2020
A lower affinity to cytosolic proteins reveals VDAC3 isoform-specific role in mitochondrial biology
Queralt-Martín M, Bergdoll L, Teijido O, Munshi N, Jacobs D, Kuszak A, Protchenko O, Reina S, Magrì A, De Pinto V, Bezrukov S, Abramson J, Rostovtseva T. A lower affinity to cytosolic proteins reveals VDAC3 isoform-specific role in mitochondrial biology. The Journal Of General Physiology 2020, 152: e201912501. PMID: 31935282, PMCID: PMC7062508, DOI: 10.1085/jgp.201912501.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiologyCysteineCytosolHumansMiceMitochondriaMitochondrial Membrane Transport ProteinsMitochondrial ProteinsProtein IsoformsSynucleinsVoltage-Dependent Anion Channel 1Voltage-Dependent Anion ChannelsConceptsVoltage-dependent anion channelCysteine residuesMitochondrial outer membraneGeneral molecular mechanismIsoform-specific functionsHigh sequence similarityCysteine-scanning mutagenesisIsoform-specific rolesIsoform-specific regulationUnique functional rolesMitochondrial biologyVDAC isoformsMetabolite exchangeOuter membraneScanning mutagenesisCytosolic proteinsΑ-synucleinAnion channelVoltage-gated channelsMolecular mechanismsMitochondrial bioenergeticsProtein α-synucleinVDAC3VDAC1Functional role
2018
Assessing the role of residue E73 and lipid headgroup charge in VDAC1 voltage gating
Queralt-Martín M, Bergdoll L, Jacobs D, Bezrukov S, Abramson J, Rostovtseva T. Assessing the role of residue E73 and lipid headgroup charge in VDAC1 voltage gating. Biochimica Et Biophysica Acta (BBA) - Bioenergetics 2018, 1860: 22-29. PMID: 30412693, PMCID: PMC8283775, DOI: 10.1016/j.bbabio.2018.11.001.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SubstitutionAnimalsGlutamic AcidIon Channel GatingMembrane LipidsMiceMitochondriaMitochondrial MembranesPermeabilityVoltage-Dependent Anion Channel 1ConceptsVoltage-dependent anion channelMitochondrial outer membraneVoltage gatingVoltage-gating processCholesterol binding siteVDAC's roleVDAC functionGating processMetabolite transportOuter membraneAbundant proteinsMOM permeabilityVDAC gatingPlanar lipid membranesAnion channelE73Mitochondrial respirationLipid bilayer systemsLipid headgroup chargeBinding sitesLipid membranesPhospholipid headgroupsElectrophysiology measurementsTransport of ionsRecent studies