2012
The Hexameric Helicase DnaB Adopts a Nonplanar Conformation during Translocation
Itsathitphaisarn O, Wing RA, Eliason WK, Wang J, Steitz TA. The Hexameric Helicase DnaB Adopts a Nonplanar Conformation during Translocation. Cell 2012, 151: 267-277. PMID: 23022319, PMCID: PMC3597440, DOI: 10.1016/j.cell.2012.09.014.Peer-Reviewed Original ResearchConceptsTranslocation mechanismParental duplex DNAReplicative DNA helicaseNucleotides of ssDNAC-terminal domainDNA helicaseDnaB hexamerHelicase DnaBNTP hydrolysisNascent DNAStructural insightsQuaternary structureDNA templateDuplex DNADNA polymeraseDnaBTranslocationSequential hydrolysisSubunitsUnwindingNucleotidesDNASsDNAHelicasesHelicase
2006
The ϕ29 DNA polymerase:protein‐primer structure suggests a model for the initiation to elongation transition
Kamtekar S, Berman AJ, Wang J, Lázaro JM, de Vega M, Blanco L, Salas M, Steitz TA. The ϕ29 DNA polymerase:protein‐primer structure suggests a model for the initiation to elongation transition. The EMBO Journal 2006, 25: 1335-1343. PMID: 16511564, PMCID: PMC1422159, DOI: 10.1038/sj.emboj.7601027.Peer-Reviewed Original ResearchConceptsTerminal proteinDNA polymeraseDNA synthesisPrime replicationLinear chromosomesElongation transitionϕ29 DNA polymeraseBacteriophage genomesProtein movesBacteriophage phi29Resolution structureDuplex productsElongation phaseBinding cleftThird domainPolymeraseTemplate DNADuplex DNAPrimer strandSerine hydroxylProteinAbsolute requirementDNAActive siteDomain
2004
Insights into Strand Displacement and Processivity from the Crystal Structure of the Protein-Primed DNA Polymerase of Bacteriophage φ29
Kamtekar S, Berman AJ, Wang J, Lázaro JM, de Vega M, Blanco L, Salas M, Steitz TA. Insights into Strand Displacement and Processivity from the Crystal Structure of the Protein-Primed DNA Polymerase of Bacteriophage φ29. Molecular Cell 2004, 16: 609-618. PMID: 15546620, DOI: 10.1016/j.molcel.2004.10.019.Peer-Reviewed Original ResearchConceptsDNA polymerasePhi29 DNA polymeraseT7 RNA polymeraseB-family polymerasesSpecific serinePriming proteinPolymerase active sitePhage phi29RNA polymerasePhage genomeSpecificity loopNontemplate strandStrand displacement activityFirst nucleotideHomology modelingSequence insertionHigh processivityProtein primerB familyPolymeraseDuplex DNATemplate DNAProcessivityProteinDNA
1996
Structure of Taq polymerase with DNA at the polymerase active site
Eom S, Wang J, Steitz T. Structure of Taq polymerase with DNA at the polymerase active site. Nature 1996, 382: 278-281. PMID: 8717047, DOI: 10.1038/382278a0.Peer-Reviewed Original ResearchConceptsDuplex DNADNA polymeraseEnded duplex DNAKlenow fragmentBlunt-end terminiActive-site cleftEscherichia coli DNA polymerase IProtein side chainsDNA polymerase ICo-crystal structurePolymerase active siteTaq polymeraseWide minor groovePol ICommon binding sitePolymerase IPolymerase domainExonuclease domainPolymerase cleftThermus aquaticusPolymeraseDNAPolymerase siteMinor grooveExonuclease site