrane Protein 2Synaptosomal-Associated Protein 25Syntaxin 1Qb-SNARE ProteinsMunc18 ProteinsQc-SNARE ProteinsExocytosisMembrane FusionSoluble N-Ethylmaleimide-Sensitive Factor Attachment ProteinsMembrane ProteinsSyntaxin 16Botulinum ToxinsSynaptotagmin IReceptor, Parathyroid Hormone, Type 1Synaptotagmin IISynaptotagminsN-Ethylmaleimide-Sensitive ProteinsReceptors, Parathyroid HormoneTetanus ToxinVesicle-Associated Membrane Protein 3Hypertension, PulmonaryProtein BindingSynaptic VesiclesSecretory VesiclesSmad1 ProteinNerve Tissue ProteinsUDPglucose-Hexose-1-Phosphate UridylyltransferaseReceptors, Growth FactorProtein TransportQ-SNARE ProteinsGolgi ApparatusCell MembraneReceptors, Cell SurfaceMolecular Sequence DataProtein Structure, TertiarySmad Proteins, Receptor-RegulatedAmino Acid SequenceBotulinum Toxins, Type ACarrier ProteinsTransport VesiclesPC12 CellsCytoplasmic VesiclesSignal TransductionBone Morphogenetic ProteinsMutationBone Morphogenetic Protein 2GangliosidesAdaptor Proteins, Vesicular TransportEndosomesRecombinant Fusion Proteinsrab GTP-Binding ProteinsCell LineLiposomestrans-Golgi NetworkEthylmaleimideVacuolesActivin Receptors, Type IProtein-Serine-Threonine KinasesPulmonary ArteryCells, CulturedParathyroid Hormone-Related ProteinCOS CellsG-Protein-Coupled Receptor Kinase 3Cytoplasmic GranulesEndocytosisSynaptosomesActivin Receptors, Type IIEndoplasmic ReticulumLigandsBinding SitesEcdysteroneRecombinant ProteinsCalciumrab3 GTP-Binding ProteinsModels, MolecularMultiprotein ComplexesMonocrotalineSaccharomyces cerevisiae ProteinsIntracellular MembranesMicroscopy, FluorescenceChromaffin CellsNeuronsProtein IsoformsSequence Homology, Amino AcidFluorescence Resonance Energy TransferCercopithecus aethiopsProteinsBone Morphogenetic Protein 4Antigens, SurfaceMembrane GlycoproteinsModels, BiologicalBiological TransportTransfection