2025
VAC14 oligomerization is essential for the function of the FAB1/PIKfyve-VAC14-FIG4 complex.
Zhang L, Uygun T, Hahn H, Liu Y, Rivero-RĂos P, Li D, Navratna V, Bristow E, Luo G, Kovarzin A, Bo Y, Gadde S, CĂ´tĂ© M, Ko D, Mosalaganti S, Reinisch K, Weisman L. VAC14 oligomerization is essential for the function of the FAB1/PIKfyve-VAC14-FIG4 complex. Molecular Biology Of The Cell 2025, 36: ar78. PMID: 40305106, DOI: 10.1091/mbc.e24-11-0490.Peer-Reviewed Original ResearchMeSH KeywordsCryoelectron MicroscopyFlavoproteinsHexosyltransferasesHumansIntracellular Signaling Peptides and ProteinsMembrane ProteinsMutationPhosphatidylinositol 3-KinasesPhosphatidylinositol PhosphatesPhosphoric Monoester HydrolasesPhosphotransferases (Alcohol Group Acceptor)Protein BindingProtein MultimerizationSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsVesicular Transport ProteinsConceptsPatient mutationsFluorescence-detection size-exclusion chromatographyPI(3,5)P<sub>2</sub>Phosphatidylinositol 3,5-bisphosphatePull-down assaysMedium-resolution structureYeast mutationsPediatric neurodegenerative diseaseVac14Signaling lipidsCell lysatesMutationsOligomerizationNeurodegenerative diseasesElectron microscopy mappingKnockoutFab1/PIKfyveYeastEndosomesFIG4PIKfyveLysatesColocalizationComplexRegulation
2015
The leukodystrophy protein FAM126A (hyccin) regulates PtdIns(4)P synthesis at the plasma membrane
Baskin JM, Wu X, Christiano R, Oh MS, Schauder CM, Gazzerro E, Messa M, Baldassari S, Assereto S, Biancheri R, Zara F, Minetti C, Raimondi A, Simons M, Walther TC, Reinisch KM, De Camilli P. The leukodystrophy protein FAM126A (hyccin) regulates PtdIns(4)P synthesis at the plasma membrane. Nature Cell Biology 2015, 18: 132-138. PMID: 26571211, PMCID: PMC4689616, DOI: 10.1038/ncb3271.Peer-Reviewed Original ResearchRe-visiting the trans insertion model for complexin clamping
Krishnakumar SS, Li F, Coleman J, Schauder CM, KĂĽmmel D, Pincet F, Rothman JE, Reinisch KM. Re-visiting the trans insertion model for complexin clamping. ELife 2015, 4: e04463. PMID: 25831964, PMCID: PMC4384536, DOI: 10.7554/elife.04463.Peer-Reviewed Original ResearchAdaptor Proteins, Vesicular TransportAlgorithmsAnimalsCalorimetryCircular DichroismEntropyFluorescence Resonance Energy TransferHumansKineticsMembrane FusionModels, NeurologicalMutationNerve Tissue ProteinsNeuronsProtein BindingSignal TransductionSNARE ProteinsSynaptic TransmissionSynaptotagminsVesicle-Associated Membrane Protein 2
2014
Diversity and plasticity in Rab GTPase nucleotide release mechanism has consequences for Rab activation and inactivation
Langemeyer L, Bastos R, Cai Y, Itzen A, Reinisch KM, Barr FA. Diversity and plasticity in Rab GTPase nucleotide release mechanism has consequences for Rab activation and inactivation. ELife 2014, 3: e01623. PMID: 24520163, PMCID: PMC3919270, DOI: 10.7554/elife.01623.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAspartic AcidBacterial ProteinsCatalytic DomainDeath Domain Receptor Signaling Adaptor ProteinsDNA-Binding ProteinsEnzyme ActivationGlutamineGuanine Nucleotide Exchange FactorsHeLa CellsHumansHydrolysisListeriaModels, MolecularMutagenesis, Site-DirectedMutationProtein Conformationrab GTP-Binding Proteinsrab1 GTP-Binding Proteinsrab5 GTP-Binding ProteinsSignal TransductionTransfectionConceptsActive site residuesGTP hydrolysis mechanismNucleotide-free formActive site glutamineSwitch II regionDifferent RabsRab activationRab GTPasesGTPase activationGlutamine mutantNucleotide exchangeGDP releaseRabActivation mechanismActivation pathwayActive formPathwayResiduesActivationII regionRAPlasticityGTPasesRab5GEF
2004
Structure of the La motif: a winged helix domain mediates RNA binding via a conserved aromatic patch
Dong G, Chakshusmathi G, Wolin SL, Reinisch KM. Structure of the La motif: a winged helix domain mediates RNA binding via a conserved aromatic patch. The EMBO Journal 2004, 23: 1000-1007. PMID: 14976553, PMCID: PMC380972, DOI: 10.1038/sj.emboj.7600115.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsAmino Acid SequenceAnimalsAutoantigensConserved SequenceCrystallography, X-RayHelix-Turn-Helix MotifsHydroxylationModels, MolecularMolecular Sequence DataMutationPhosphatesProtein BindingProtein Structure, TertiaryRibonucleoproteinsRNASequence AlignmentSubstrate SpecificityTrypanosoma brucei bruceiConceptsLa motifLa proteinRNA polymerase III transcriptsFirst structural insightsRNA-binding proteinPolymerase III transcriptsHelix domainNuclear phosphoproteinRNA substratesMutagenesis experimentsStructural insightsConserved regionsHigh-affinity bindingAromatic patchHelix architectureProteinSurface residuesMotifRNAUridylateCritical roleTranscriptsPhosphoproteinExonucleaseFolding
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