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
1991
The 3′‐5′ exonuclease of DNA polymerase I of Escherichia coli: contribution of each amino acid at the active site to the reaction.
Derbyshire V, Grindley N, Joyce C. The 3′‐5′ exonuclease of DNA polymerase I of Escherichia coli: contribution of each amino acid at the active site to the reaction. The EMBO Journal 1991, 10: 17-24. PMID: 1989882, PMCID: PMC452606, DOI: 10.1002/j.1460-2075.1991.tb07916.x.Peer-Reviewed Original ResearchConceptsActive siteMetal ionsEnzyme-bound metal ionSide chainsExonuclease reactionDivalent metal ionsAmino acid side chainsCarboxylate side chainAcid side chainsHydroxide ionMetal ligandsNucleophilic attackIonsTerminal phosphodiester bondPhosphodiester bondReactionExonuclease active siteActivity resultsKlenow fragmentDuplex DNA substratesCatalysisChainCarboxylateTerminal baseSubstrate
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