2020
Chaperonin-assisted protein folding: a chronologue
Horwich AL, Fenton WA. Chaperonin-assisted protein folding: a chronologue. Quarterly Reviews Of Biophysics 2020, 53: e4. PMID: 32070442, DOI: 10.1017/s0033583519000143.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAmino AcidsAnimalsCarbon DioxideChaperoninsCytosolDimerizationHeat-Shock ProteinsHumansHydrophobic and Hydrophilic InteractionsKineticsMiceMitochondriaMutationNeurosporaProtein ConformationProtein DenaturationProtein FoldingRibonuclease, PancreaticRibulose-Bisphosphate CarboxylaseSurface PropertiesTemperature
2012
3.10 Chaperones and Protein Folding
Horwich A, Buchner J, Smock R, Gierasch L, Saibil H. 3.10 Chaperones and Protein Folding. 2012, 212-237. DOI: 10.1016/b978-0-12-374920-8.00313-1.Peer-Reviewed Original ResearchSubstrate proteinsMolecular chaperonesSolvent-exposed hydrophobic surfaceSmall heat shock proteinsChaperone-bound proteinsProtein binding domainsNon-native conformationsNon-native statesHeat shock proteinsBinding of ATPSpecialized proteinsProtein foldingChaperonesBinding domainsOligomeric assembliesBiophysical methodsShock proteinsConformational changesPolypeptide chainStress conditionsNative stateProteinCurrent understandingFoldingMultimolecular aggregates
2011
GroEL/GroES‐mediated protein folding
Horwich A, Tyagi N, Clare D, Saibil H. GroEL/GroES‐mediated protein folding. The FASEB Journal 2011, 25: 319.3-319.3. DOI: 10.1096/fasebj.25.1_supplement.319.3.Peer-Reviewed Original ResearchProtein foldingGroEL/GroES chaperonin systemGroE chaperonin systemSubstrate protein bindingNon-native speciesChaperonin systemGroEL ringApical domainConformational trajectoryDomain movementsGroES bindingGroESHydrophobic contactsGroELFoldingInitial associationBindingProtein bindingOpen ringCryoEMSpeciesATPDomainNumber of approaches
2001
GroEL/GroES-Mediated Folding of a Protein Too Large to Be Encapsulated
Chaudhuri T, Farr G, Fenton W, Rospert S, Horwich A. GroEL/GroES-Mediated Folding of a Protein Too Large to Be Encapsulated. Cell 2001, 107: 235-246. PMID: 11672530, DOI: 10.1016/s0092-8674(01)00523-2.Peer-Reviewed Original ResearchFolding of malate dehydrogenase inside the GroEL–GroES cavity
Chen J, Walter S, Horwich A, Smith D. Folding of malate dehydrogenase inside the GroEL–GroES cavity. Nature Structural & Molecular Biology 2001, 8: 721-728. PMID: 11473265, DOI: 10.1038/90443.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsBinding SitesChaperonin 10Chaperonin 60Chromatography, High Pressure LiquidDeuteriumDimerizationHydrogen BondingKineticsMalate DehydrogenaseMass SpectrometryMitochondria, HeartModels, MolecularPeptide FragmentsProtein BindingProtein DenaturationProtein FoldingProtein Structure, SecondaryProtein Structure, TertiaryProtein SubunitsSwineConceptsMalate dehydrogenaseNonnative substrate proteinGroEL-GroES cavitySubstrate proteinsProductive foldingChaperonin GroELApical domainGroESGroELMechanical unfoldingGlobal destabilizationSecondary structureHydrophilic chamberCentral cavityInitial proteinDeuterium exchangeFoldingProteinATPDehydrogenaseHydrophobic central cavityMass spectrometryOpen ringPolypeptideUnfoldingMechanisms of protein folding
Grantcharova V, Alm E, Baker D, Horwich A. Mechanisms of protein folding. Current Opinion In Structural Biology 2001, 11: 70-82. PMID: 11179895, DOI: 10.1016/s0959-440x(00)00176-7.Peer-Reviewed Original ResearchConceptsEscherichia coli chaperonin GroELNon-native proteinsATP-dependent formationCo-chaperonin GroESLowest free energy pathChaperonin GroELProtein foldingUnfolded proteinsLarge proteinsGroELNative stateNative structureContact orderProteinChaperoninKinetic trapsFoldingChaperonesGroESFree energy pathPolypeptideComplexesAllostery and protein substrate conformational change during GroEL/GroES-mediated protein folding
Saibil H, Horwich A, Fenton W. Allostery and protein substrate conformational change during GroEL/GroES-mediated protein folding. Advances In Protein Chemistry 2001, 59: 45-72. PMID: 11868280, DOI: 10.1016/s0065-3233(01)59002-6.Peer-Reviewed Original ResearchConceptsProtein foldingATP-dependent protein foldingChloroplasts of eukaryotesDouble-ring complexesCo-chaperonin GroESC-terminal portionChaperonin machineProtein folding reactionChaperonin systemSubstrate polypeptidesChaperonin complexGroEL-GroESHeptameric ringsGroEL subunitStructural biologyBiophysical approachesEquatorial domainATPase mechanismConformational changesSubstrate conformational changesFolding reactionNative formGroESFoldingGroEL
