2012
DNA Mismatch Synthesis Complexes Provide Insights into Base Selectivity of a B Family DNA Polymerase
Xia S, Wang J, Konigsberg WH. DNA Mismatch Synthesis Complexes Provide Insights into Base Selectivity of a B Family DNA Polymerase. Journal Of The American Chemical Society 2012, 135: 193-202. PMID: 23214497, PMCID: PMC3760218, DOI: 10.1021/ja3079048.Peer-Reviewed Original ResearchContribution of Partial Charge Interactions and Base Stacking to the Efficiency of Primer Extension at and beyond Abasic Sites in DNA
Xia S, Vashishtha A, Bulkley D, Eom SH, Wang J, Konigsberg WH. Contribution of Partial Charge Interactions and Base Stacking to the Efficiency of Primer Extension at and beyond Abasic Sites in DNA. Biochemistry 2012, 51: 4922-4931. PMID: 22630605, PMCID: PMC3426629, DOI: 10.1021/bi300296q.Peer-Reviewed Original ResearchUsing a Fluorescent Cytosine Analogue tCo To Probe the Effect of the Y567 to Ala Substitution on the Preinsertion Steps of dNMP Incorporation by RB69 DNA Polymerase
Xia S, Beckman J, Wang J, Konigsberg WH. Using a Fluorescent Cytosine Analogue tCo To Probe the Effect of the Y567 to Ala Substitution on the Preinsertion Steps of dNMP Incorporation by RB69 DNA Polymerase. Biochemistry 2012, 51: 4609-4617. PMID: 22616982, PMCID: PMC3437246, DOI: 10.1021/bi300241m.Peer-Reviewed Original ResearchProbing Minor Groove Hydrogen Bonding Interactions between RB69 DNA Polymerase and DNA
Xia S, Christian TD, Wang J, Konigsberg WH. Probing Minor Groove Hydrogen Bonding Interactions between RB69 DNA Polymerase and DNA. Biochemistry 2012, 51: 4343-4353. PMID: 22571765, PMCID: PMC3374494, DOI: 10.1021/bi300416z.Peer-Reviewed Original ResearchBidentate and tridentate metal‐ion coordination states within ternary complexes of RB69 DNA polymerase
Xia S, Eom SH, Konigsberg WH, Wang J. Bidentate and tridentate metal‐ion coordination states within ternary complexes of RB69 DNA polymerase. Protein Science 2012, 21: 447-451. PMID: 22238207, PMCID: PMC3375444, DOI: 10.1002/pro.2026.Peer-Reviewed Original ResearchConceptsCoordination complexesMetal ionsCoordination stateSecond metal ionMetal ion coordinationDivalent metal ionsTernary complexTridentate coordinationBond formationPhosphorus atomActive siteRelevant conformationsStructural studiesSelectivity mechanismIonsTriphosphate tailComplexesRB69 DNA polymeraseÅ resolutionBase selectivityGround stateSubstrate alignmentPolymerase active siteCatalysisCoordination
2011
Structural Insights into Complete Metal Ion Coordination from Ternary Complexes of B Family RB69 DNA Polymerase
Xia S, Wang M, Blaha G, Konigsberg WH, Wang J. Structural Insights into Complete Metal Ion Coordination from Ternary Complexes of B Family RB69 DNA Polymerase. Biochemistry 2011, 50: 9114-9124. PMID: 21923197, PMCID: PMC3760225, DOI: 10.1021/bi201260h.Peer-Reviewed Original ResearchConceptsMetal ionsBond formationHydroxyl groupsCoordination bond lengthsMetal ion coordinationΑ-phosphateB-siteTernary complexMetal ion ACoordination complexesIon coordinationBond lengthsCoordination octahedraIon APhosphorus atomIonic radiusSimultaneous coordinationPhosphodiester bond formationIonsNucleotidyl transferStructural insightsComplexesPyrophosphate productHydrogen-Bonding Capability of a Templating Difluorotoluene Nucleotide Residue in an RB69 DNA Polymerase Ternary Complex
