2001
Unraveling the means to the end in ATP-dependent proteases
Hochstrasser M, Wang J. Unraveling the means to the end in ATP-dependent proteases. Nature Structural & Molecular Biology 2001, 8: 294-296. PMID: 11276243, DOI: 10.1038/86153.Peer-Reviewed Original Research
2000
The Doa4 Deubiquitinating Enzyme Is Functionally Linked to the Vacuolar Protein-sorting and Endocytic Pathways
Amerik A, Nowak J, Swaminathan S, Hochstrasser M. The Doa4 Deubiquitinating Enzyme Is Functionally Linked to the Vacuolar Protein-sorting and Endocytic Pathways. Molecular Biology Of The Cell 2000, 11: 3365-3380. PMID: 11029042, PMCID: PMC14998, DOI: 10.1091/mbc.11.10.3365.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAmino Acid SequenceBreast NeoplasmsCysteine EndopeptidasesEndocytosisEndopeptidasesEndosomal Sorting Complexes Required for TransportFemaleFungal ProteinsGenotypeHumansMolecular Sequence DataMultienzyme ComplexesMutagenesisProteasome Endopeptidase ComplexRecombinant ProteinsSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsSequence AlignmentSequence Homology, Amino AcidSubstrate SpecificitySuppression, GeneticUbiquitin ThiolesteraseUbiquitinsVacuolesConceptsPrevacuolar compartmentDeubiquitinating enzymeVacuolar protein sorting (VPS) pathwayFluorescent proteinEndomembrane protein traffickingProtein sorting pathwaysUbiquitinated membrane proteinsVacuolar protein sortingClass E compartmentSpontaneous extragenic suppressorsGreen fluorescent proteinExtragenic suppressorsProtein sortingProtein traffickingProtein deubiquitinationUbiquitin recyclingPathway substrateE compartmentMembrane proteinsEndocytic pathwayUbiquitinated intermediatesDifferent genesMultivesicular bodiesNuclear distributionUnanticipated connectionsThe Yeast ULP2 (SMT4) Gene Encodes a Novel Protease Specific for the Ubiquitin-Like Smt3 Protein
Li S, Hochstrasser M. The Yeast ULP2 (SMT4) Gene Encodes a Novel Protease Specific for the Ubiquitin-Like Smt3 Protein. Molecular And Cellular Biology 2000, 20: 2367-2377. PMID: 10713161, PMCID: PMC85410, DOI: 10.1128/mcb.20.7.2367-2377.2000.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceCell DivisionChromosomesCysteine EndopeptidasesDNA DamageEndopeptidasesFungal ProteinsHydroxyureaMitosisMolecular Sequence DataMutationRepressor ProteinsSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsSequence Homology, Amino AcidSmall Ubiquitin-Related Modifier ProteinsSUMO-1 ProteinTemperatureUbiquitinsConceptsCell cycle checkpoint arrestTemperature-sensitive growthCentromere-binding proteinsUbiquitin-like proteinDNA-damaging agentsAbnormal cell morphologyYeast SMT3Number suppressorGene EncodesPleiotropic phenotypesChromosome stabilityMutant accumulatesSingle mutantsCheckpoint arrestUlp2SUMO-1Smt3Ulp1DNA damageMutantsReplication inhibitionProteinCell morphologyNormal kineticsCell function
1999
The Doa4 Deubiquitinating Enzyme Is Required for Ubiquitin Homeostasis in Yeast
Swaminathan S, Amerik A, Hochstrasser M. The Doa4 Deubiquitinating Enzyme Is Required for Ubiquitin Homeostasis in Yeast. Molecular Biology Of The Cell 1999, 10: 2583-2594. PMID: 10436014, PMCID: PMC25490, DOI: 10.1091/mbc.10.8.2583.Peer-Reviewed Original ResearchMeSH KeywordsCarrier ProteinsCytoskeletal ProteinsEndopeptidasesEndosomal Sorting Complexes Required for TransportFungal ProteinsHomeostasisMutationPeptide HydrolasesProteasome Endopeptidase ComplexSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsUbiquitin ThiolesteraseUbiquitinsVacuolesVesicular Transport ProteinsConceptsDeubiquitinating enzymeAttachment of