2013
Prechemistry Nucleotide Selection Checkpoints in the Reaction Pathway of DNA Polymerase I and Roles of Glu710 and Tyr766
Bermek O, Grindley N, Joyce C. Prechemistry Nucleotide Selection Checkpoints in the Reaction Pathway of DNA Polymerase I and Roles of Glu710 and Tyr766. Biochemistry 2013, 52: 6258-6274. PMID: 23937394, PMCID: PMC3770053, DOI: 10.1021/bi400837k.Peer-Reviewed Original ResearchConceptsFidelity checkpointDNA polymerase IPolymerase IHigh-fidelity DNA polymeraseMutator allelesCheckpoint functionMutator polymeraseIncorrect base pairsSelection checkpointDNA templateConformational changesSubstrate poolBase pairsDNA polymeraseComplementary nucleotidesCheckpointNoncomplementary nucleotidesTemplating baseFinger closingPolymeraseDNTPsNucleotidesCorrect incomingPathwayWeak binding
2007
Conformational Changes during Normal and Error-Prone Incorporation of Nucleotides by a Y-Family DNA Polymerase Detected by 2-Aminopurine Fluorescence †
DeLucia A, Grindley N, Joyce C. Conformational Changes during Normal and Error-Prone Incorporation of Nucleotides by a Y-Family DNA Polymerase Detected by 2-Aminopurine Fluorescence †. Biochemistry 2007, 46: 10790-10803. PMID: 17725324, DOI: 10.1021/bi7006756.Peer-Reviewed Original Research2-AminopurineArchaeal ProteinsBase Pair MismatchBase SequenceDeoxyribonucleotidesDNA Polymerase betaDNA Polymerase IDNA RepairDNA ReplicationDNA-Directed DNA PolymeraseFluorescent DyesFrameshift MutationModels, MolecularMolecular Sequence DataMutagenesis, InsertionalNucleic Acid ConformationSpectrometry, FluorescenceSubstrate SpecificitySulfolobusTemplates, Genetic
2006
The Properties of Steric Gate Mutants Reveal Different Constraints within the Active Sites of Y-family and A-family DNA Polymerases*
DeLucia A, Chaudhuri S, Potapova O, Grindley N, Joyce C. The Properties of Steric Gate Mutants Reveal Different Constraints within the Active Sites of Y-family and A-family DNA Polymerases*. Journal Of Biological Chemistry 2006, 281: 27286-27291. PMID: 16831866, DOI: 10.1074/jbc.m604393200.Peer-Reviewed Original Research
2003
Use of 2-Aminopurine Fluorescence To Examine Conformational Changes during Nucleotide Incorporation by DNA Polymerase I (Klenow Fragment) †
Purohit V, Grindley N, Joyce C. Use of 2-Aminopurine Fluorescence To Examine Conformational Changes during Nucleotide Incorporation by DNA Polymerase I (Klenow Fragment) †. Biochemistry 2003, 42: 10200-10211. PMID: 12939148, DOI: 10.1021/bi0341206.Peer-Reviewed Original ResearchAn error‐prone family Y DNA polymerase (DinB homolog from Sulfolobus solfataricus) uses a ‘steric gate’ residue for discrimination against ribonucleotides
DeLucia A, Grindley N, Joyce C. An error‐prone family Y DNA polymerase (DinB homolog from Sulfolobus solfataricus) uses a ‘steric gate’ residue for discrimination against ribonucleotides. Nucleic Acids Research 2003, 31: 4129-4137. PMID: 12853630, PMCID: PMC165950, DOI: 10.1093/nar/gkg417.Peer-Reviewed Original Research
2002
The Mutational Specificity of the Dbh Lesion Bypass Polymerase and Its Implications*
Potapova O, Grindley N, Joyce C. The Mutational Specificity of the Dbh Lesion Bypass Polymerase and Its Implications*. Journal Of Biological Chemistry 2002, 277: 28157-28166. PMID: 12023283, DOI: 10.1074/jbc.m202607200.Peer-Reviewed Original ResearchDiscrimination against purine–pyrimidine mispairs in the polymerase active site of DNA polymerase I: A structural explanation
Minnick D, Liu L, Grindley N, Kunkel T, Joyce C. Discrimination against purine–pyrimidine mispairs in the polymerase active site of DNA polymerase I: A structural explanation. Proceedings Of The National Academy Of Sciences Of The United States Of America 2002, 99: 1194-1199. PMID: 11830658, PMCID: PMC122166, DOI: 10.1073/pnas.032457899.Peer-Reviewed Original Research
1998
How E. coli DNA polymerase I (klenow fragment) distinguishes between deoxy- and dideoxynucleotides11Edited by A. R Fersht
Astatke M, Grindley N, Joyce C. How E. coli DNA polymerase I (klenow fragment) distinguishes between deoxy- and dideoxynucleotides11Edited by A. R Fersht. Journal Of Molecular Biology 1998, 278: 147-165. PMID: 9571040, DOI: 10.1006/jmbi.1998.1672.Peer-Reviewed Original ResearchConceptsMutant derivativesWild-type Klenow fragmentKlenow fragmentTernary complexAmino acid residuesE. coli DNA polymerase IIncorporation of dNTPsDNA polymerase IDNTP ternary complexPolymerase IAcid residuesPhosphoryl transferState kinetic parametersConformational changesNatural substratePositions 762DNA polymeraseEnzyme DNAKlenow fragment DNA polymeraseDNTPsIncoming dNTPDNTPSide chain resultsRibose moietyDideoxynucleotides
1995
Deoxynucleoside Triphosphate and Pyrophosphate Binding Sites in the Catalytically Competent Ternary Complex for the Polymerase Reaction Catalyzed by DNA Polymerase I (Klenow Fragment) (∗)
Astatke M, Grindley N, Joyce C. Deoxynucleoside Triphosphate and Pyrophosphate Binding Sites in the Catalytically Competent Ternary Complex for the Polymerase Reaction Catalyzed by DNA Polymerase I (Klenow Fragment) (∗). Journal Of Biological Chemistry 1995, 270: 1945-1954. PMID: 7829532, DOI: 10.1074/jbc.270.4.1945.Peer-Reviewed Original ResearchAmino Acid SequenceBacteriaBase SequenceBinding SitesConserved SequenceDeoxyribonucleotidesDiphosphatesDNA Polymerase IDNA PrimersKineticsMacromolecular SubstancesModels, MolecularMolecular Sequence DataMutagenesis, Site-DirectedOligodeoxyribonucleotidesPoint MutationPolymerase Chain ReactionProtein Structure, SecondarySaccharomyces cerevisiaeSequence Homology, Amino Acid
1992
Reactions at the polymerase active site that contribute to the fidelity of Escherichia coli DNA polymerase I (Klenow fragment).
Joyce C, Sun X, Grindley N. Reactions at the polymerase active site that contribute to the fidelity of Escherichia coli DNA polymerase I (Klenow fragment). Journal Of Biological Chemistry 1992, 267: 24485-24500. PMID: 1447195, DOI: 10.1016/s0021-9258(18)35792-2.Peer-Reviewed Original ResearchSide chains involved in catalysis of the polymerase reaction of DNA polymerase I from Escherichia coli.
Polesky A, Dahlberg M, Benkovic S, Grindley N, Joyce C. Side chains involved in catalysis of the polymerase reaction of DNA polymerase I from Escherichia coli. Journal Of Biological Chemistry 1992, 267: 8417-8428. PMID: 1569092, DOI: 10.1016/s0021-9258(18)42461-1.Peer-Reviewed Original Research