2023
Studying Membrane Protein–Lipid Specificity through Direct Native Mass Spectrometric Analysis from Tunable Proteoliposomes
Panda A, Brown C, Gupta K. Studying Membrane Protein–Lipid Specificity through Direct Native Mass Spectrometric Analysis from Tunable Proteoliposomes. Journal Of The American Society For Mass Spectrometry 2023, 34: 1917-1927. PMID: 37432128, PMCID: PMC10932607, DOI: 10.1021/jasms.3c00110.Peer-Reviewed Original ResearchConceptsIntegral membrane proteinsMembrane proteinsNative mass spectrometryTrafficking pathwaysPlasma membraneEukaryotic integral membrane proteinsEndoplasmic reticulumBiophysical propertiesMembrane protein assemblySynaptic vesiclesCellular trafficking pathwaysOrganellar membranesLipid specificityTransmembrane proteinProtein assembliesMembrane contextMass spectrometric analysisProteinNative mass spectrometric analysesVAMP2Lipid compositionExogenous ligandsLipid membranesIndividual lipidsMembrane
2022
Mitoguardin-2–mediated lipid transfer preserves mitochondrial morphology and lipid droplet formation
Hong Z, Adlakha J, Wan N, Guinn E, Giska F, Gupta K, Melia TJ, Reinisch KM. Mitoguardin-2–mediated lipid transfer preserves mitochondrial morphology and lipid droplet formation. Journal Of Cell Biology 2022, 221: e202207022. PMID: 36282247, PMCID: PMC9597353, DOI: 10.1083/jcb.202207022.Peer-Reviewed Original ResearchConceptsEndoplasmic reticulumLipid dropletsProtein-mediated transferLipid transport proteinsLipid droplet formationLD biologyMitochondrial proteinsSecretory pathwayMass spectrometry analysisTerminal domainMitochondrial morphologyTransport proteinsLipid transportersCellular membranesLD metabolismMembrane contactX-ray structureSpectrometry analysisOrganellesGlycerophospholipidsProteinHydrophobic cavityFatty acidsLipidsMembrane