ubiquitinUbiquitin-dependent proteolysisYeast Saccharomyces cerevisiaeWild-type cellsCell surface proteinsAdditional ubiquitinVacuolar proteolysisUbiquitinated substratesUbiquitin homeostasisCellular proteinsMembrane proteinsUbiquitinated intermediatesSaccharomyces cerevisiaeGenetic dataDoa4Loss of viabilityUbiquitin depletionUbiquitinProteolytic intermediatesProteasomeSurface proteinsUbiquitin degradationEventual degradationProteinEukaryotic 20S proteasome catalytic subunit propeptides prevent active site inactivation by N‐terminal acetylation and promote particle assembly
Arendt C, Hochstrasser M. Eukaryotic 20S proteasome catalytic subunit propeptides prevent active site inactivation by N‐terminal acetylation and promote particle assembly. The EMBO Journal 1999, 18: 3575-3585. PMID: 10393174, PMCID: PMC1171436, DOI: 10.1093/emboj/18.13.3575.Peer-Reviewed Original ResearchMeSH KeywordsAcetylationAmino Acid SequenceArylamine N-AcetyltransferaseBinding SitesCatalysisCatalytic DomainCell DivisionCysteine EndopeptidasesEndopeptidasesFungal ProteinsIsoenzymesMolecular Sequence DataMultienzyme ComplexesPeptide FragmentsPhenotypeProteasome Endopeptidase ComplexSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsSequence DeletionThreonineConceptsProteasome assemblyFirst biochemical evidenceN-terminal acetylationUbiquitin-proteasome systemProteolytic active sitesBarrel-shaped structureCatalytic threonine residueYeast 20S proteasomeThreonine residuesHeptameric ringsProteasome biogenesisEnvironmental stressNovel functionDistinct functionsLarge proteaseDifferent subunitsParticle assemblyAlpha-amino groupSpecific peptidase activityProteasomeCatalytic mechanismSite inactivationPeptidase activityCritical functionsSubunitsInteraction of the Doa4 Deubiquitinating Enzyme with the Yeast 26S Proteasome
Papa F, Amerik A, Hochstrasser M. Interaction of the Doa4 Deubiquitinating Enzyme with the Yeast 26S Proteasome. Molecular Biology Of The Cell 1999, 10: 741-756. PMID: 10069815, PMCID: PMC25199, DOI: 10.1091/mbc.10.3.741.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceCysteine EndopeptidasesEndopeptidasesEndosomal Sorting Complexes Required for TransportFungal ProteinsMolecular Sequence DataMultienzyme ComplexesProteasome Endopeptidase ComplexRecombinant ProteinsSaccharomyces cerevisiae ProteinsSequence Homology, Amino AcidStructure-Activity RelationshipUbiquitin ThiolesteraseYeastsConceptsRemoval of ubiquitinUbiquitin-proteasome pathwayYeast 26S ProteasomeProteasome bindingGenetic interactionsProteasome mutationsDoa4Protein substratesCatalytic domainDeubiquitinating enzymeUbp5Physical associationProteolytic intermediatesProteasomeN-terminalFunctional interactionEnzymeRecombination methodRapid degradationMutationsPurification procedurePathwaySubstrate breakdownCopurifiesSaccharomyces
1998
A Deubiquitinating Enzyme That Disassembles Free Polyubiquitin Chains Is Required for Development but Not Growth in Dictyostelium *
Lindsey D, Amerik A, Deery W, Bishop J, Hochstrasser M, Gomer R. A Deubiquitinating Enzyme That Disassembles Free Polyubiquitin Chains Is Required for Development but Not Growth in Dictyostelium *. Journal Of Biological Chemistry 1998, 273: 29178-29187. PMID: 9786928, DOI: 10.1074/jbc.273.44.29178.Peer-Reviewed Original ResearchConceptsUbiquitin polymersPolyubiquitin chainsUbiquitin chainsDeubiquitinating enzymeCross-species complementationFree ubiquitin chainsSpecific developmental transitionsWild-type cellsFree polyubiquitin chainsNormal protein profilesDictyostelium developmentFunctional homologSequence similarityCAMP receptorNew proteinsProtein degradationAdhesion proteinsWild typeDevelopmental transitionsSpecific proteinsExogenous cAMPCell differentiationProtein profilesSpecificity assaysCell adhesionAn Evolutionarily Conserved Gene on Human Chromosome 5q33–q34,UBH1,Encodes a Novel Deubiquitinating Enzyme
