2013
Alteration in the cavity size adjacent to the active site of RB69 DNA polymerase changes its conformational dynamics
Xia S, Wood M, Bradley MJ, De La Cruz EM, Konigsberg WH. Alteration in the cavity size adjacent to the active site of RB69 DNA polymerase changes its conformational dynamics. Nucleic Acids Research 2013, 41: 9077-9089. PMID: 23921641, PMCID: PMC3799440, DOI: 10.1093/nar/gkt674.Peer-Reviewed Original ResearchConceptsRB69 DNA polymeraseFörster resonance energy transferDNA polymeraseHigh-resolution X-ray crystallographyResolution X-ray crystallographyHigh mutation rateB-family polConformational dynamicsExonuclease domainState kinetic parametersMutation rateG mutantResonance energy transferX-ray crystallographyM variantPolymerasePrimer terminusHydrophobic cavityActive siteBase selectivitySimilar substitutionSide chainsProfound effectDramatic effectInternal cavity
2012
Bidentate 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
Variation 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
2008
Structural basis for base discrimination by RB69 DNA polymerase
Wang M, Klimenko D, Steitz T, Wang J. Structural basis for base discrimination by RB69 DNA polymerase. The FASEB Journal 2008, 22: 593.2-593.2. DOI: 10.1096/fasebj.22.1_supplement.593.2.Peer-Reviewed Original ResearchTriple mutantApo formStructural basisBase pairsDNA polymeraseReplicative DNA polymerasesWild-type enzymeTernary complexTemplating baseHelix PBase selectivityNascent base pairRB69 DNA polymeraseBase discriminationWild-type PolType enzymeMismatched base pairsMutantsPol mutantsRB69 polPolymeraseComplexesS565Y416Pol
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