Xia S, Konigsberg WH, Wang J. Hydrogen-Bonding Capability of a Templating Difluorotoluene Nucleotide Residue in an RB69 DNA Polymerase Ternary Complex. Journal Of The American Chemical Society 2011, 133: 10003-10005. PMID: 21667997, PMCID: PMC3139434, DOI: 10.1021/ja2021735.Peer-Reviewed Original ResearchVariation in Mutation Rates Caused by RB69pol Fidelity Mutants Can Be Rationalized on the Basis of Their Kinetic Behavior and Crystal Structures
Xia S, Wang M, Lee HR, Sinha A, Blaha G, Christian T, Wang J, Konigsberg W. Variation in Mutation Rates Caused by RB69pol Fidelity Mutants Can Be Rationalized on the Basis of Their Kinetic Behavior and Crystal Structures. Journal Of Molecular Biology 2011, 406: 558-570. PMID: 21216248, PMCID: PMC3059800, DOI: 10.1016/j.jmb.2010.12.033.Peer-Reviewed Original ResearchConceptsDouble mutantMutation rateAmino acid residuesRB69 DNA polymeraseSingle mutantsMutable sequencesPocket mutantsMutantsAcid residuesState kinetic parametersPrimer extensionT4 phageFidelity mutantsNucleotide residuesIncoming dNTPsDNA polymeraseReversion assayTernary complexComplementary strandCrystal structureResiduesBase selectivityPocketPolymeraseMisincorporation
2010
Insights into Base Selectivity from the 1.8 Å Resolution Structure of an RB69 DNA Polymerase Ternary Complex
Wang M, Xia S, Blaha G, Steitz TA, Konigsberg WH, Wang J. Insights into Base Selectivity from the 1.8 Å Resolution Structure of an RB69 DNA Polymerase Ternary Complex. Biochemistry 2010, 50: 581-590. PMID: 21158418, PMCID: PMC3036992, DOI: 10.1021/bi101192f.Peer-Reviewed Original ResearchSubstitution of Ala for Tyr567 in RB69 DNA Polymerase Allows dAMP and dGMP To Be Inserted opposite Guanidinohydantoin,
Beckman J, Wang M, Blaha G, Wang J, Konigsberg WH. Substitution of Ala for Tyr567 in RB69 DNA Polymerase Allows dAMP and dGMP To Be Inserted opposite Guanidinohydantoin,. Biochemistry 2010, 49: 8554-8563. PMID: 20795733, PMCID: PMC3755731, DOI: 10.1021/bi100913v.Peer-Reviewed Original Research
2009
Structural Basis for Functional Tetramerization of Lentiviral Integrase
Hare S, Di Nunzio F, Labeja A, Wang J, Engelman A, Cherepanov P. Structural Basis for Functional Tetramerization of Lentiviral Integrase. PLOS Pathogens 2009, 5: e1000515. PMID: 19609359, PMCID: PMC2705190, DOI: 10.1371/journal.ppat.1000515.Peer-Reviewed Original ResearchConceptsDimer-dimer interface
2006
The L561A Substitution in the Nascent Base-Pair Binding Pocket of RB69 DNA Polymerase Reduces Base Discrimination †
Zhang H, Rhee C, Bebenek A, Drake JW, Wang J, Konigsberg W. The L561A Substitution in the Nascent Base-Pair Binding Pocket of RB69 DNA Polymerase Reduces Base Discrimination †. Biochemistry 2006, 45: 2211-2220. PMID: 16475809, PMCID: PMC3373012, DOI: 10.1021/bi052099y.Peer-Reviewed Original Research
2005
Base Selectivity Is Impaired by Mutants that Perturb Hydrogen Bonding Networks in the RB69 DNA Polymerase Active Site †
Yang G, Wang J, Konigsberg W. Base Selectivity Is Impaired by Mutants that Perturb Hydrogen Bonding Networks in the RB69 DNA Polymerase Active Site †. Biochemistry 2005, 44: 3338-3346. PMID: 15736944, DOI: 10.1021/bi047921x.Peer-Reviewed Original ResearchMeSH KeywordsAlanineAmino Acid SubstitutionBase Pair MismatchBinding SitesDeoxyadenine NucleotidesDeoxycytosine NucleotidesDeoxyguanine NucleotidesDNA-Directed DNA PolymeraseEnterobacterHydrogen BondingKineticsNucleotidesPhenylalanineSubstrate SpecificityThymine NucleotidesTolueneTyrosineViral ProteinsConceptsRB69 polRapid chemical quenchHydrogen bonding networkSet of mutantsStopped-flow fluorescencePutative conformational changesPhosphoryl transfer reactionsPolymerase active siteRB69 DNA polymeraseDNA polymerase active siteChemical quenchMolecular basisBonding networkNoncomplementary dNTPsMutantsTransfer reactionsExo enzymesState kinetic parametersConformational changesMismatched basesActive siteExo formCrystal structureDNA polymeraseNucleoside triphosphates