Hansen-Hagge T, Janssen J, Hameister H, Papa F, Zechner U, Seriu T, Jauch A, Becke D, Hochstrasser M, Bartram C. An Evolutionarily Conserved Gene on Human Chromosome 5q33–q34,UBH1,Encodes a Novel Deubiquitinating Enzyme. Genomics 1998, 49: 411-418. PMID: 9615226, DOI: 10.1006/geno.1998.5275.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBase SequenceCaenorhabditis elegansChromosome MappingChromosomes, Human, Pair 14Chromosomes, Human, Pair 5Conserved SequenceDNA PrimersEndopeptidasesEvolution, MolecularHumansIn Situ HybridizationLeukemiaMiceMolecular Sequence DataMultigene FamilyNervous SystemNeuronsPolymerase Chain ReactionPseudogenesSaccharomyces cerevisiaeSequence AlignmentSequence Homology, Amino AcidTranscription, GeneticTranslocation, GeneticUbiquitin ThiolesteraseConceptsGene familyDeubiquitinating enzymeNovel multigene familyGalactosidase fusion proteinSitu hybridizationNovel deubiquitinating enzymeNorthern blot analysisConserved geneCaenorhabditis elegansHypothetical proteinsMultigene familyHuman genesLow-level expressionFunctional membersHuman chromosomesProtein displayFusion proteinMouse tissuesEscherichia coliChromosome 5q33Blot analysisBreakpoint sequencesEnzyme 1GenesEnzyme
1997
In vivo disassembly of free polyubiquitin chains by yeast Ubp14 modulates rates of protein degradation by the proteasome
Amerik A, Swaminathan S, Krantz B, Wilkinson K, Hochstrasser M. In vivo disassembly of free polyubiquitin chains by yeast Ubp14 modulates rates of protein degradation by the proteasome. The EMBO Journal 1997, 16: 4826-4838. PMID: 9305625, PMCID: PMC1170118, DOI: 10.1093/emboj/16.16.4826.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBinding SitesCarbon-Nitrogen LyasesEndopeptidasesFungal ProteinsGene Expression Regulation, FungalGenes, FungalHumansImmunoblottingLyasesMolecular Sequence DataMutagenesis, Site-DirectedPeptide HydrolasesPhenotypeProteasome Endopeptidase ComplexProtein BindingSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsSequence AlignmentSubstrate SpecificityUbiquitinsConceptsUnanchored ubiquitin chainsUbiquitin chainsProtein degradationFree ubiquitin chainsUbiquitin-dependent proteolysisWild-type cellsActive site mutantsFree polyubiquitin chainsEukaryotic proteinsFunctional homologComplementation analysisPolyubiquitin chainsSteady-state levelsDeubiquitinating enzymeUbp14Site mutantsIsopeptidase TCellular proteasesYeast cellsProteasomeInhibition of degradationStriking accumulationProteolysisProteinCells
1993
The yeast DOA4 gene encodes a deubiquitinating enzyme related to a product of the human tre-2 oncogene
Papa F, Hochstrasser M. The yeast DOA4 gene encodes a deubiquitinating enzyme related to a product of the human tre-2 oncogene. Nature 1993, 366: 313-319. PMID: 8247125, DOI: 10.1038/366313a0.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBase SequenceEndopeptidasesEndosomal Sorting Complexes Required for TransportFungal ProteinsGenes, FungalHumansMiceMice, NudeMolecular Sequence DataMutationOncogene ProteinsOncogene Proteins, FusionOncogenesOpen Reading FramesPhenotypeProto-Oncogene ProteinsRecombinant Fusion ProteinsSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsSequence Homology, Amino AcidUbiquitin ThiolesteraseUbiquitins