1999
Chaperone rings in protein folding and degradation
Horwich A, Weber-Ban E, Finley D. Chaperone rings in protein folding and degradation. Proceedings Of The National Academy Of Sciences Of The United States Of America 1999, 96: 11033-11040. PMID: 10500119, PMCID: PMC34237, DOI: 10.1073/pnas.96.20.11033.Peer-Reviewed Original ResearchConceptsSubstrate proteinsNon-native formsProcess of foldingCellular proteinsDegradation chamberProtein foldingStep of recognitionProteolytic complexRing assemblyDivergent fatesConformational changesNative stateProteinChaperoninFoldingCentral cavityCooperative interactionsATPPolypeptideFateChaperonesCompartmentalizationVital roleMotifProtease
1998
STRUCTURE AND FUNCTION IN GroEL-MEDIATED PROTEIN FOLDING
Sigler P, Xu Z, Rye H, Burston S, Fenton W, Horwich A. STRUCTURE AND FUNCTION IN GroEL-MEDIATED PROTEIN FOLDING. Annual Review Of Biochemistry 1998, 67: 581-608. PMID: 9759498, DOI: 10.1146/annurev.biochem.67.1.581.Peer-Reviewed Original ResearchConceptsProtein foldingNative stateMechanism of chaperoninsCis ternary complexAsymmetric conformational changesFinal native stateNonnative polypeptidesCochaperonin GroESGroEL ringTrans ringATP hydrolysisGenetic informationChaperonin moleculesConformational changesFolding processFoldingTernary complexPolypeptideGroESATPBiochemical investigationsFinal stepChaperoninGroELComplexes
1997
Distinct actions of cis and trans ATP within the double ring of the chaperonin GroEL
Rye H, Burston S, Fenton W, Beechem J, Xu Z, Sigler P, Horwich A. Distinct actions of cis and trans ATP within the double ring of the chaperonin GroEL. Nature 1997, 388: 792-798. PMID: 9285593, DOI: 10.1038/42047.Peer-Reviewed Original ResearchConceptsTrans ringProductive foldingGroES complexChaperonin GroELCis ringCo-chaperone GroESDouble-ring complexesCis ternary complexNon-hydrolysable ATPHydrolysis of ATPGroEL functionGroEL-ATPATP bindingEfficient foldingBinds ATPATP hydrolysisGroESMutant formsMalate dehydrogenaseGroELAMP-PNPDouble-ring structureFoldingTernary complexATPChaperonin-Mediated Folding in the Eukaryotic Cytosol Proceeds through Rounds of Release of Native and Nonnative Forms
Farr G, Scharl E, Schumacher R, Sondek S, Horwich A. Chaperonin-Mediated Folding in the Eukaryotic Cytosol Proceeds through Rounds of Release of Native and Nonnative Forms. Cell 1997, 89: 927-937. PMID: 9200611, DOI: 10.1016/s0092-8674(00)80278-0.Peer-Reviewed Original ResearchConceptsRounds of releaseSubstrate proteinsNonnative formsNative formChaperonin-mediated foldingEukaryotic cytosolic chaperoninATP-dependent foldingIntact Xenopus oocytesCytosolic chaperoninBacterial chaperoninsEukaryotic cytosolChaperoninNative stateXenopus oocytesEssential roleSingle roundFoldingProteinActinTubulinOverall mechanismGroELTransducinCytosolSmall fractionGroEL‐Mediated protein folding
Fenton W, Horwich A. GroEL‐Mediated protein folding. Protein Science 1997, 6: 743-760. PMID: 9098884, PMCID: PMC2144759, DOI: 10.1002/pro.5560060401.Peer-Reviewed Original ResearchConceptsGroEL-GroESNonnative polypeptidesSubstrate proteinsATP bindingProtein foldingHomologous proteinsNonnative formsPrimary structureConformational changesGroELTernary complexPolypeptideAssociation 5FoldingProteinBindingChaperonesGroESConformationEnergy landscapeRole of hydrophobicityPathway 3RolePathwayComplex C.Native-like structure of a protein-folding intermediate bound to the chaperonin GroEL
Goldberg M, Zhang J, Sondek S, Matthews C, Fox R, Horwich A. Native-like structure of a protein-folding intermediate bound to the chaperonin GroEL. Proceedings Of The National Academy Of Sciences Of The United States Of America 1997, 94: 1080-1085. PMID: 9037009, PMCID: PMC19747, DOI: 10.1073/pnas.94.4.1080.Peer-Reviewed Original ResearchConceptsNative-like structureChaperonin GroELDihydrofolate reductaseProtein-folding intermediatesNative dihydrofolate reductaseStopped-flow fluorescence experimentsNonnative proteinsSubstrate proteinsProductive foldingPresence of ATPHuman dihydrofolate reductaseHydrogen-deuterium exchangeGroELPrimary structureProteinCentral channelHydrophobic interactionsFluorescence experimentsGroESFoldingSpeciesReductaseNMR spectroscopyDistant partsATP
