2010
Dynamin GTPase regulation is altered by PH domain mutations found in centronuclear myopathy patients
Kenniston JA, Lemmon MA. Dynamin GTPase regulation is altered by PH domain mutations found in centronuclear myopathy patients. The EMBO Journal 2010, 29: 3054-3067. PMID: 20700106, PMCID: PMC2944063, DOI: 10.1038/emboj.2010.187.Peer-Reviewed Original ResearchConceptsDynamin GTPase activityPH domain mutationsGTPase activityCNM mutationsConformational changesLarge GTPase dynaminGTP hydrolysis cycleC-terminal α-helixPleckstrin homology domainLow-resolution structureDomain mutationsReceptor-mediated endocytosisGTPase dynaminGTPase regulationPH domainScission functionCellular processesGTPase activationDynaminDomain rearrangementsVesicle invaginationGTPase rateCentronuclear myopathyHydrolysis cycleΑ-helix
2009
A possible effector role for the pleckstrin homology (PH) domain of dynamin
Bethoney KA, King MC, Hinshaw JE, Ostap EM, Lemmon MA. A possible effector role for the pleckstrin homology (PH) domain of dynamin. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 13359-13364. PMID: 19666604, PMCID: PMC2720410, DOI: 10.1073/pnas.0906945106.Peer-Reviewed Original ResearchConceptsPleckstrin homology domainHomology domainPH domainAbility of dynaminLarge GTPase dynaminPH domain mutationsPhosphoinositide-containing membranesGTPase dynaminDynamin functionVesicle scissionMembrane scissionDynamin helixDynamin assemblyTargeting roleDynamin oligomersDynamin 1Possible effector roleAnimal cellsBisphosphate moleculesActin polymerizationDynaminClathrinDomain mutationsPhosphoinositideEndocytosisAuto‐inhibition of dynamin GTPase activity is regulated by PH domain interactions
Kenniston J, Lemmon M. Auto‐inhibition of dynamin GTPase activity is regulated by PH domain interactions. The FASEB Journal 2009, 23: 697.3-697.3. DOI: 10.1096/fasebj.23.1_supplement.697.3.Peer-Reviewed Original ResearchGTPase activityDynamin pleckstrin homology domainDynamin GTPase activityPleckstrin homology domainGTP hydrolysis ratePH domain interactionJane Coffin Childs Memorial FundReceptor-mediated endocytosisGTPase domainHomology domainDynamin GTPaseInteraction motifsGTP hydrolysisAbsence of lipidsConformational interplaySelective mutagenesisDomain interactionsGTPase rateVesicle interactionsDynaminScission eventsDistinct groupsGTPaseMutagenesisEndocytosis
1999
Dominant-negative inhibition of receptor-mediated endocytosis by a dynamin-1 mutant with a defective pleckstrin homology domain
Lee A, Frank D, Marks M, Lemmon M. Dominant-negative inhibition of receptor-mediated endocytosis by a dynamin-1 mutant with a defective pleckstrin homology domain. Current Biology 1999, 9: 261-265. PMID: 10074457, DOI: 10.1016/s0960-9822(99)80115-8.Peer-Reviewed Original ResearchConceptsPleckstrin homology domainPH domainReceptor-mediated endocytosisDynamin 1Homology domainEndocytic vesiclesPH domain bindsDynamin PH domainDominant negative inhibitorHigher-order oligomersDominant-negative inhibitionDynamin functionDomain bindsDynamin oligomersGTP bindingGTP hydrolysisGTPase activityPlasma membraneDynaminEndocytosisVesiclesPhosphoinositideBindsDomainMembrane
1997
Specific role for the PH domain of dynamin‐1 in the regulation of rapid endocytosis in adrenal chromaffin cells
Artalejo C, Lemmon M, Schlessinger J, Palfrey H. Specific role for the PH domain of dynamin‐1 in the regulation of rapid endocytosis in adrenal chromaffin cells. The EMBO Journal 1997, 16: 1565-1574. PMID: 9130701, PMCID: PMC1169760, DOI: 10.1093/emboj/16.7.1565.Peer-Reviewed Original ResearchMeSH KeywordsAdrenal MedullaAmino Acid SequenceAnimalsBlood ProteinsCattleChromaffin CellsDynamin IDynaminsEndocytosisGenetic VariationGTP PhosphohydrolasesHumansModels, StructuralMolecular Sequence DataMutagenesis, Site-DirectedPatch-Clamp TechniquesPhosphoproteinsPolymerase Chain ReactionProtein Structure, SecondaryRecombinant ProteinsSequence Homology, Amino AcidConceptsPH domainDynamin 1Rapid endocytosisPleckstrin homology domainAmino acidsDynamin PH domainIsolated PH domainTypes of endocytosisChromaffin cellsHomology domainDynamin 2Mutational studiesEquivalent residuesEndocytotic processDifferent isoformsAdrenal chromaffin cellsEndocytosisDynaminVariable loopScission eventsSpecific roleCellsKey roleDomainIsoforms
1996
Identification of the Binding Site for Acidic Phospholipids on the PH Domain of Dynamin: Implications for Stimulation of GTPase Activity
Zheng J, Cahill S, Lemmon M, Fushman D, Schlessinger J, Cowburn D. Identification of the Binding Site for Acidic Phospholipids on the PH Domain of Dynamin: Implications for Stimulation of GTPase Activity. Journal Of Molecular Biology 1996, 255: 14-21. PMID: 8568861, DOI: 10.1006/jmbi.1996.0002.Peer-Reviewed Original ResearchMeSH KeywordsBinding SitesBlood ProteinsDynaminsGTP PhosphohydrolasesHumansKineticsMagnetic Resonance SpectroscopyModels, MolecularPhosphatidic AcidsPhosphatidylinositol 4,5-DiphosphatePhosphatidylinositol PhosphatesPhosphoproteinsProtein ConformationSequence Homology, Amino AcidSpectrometry, FluorescenceConceptsDynamin PH domainPH domainMembrane associationGTPase activityGuanine nucleotide exchange factorsNucleotide exchange factorsPleckstrin homology domainAcidic phospholipidsBinding of phospholipidsHomology domainExchange factorHuman dynaminGTP hydrolysisDynaminLipid head groupsLigand interactionsGTPaseBinding sitesPhosphatidylinositolSpecific sitesProteinPhospholipidsRelative affinityBindingDomain