2023
Direct determination of oligomeric organization of integral membrane proteins and lipids from intact customizable bilayer
Panda A, Giska F, Duncan A, Welch A, Brown C, McAllister R, Hariharan P, Goder J, Coleman J, Ramakrishnan S, Pincet F, Guan L, Krishnakumar S, Rothman J, Gupta K. Direct determination of oligomeric organization of integral membrane proteins and lipids from intact customizable bilayer. Nature Methods 2023, 20: 891-897. PMID: 37106230, PMCID: PMC10932606, DOI: 10.1038/s41592-023-01864-5.Peer-Reviewed Original ResearchConceptsIntegral membrane proteinsMembrane proteinsOligomeric organizationOligomeric stateNative mass spectrometry analysisFunctional oligomeric stateKey membrane componentMass spectrometry analysisNMS analysisTarget membraneLipid bindingMembrane componentsProteolipid vesiclesMembrane compositionLipid compositionSpectrometry analysisLipid membranesNeurotransmitter releaseProteinMembraneLipidsMembrane propertiesDirect determinationBilayersTransporters
2022
A tunable lipid bilayer native MS platform for direct determination of hierarchical organization of membrane proteins and lipids at the membrane
Panda A, Giska F, Brown C, Coleman J, Rothman J, Gupta K. A tunable lipid bilayer native MS platform for direct determination of hierarchical organization of membrane proteins and lipids at the membrane. Biophysical Journal 2022, 121: 312a-313a. DOI: 10.1016/j.bpj.2021.11.1192.Peer-Reviewed Original Research
2019
Highly Reproducible Physiological Asymmetric Membrane with Freely Diffusing Embedded Proteins in a 3D‐Printed Microfluidic Setup
Heo P, Ramakrishnan S, Coleman J, Rothman JE, Fleury J, Pincet F. Highly Reproducible Physiological Asymmetric Membrane with Freely Diffusing Embedded Proteins in a 3D‐Printed Microfluidic Setup. Small 2019, 15: e1900725. PMID: 30977975, DOI: 10.1002/smll.201900725.Peer-Reviewed Original ResearchConceptsMost biological processesLipid leafletAreas of biologyEmbedded proteinsBiological processesRelevant lipidsProteinAsymmetric bilayersPhysiological conditionsModel membranesPlanar bilayersBilayer formation processInvaluable insightsBilayersConfocal microscopeMembraneLipidsTransmembraneBiologyLeafletsMicrofluidic setupRecapitulation
2010
Protein Determinants of SNARE-Mediated Lipid Mixing
Ji H, Coleman J, Yang R, Melia TJ, Rothman JE, Tareste D. Protein Determinants of SNARE-Mediated Lipid Mixing. Biophysical Journal 2010, 99: 553-560. PMID: 20643074, PMCID: PMC2905075, DOI: 10.1016/j.bpj.2010.04.060.Peer-Reviewed Original ResearchConceptsSNARE proteinsN-ethylmaleimide-sensitive factor attachment protein receptorsSoluble N-ethylmaleimide-sensitive factor attachment protein receptorsSensitive factor attachment protein receptorsFactor attachment protein receptorsT-SNARE complexMembrane SNARE proteinsT-SNARE proteinsAttachment protein receptorsLipid mixingMembrane SNAREsProtein receptorsProtein determinantsReconstitution conditionsReconstitution protocolsSnareLiposome fusionProteinLiposome populationsSpecific activityLipidsOptimal lipidProteoliposomesPhysiologyRecent work