Endoplasmic ReticulumEndoplasmic Reticulum StressEndoplasmic Reticulum, RoughSarcoplasmic ReticulumEndoplasmic Reticulum, SmoothGolgi ApparatusMolecular ChaperonesUnfolded Protein ResponseMembrane ProteinsProtein TransportMolecular Sequence DataHeat-Shock ProteinsProteasome Endopeptidase ComplexAmino Acid SequenceTunicamycinCell LineTranscription Factor CHOPSarcoplasmic Reticulum Calcium-Transporting ATPasesCalciumCalnexinIntracellular MembranesProtein FoldingCalreticulinThapsigarginCalcium-Transporting ATPasesBrefeldin AActivating Transcription Factor 6Protein Processing, Post-TranslationalMicrosomesGlycosylationCell MembraneMicroscopy, ElectronBiological TransportMutationCaspase 12Endoplasmic Reticulum-Associated DegradationProtein BindingProtein Sorting SignalsUbiquitinProtein Disulfide-IsomerasesCells, CulturedProteolysisSubcellular FractionsCOP-Coated VesiclesHSP70 Heat-Shock ProteinsKineticsStress, PhysiologicalCytosolProtein Structure, TertiaryHeLa CellsRecombinant Fusion ProteinsSaccharomyces cerevisiaeCarrier ProteinsCricetinaeSaccharomyces cerevisiae ProteinsCOS CellsModels, BiologicalApoptosisCalcium-Binding ProteinsSignal TransductionCytoplasmCalcium SignalingBase SequenceMicroscopy, FluorescenceBlotting, WesternRNA, MessengerCell FractionationUbiquitinationLiverUbiquitin-Protein LigasesCysteine EndopeptidasesCell CompartmentationCercopithecus aethiopsVesicular Transport ProteinsMitochondriaTransfectionRabbitsCHO CellsGlycoproteinsProtein BiosynthesisActivating Transcription Factor 4Inositol 1,4,5-Trisphosphate ReceptorsMicroscopy, ConfocalSequence Homology, Amino AcidMembrane GlycoproteinsCell Line, TumorProteinsMultienzyme ComplexesRecombinant ProteinseIF-2 KinaseAutophagyBiodegradation, EnvironmentalGreen Fluorescent ProteinsTime FactorsPhosphorylationImmunoblottingAdenosine TriphosphateHEK293 CellsFungal ProteinsHydrolysis