1996
Putting a lid on protein folding: structure and function of the co-chaperonin, GroES
Fenton W, Weissman J, Horwich A. Putting a lid on protein folding: structure and function of the co-chaperonin, GroES. Cell Chemical Biology 1996, 3: 157-161. PMID: 8807841, DOI: 10.1016/s1074-5521(96)90257-4.Peer-Reviewed Original ResearchCharacterization of the Active Intermediate of a GroEL–GroES-Mediated Protein Folding Reaction
Weissman J, Rye H, Fenton W, Beechem J, Horwich A. Characterization of the Active Intermediate of a GroEL–GroES-Mediated Protein Folding Reaction. Cell 1996, 84: 481-490. PMID: 8608602, DOI: 10.1016/s0092-8674(00)81293-3.Peer-Reviewed Original ResearchConceptsCis ternary complexProtein foldingRelease of GroESAddition of GroESFolding reactionTernary complexNonhydrolyzable ATP analogGroES releaseProtein folding reactionSubstrate proteinsPresence of ATPGroEL mutantGroEL-GroESGroEL complexNonnative substratesATP hydrolysisGroESComplete foldingSubstrate flexibilityATP analogFoldingFluorescence anisotropyActive stateATPRecent studies5 Structure and Function of Chaperonins in Archaebacteria and Eukaryotic Cytosol
Willison K, Horwich A. 5 Structure and Function of Chaperonins in Archaebacteria and Eukaryotic Cytosol. 1996, 107-136. DOI: 10.1016/b978-012237455-5/50006-3.Peer-Reviewed Original ResearchChaperonin-containing TCP-1Eukaryotic cytosolEukaryotic cellsTCP-1Protein foldingUnfolded proteinsChaperoninCytoskeletal proteinsSubunit speciesFunctional analysisGeneral functionProteinArchaebacteriaGeneral affinityCytosolFoldingSpecific affinityGenesSpeciesAffinityActinTubulinFunctionCellsUnusual type
1993
Protein folding in the cell: functions of two families of molecular chaperone, hsp 60 and TF55-TCP1
Horwich A, Willison K. Protein folding in the cell: functions of two families of molecular chaperone, hsp 60 and TF55-TCP1. Philosophical Transactions Of The Royal Society B Biological Sciences 1993, 339: 313-326. PMID: 8098536, DOI: 10.1098/rstb.1993.0030.Peer-Reviewed Original ResearchProtein folding in the cell: functions of two families of molecular chaperone, hsp 60 and TF55-TCP1
Horwich A, Willison K. Protein folding in the cell: functions of two families of molecular chaperone, hsp 60 and TF55-TCP1. 1993, 57-70. DOI: 10.1007/978-94-011-2108-8_8.Peer-Reviewed Original Research
1992
Antifolding activity of hsp60 couples protein import into the mitochondrial matrix with export to the intermembrane space
Koll H, Guiard B, Rassow J, Ostermann J, Horwich A, Neupert W, Hartl F. Antifolding activity of hsp60 couples protein import into the mitochondrial matrix with export to the intermembrane space. Cell 1992, 68: 1163-1175. PMID: 1347713, DOI: 10.1016/0092-8674(92)90086-r.Peer-Reviewed Original ResearchMeSH KeywordsBase SequenceBiological TransportChaperonin 60ChaperoninsFungal ProteinsHeat-Shock ProteinsL-Lactate DehydrogenaseL-Lactate Dehydrogenase (Cytochrome)MitochondriaMolecular Sequence DataProtein ConformationProtein Sorting SignalsProteinsRecombinant Fusion ProteinsSaccharomyces cerevisiae
1991
Protein folding causes an arrest of preprotein translocation into mitochondria in vivo.
Wienhues U, Becker K, Schleyer M, Guiard B, Tropschug M, Horwich A, Pfanner N, Neupert W. Protein folding causes an arrest of preprotein translocation into mitochondria in vivo. Journal Of Cell Biology 1991, 115: 1601-1609. PMID: 1757464, PMCID: PMC2289212, DOI: 10.1083/jcb.115.6.1601.Peer-Reviewed Original ResearchMeSH KeywordsAminopterinBiological TransportIntracellular MembranesKineticsL-Lactate DehydrogenaseL-Lactate Dehydrogenase (Cytochrome)Membrane PotentialsMitochondriaProtein ConformationProtein PrecursorsProtein Processing, Post-TranslationalRecombinant Fusion ProteinsSaccharomyces cerevisiaeTetrahydrofolate DehydrogenaseConceptsMitochondrial protein uptakeTranslocation contact sitesAmino-terminal thirdStable tertiary structureDihydrofolate reductase domainImport pathwayPreprotein translocationHybrid proteinProtein foldingMitochondrial membraneTranslocation sitesContact sitesCytochrome b2Fusion proteinPolypeptide segmentsYeast cellsReductase domainTertiary structureProtein uptakeDihydrofolate reductaseProteinMitochondriaMembraneVivoFolding