2001
Contacts between the 5′ Nuclease of DNA Polymerase I and Its DNA Substrate*
Xu Y, Potapova O, Leschziner A, Grindley N, Joyce C. Contacts between the 5′ Nuclease of DNA Polymerase I and Its DNA Substrate*. Journal Of Biological Chemistry 2001, 276: 30167-30177. PMID: 11349126, DOI: 10.1074/jbc.m100985200.Peer-Reviewed Original ResearchMeSH KeywordsArginineBase SequenceBinding SitesCircular DichroismDNADNA Polymerase IDNA RepairEscherichia coliKineticsLysineModels, ChemicalModels, MolecularMolecular Sequence DataMutagenesis, Site-DirectedMutationOrganophosphorus CompoundsPhosphatesProtein BindingProtein Structure, TertiarySubstrate SpecificityTemperatureTime FactorsConceptsDNA substratesDNA polymerase INuclease domainCleavage siteBasic residuesPolymerase IDuplex DNANuclease cleavagePhosphate ethylation interferenceDNA-binding regionActive site regionDNA replicationOne-half turnBacteriophage T5Eukaryotic nucleasesSubstrate bindingAbasic DNAEthylation interferenceDuplex portionHelical archNucleaseSite regionEscherichia coliMethylphosphonate substitutionsPrimer strand
1990
Identification of residues critical for the polymerase activity of the Klenow fragment of DNA polymerase I from Escherichia coli.
Polesky A, Steitz T, Grindley N, Joyce C. Identification of residues critical for the polymerase activity of the Klenow fragment of DNA polymerase I from Escherichia coli. Journal Of Biological Chemistry 1990, 265: 14579-14591. PMID: 2201688, DOI: 10.1016/s0021-9258(18)77342-0.Peer-Reviewed Original ResearchConceptsCluster of residuesIdentification of residuesSite-directed mutagenesisActive site residuesAmino acid residuesFuture mutational studiesImportant active site residuesDNA-binding propertiesActive site regionDNA polymerase IGenetic screenPosition 849Polymerase active siteMutant proteinsDNA substratesMutational studiesPolymerase IBiochemical experimentsSite residuesAcid residuesSite regionEscherichia coliPolymerase activityMutationsPolymerase reactionRole of instability in the cis action of the insertion sequence IS903 transposase.
Derbyshire K, Kramer M, Grindley N. Role of instability in the cis action of the insertion sequence IS903 transposase. Proceedings Of The National Academy Of Sciences Of The United States Of America 1990, 87: 4048-4052. PMID: 2161528, PMCID: PMC54044, DOI: 10.1073/pnas.87.11.4048.Peer-Reviewed Original ResearchConceptsDNA-binding proteinsCis actionCis-acting proteinsKilobase of DNAInsertion sequenceGalactosidase fusion proteinWild-type transposaseProtease-deficient strainSite of synthesisLon geneBacterial insertion sequencesUnstable proteinTransposase geneFusion proteinTrans actionTransposaseEscherichia coliProteinDefective transposonTransposonGenes
1985
Genetic mapping and DNA sequence analysis of mutations in the polA gene of Escherichia coli
Joyce C, Fujii D, Laks H, Hughes C, Grindley N. Genetic mapping and DNA sequence analysis of mutations in the polA gene of Escherichia coli. Journal Of Molecular Biology 1985, 186: 283-293. PMID: 3910840, DOI: 10.1016/0022-2836(85)90105-6.Peer-Reviewed Original ResearchConceptsDNA sequence analysisDNA polymerase IThree-dimensional structurePolymerase ISequence analysisPolA geneSingle-subunit enzymeEscherichia coliEnzyme-DNA interactionsGenetic mappingDeletion mutantsSubunit enzymeMutant formsPrimary sequenceMutational changesBacteriophage lambdaExcellent modelPolA mutantsPolA mutationEnzymatic behaviorMutantsMutationsGenesDNAColi
1984
Method for determining whether a gene of Escherichia coli is essential: application to the polA gene
Joyce C, Grindley N. Method for determining whether a gene of Escherichia coli is essential: application to the polA gene. Journal Of Bacteriology 1984, 158: 636-643. PMID: 6233260, PMCID: PMC215477, DOI: 10.1128/jb.158.2.636-643.1984.Peer-Reviewed Original ResearchConceptsPolA geneTarget genesRich mediumEscherichia coliPhage lambda vectorTarget lociBacterial chromosomeHomologous recombinationPhysical mapProphage excisionDNA segmentsMinimal mediumAntibiotic resistance genesPolymerase 3Recombinational eventsLambda vectorGenesResistance genesChromosomal deletionsDeletionFunctional fragmentsExonucleaseMarked deletionPhagesPresence of plasmids
1983
Construction of a plasmid that overproduces the large proteolytic fragment (Klenow fragment) of DNA polymerase I of Escherichia coli.
Joyce C, Grindley N. Construction of a plasmid that overproduces the large proteolytic fragment (Klenow fragment) of DNA polymerase I of Escherichia coli. Proceedings Of The National Academy Of Sciences Of The United States Of America 1983, 80: 1830-1834. PMID: 6340110, PMCID: PMC393703, DOI: 10.1073/pnas.80.7.1830.Peer-Reviewed Original ResearchConceptsDNA polymerase IOverproducing strainPolymerase IGene fusion techniquesLarge proteolytic fragmentCellular proteinsLac promoterGene fragmentsProtein structurePhage lambdaLeftward promoterEscherichia coliCarboxyl terminalPolymerase fragmentProteolytic fragmentsKlenow fragmentPromoterPlasmidPurification procedureFragmentsOverproductionExpressionI. MoreoverMechanistic studiesCloning
1982
Identification of two genes immediately downstream from the polA gene of Escherichia coli
Joyce C, Grindley N. Identification of two genes immediately downstream from the polA gene of Escherichia coli. Journal Of Bacteriology 1982, 152: 1211-1219. PMID: 6183253, PMCID: PMC221628, DOI: 10.1128/jb.152.3.1211-1219.1982.Peer-Reviewed Original Research
1976
polA6, a mutation affecting the DNA binding capacity of DNA polymerase I
Kelly W, Grindley N. polA6, a mutation affecting the DNA binding capacity of DNA polymerase I. Nucleic Acids Research 1976, 3: 2971-2984. PMID: 12497, PMCID: PMC343145, DOI: 10.1093/nar/3.11.2971.Peer-Reviewed Original Research