2004
The Activity of Selected RB69 DNA Polymerase Mutants Can Be Restored by Manganese Ions: The Existence of Alternative Metal Ion Ligands Used during the Polymerization Cycle †
Zakharova E, Wang J, Konigsberg W. The Activity of Selected RB69 DNA Polymerase Mutants Can Be Restored by Manganese Ions: The Existence of Alternative Metal Ion Ligands Used during the Polymerization Cycle †. Biochemistry 2004, 43: 6587-6595. PMID: 15157091, DOI: 10.1021/bi049615p.Peer-Reviewed Original ResearchConceptsMetal ionsRapid chemical quench techniquesB metal ionsMetal ion ligandsMetal ion dependenceNucleotidyl transfer reactionState kinetic analysisTransfer reactionsIon ligandsActive centersCrystal structureSide chainsManganese ionsCatalytic sitePolymerization cyclesIonsIon dependenceAlternative ligandsRB69 DNA Polymerase MutantsLigandsConformational changesPol complexPhosphoryl transferKinetic analysisComplexesPre-Steady-State Kinetics of RB69 DNA Polymerase and Its Exo Domain Mutants: Effect of pH and Thiophosphoryl Linkages on 3‘−5‘ Exonuclease Activity †
Wang C, Zakharova E, Li J, Joyce C, Wang J, Konigsberg W. Pre-Steady-State Kinetics of RB69 DNA Polymerase and Its Exo Domain Mutants: Effect of pH and Thiophosphoryl Linkages on 3‘−5‘ Exonuclease Activity †. Biochemistry 2004, 43: 3853-3861. PMID: 15049692, DOI: 10.1021/bi0302292.Peer-Reviewed Original ResearchMeSH KeywordsAlanineAmino Acid SubstitutionBacteriophage T4Base Pair MismatchDNA Polymerase IDNA-Directed DNA PolymeraseEnzyme ActivationExodeoxyribonucleasesGlutamineHydrogen-Ion ConcentrationKineticsMutagenesis, Site-DirectedPhosphatesPhosphorylationProtein Structure, TertiaryRNA EditingSubstrate SpecificityThionucleotidesT-PhagesViral ProteinsConceptsRate-determining stepDivalent metal ionsPH-activity profileB family replicative DNA polymerasesChemical stepMetal ionsSingle-turnover conditionsWild-type enzymeEffects of pHKlenow fragmentB-family DNA polymerasesFamily DNA polymerasesState kineticsDNA polymeraseThree-dimensional structureDomain mutantsExonuclease reactionExonuclease activityPhosphorothioate linkagesPhi29 DNA polymeraseElemental effectsReplicative DNA polymerasesRepair DNA polymerasesExo activityCatalysis
1996
Crystal Structures of an NH2-Terminal Fragment of T4 DNA Polymerase and Its Complexes with Single-Stranded DNA and with Divalent Metal Ions †
Wang J, Yu P, Lin T, Konigsberg W, Steitz T. Crystal Structures of an NH2-Terminal Fragment of T4 DNA Polymerase and Its Complexes with Single-Stranded DNA and with Divalent Metal Ions †. Biochemistry 1996, 35: 8110-8119. PMID: 8679562, DOI: 10.1021/bi960178r.Peer-Reviewed Original ResearchConceptsT4 DNA polymeraseDNA polymeraseExonuclease domainKlenow fragmentExonuclease active siteActive site regionCrystallographic R-factorTranslational regulationMinimal sequence identityMetal ion cofactorsSequence identityActive siteNH2-terminal fragmentNH2-terminalSite regionDivalent metal ion cofactorCarboxylate residuesPolymeraseIon cofactorScissile phosphateEquivalent positionsResidue formsProteinSeparate domainsCrystal structure