2003
Crystal Structures of an Archaeal Class I CCA-Adding Enzyme and Its Nucleotide Complexes
Xiong Y, Li F, Wang J, Weiner AM, Steitz TA. Crystal Structures of an Archaeal Class I CCA-Adding Enzyme and Its Nucleotide Complexes. Molecular Cell 2003, 12: 1165-1172. PMID: 14636575, DOI: 10.1016/s1097-2765(03)00440-4.Peer-Reviewed Original ResearchConceptsCCA-adding enzymeClass I CCA-adding enzymeCrystal structureClose evolutionary relationshipAddition of CCAChemical modificationAmino acid sequenceElectrostatic charge distributionNucleic acid templateEvolutionary relationshipsImmature tRNAsCharge distributionDomain architectureNucleotide complexesArcheoglobus fulgidusEnzyme classesTail domainAcid sequenceEnzyme bindsPolymerase domainTRNARelative orientationComplexesEnzymeTerminus
2002
Crystal Structures of the Bacillus stearothermophilus CCA-Adding Enzyme and Its Complexes with ATP or CTP
Li F, Xiong Y, Wang J, Cho HD, Tomita K, Weiner AM, Steitz TA. Crystal Structures of the Bacillus stearothermophilus CCA-Adding Enzyme and Its Complexes with ATP or CTP. Cell 2002, 111: 815-824. PMID: 12526808, DOI: 10.1016/s0092-8674(02)01115-7.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAmino Acid MotifsAmino Acid SequenceCrystallography, X-RayCytidine TriphosphateDimerizationDNA Polymerase betaGeobacillus stearothermophilusModels, MolecularMolecular Sequence DataProtein FoldingProtein Structure, TertiaryRNA NucleotidyltransferasesSequence Homology, Amino AcidConceptsCCA-adding enzymeResolution crystal structureDNA polymerase betaImmature tRNAsNew proteinsBase specificityNucleic acid templateBacillus stearothermophilusPalm domainPolymerase betaIncoming ATPTRNAATPTerminusSubunitsCrystal structureActive siteAdditional structural featuresEnzymeCTPStructural featuresComplexesImportant componentTailDomainThe 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
2001
Structure of the Replicating Complex of a Pol α Family DNA Polymerase
Franklin M, Wang J, Steitz T. Structure of the Replicating Complex of a Pol α Family DNA Polymerase. Cell 2001, 105: 657-667. PMID: 11389835, DOI: 10.1016/s0092-8674(01)00367-1.Peer-Reviewed Original ResearchConceptsAlpha familyDNA polymeraseResolution crystal structureTernary complex structureApo-protein structurePrimer-template DNAMinor groove interactionsFamily DNA polymerasesFamily polymerasesRB69 DNA polymerasePol IFidelity mechanismsPrimer 3' terminusPrimer extensionPolymeraseGroove interactionsDNA motionTerminusDNA orientationFamilyDNADegrees rotationCrystal structureComplex structureDTTP