2017
Structural insights into the oligomerization of FtsH periplasmic domain from Thermotoga maritima
An JY, Sharif H, Kang GB, Park KJ, Lee JG, Lee S, Jin MS, Song JJ, Wang J, Eom SH. Structural insights into the oligomerization of FtsH periplasmic domain from Thermotoga maritima. Biochemical And Biophysical Research Communications 2017, 495: 1201-1207. PMID: 29180014, DOI: 10.1016/j.bbrc.2017.11.158.Peer-Reviewed Original ResearchConceptsPeriplasmic domainMisfolded membrane proteinsATP-dependent proteaseMembrane protein complexesResolution crystal structureHydrophobic membrane environmentMembrane homeostasisProtein complexesMembrane proteinsTransmembrane proteinMembrane environmentThermotoga maritimaStructural insightsFtsHProtease domainToxic proteinsProteinOligomerizationHigh energetic barrierDomainTranslocatesEnergetic barrierMaritimaHomeostasisCrystal structure
2005
Role of the GYVG Pore Motif of HslU ATPase in Protein Unfolding and Translocation for Degradation by HslV Peptidase*
Park E, Rho YM, Koh OJ, Ahn SW, Seong IS, Song JJ, Bang O, Seol JH, Wang J, Eom SH, Chung CH. Role of the GYVG Pore Motif of HslU ATPase in Protein Unfolding and Translocation for Degradation by HslV Peptidase*. Journal Of Biological Chemistry 2005, 280: 22892-22898. PMID: 15849200, DOI: 10.1074/jbc.m500035200.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAmino Acid MotifsAmino Acid SequenceCaseinsChromatographyCross-Linking ReagentsDose-Response Relationship, DrugElectrophoresis, Polyacrylamide GelEndopeptidase ClpEscherichia coliEscherichia coli ProteinsGlycineHydrolysisModels, BiologicalModels, MolecularMolecular Sequence DataMutagenesisMutagenesis, Site-DirectedMutationPeptidesProtein BindingProtein DenaturationProtein FoldingProtein TransportSequence Homology, Amino AcidTemperatureConceptsHslU ATPasePore motifHslVU complexHslV peptidaseCentral poreATP-dependent proteaseProtein unfoldingProteolytic active sitesHslU hexamerProteolytic chamberHslV dodecamerUnfolded proteinsHslV.HslUGly residueTranslocation processAmino acidsDegradation of caseinMotifProteinATP cleavageSame structural featuresATPase activityTranslocationATPase
2002
The C-terminal Tails of HslU ATPase Act as a Molecular Switch for Activation of HslV Peptidase*
Seong IS, Kang MS, Choi MK, Lee JW, Koh OJ, Wang J, Eom SH, Chung CH. The C-terminal Tails of HslU ATPase Act as a Molecular Switch for Activation of HslV Peptidase*. Journal Of Biological Chemistry 2002, 277: 25976-25982. PMID: 12011053, DOI: 10.1074/jbc.m202793200.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphatasesAmino Acid SequenceAmino Acid SubstitutionATP-Dependent ProteasesBinding SitesElectrophoresis, Polyacrylamide GelEndopeptidasesEnzyme ActivationHeat-Shock ProteinsModels, MolecularMolecular Sequence DataMutagenesis, Site-DirectedProtein ConformationSerine EndopeptidasesStructure-Activity RelationshipConceptsC-terminal tailHslV peptidaseHslVU complexC-terminusHexameric ringMolecular switchATP-dependent proteaseC-terminal 10 residuesAmino acidsProteolytic active sitesDodecamer consistingHslU hexamerHslU ATPaseTail peptideAxial poreATPase actsPolypeptide substratesSubstrate entryS proteasomeHslUCentral poreTerminusHslVPeptidaseCritical role
1998
Crystal Structure Determination ofEscherichia coliClpP Starting from an EM-Derived Mask
Wang J, Hartling J, Flanagan J. Crystal Structure Determination ofEscherichia coliClpP Starting from an EM-Derived Mask. Journal Of Structural Biology 1998, 124: 151-163. PMID: 10049803, DOI: 10.1006/jsbi.1998.4058.Peer-Reviewed Original ResearchConceptsATP-dependent proteolytic complexEscherichia coli ClpPATP-dependent proteaseProteolytic active sitesEvolutionary convergenceClpP structureHeptameric ringsProteolytic complexIntracellular proteolysisProteolytic componentBiophysical techniquesClpPSmall-angle X-rayX-ray crystallographyX-ray crystal structureStriking exampleMatrix refinementActive siteProteaseStructure determinationHslVOverall architectureProteasomeStructural levelElectron microscopy