Conformational transitions in DNA polymerase I revealed by single-molecule FRET
Santoso Y, Joyce CM, Potapova O, Le Reste L, Hohlbein J, Torella JP, Grindley ND, Kapanidis AN. Conformational transitions in DNA polymerase I revealed by single-molecule FRET. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 107: 715-720. PMID: 20080740, PMCID: PMC2818957, DOI: 10.1073/pnas.0910909107.Peer-Reviewed Original ResearchConceptsDNA polymerase IClosed conformationPolymerase IConformational transitionSingle-molecule fluorescence resonance energy transferEarly stepsSingle-molecule FRETFluorescence resonance energy transferAvailable crystallographic structuresResonance energy transferMost DNA polymerasesComplementary ribonucleotidesChemical stepIncorrect substratesPolymerase moleculesPol DNAReaction pathwaysAcceptor fluorophoresKinetic checkpointsConformational dynamicsConformational flexibilityNucleotide additionStructural studiesDNA polymeraseCrystallographic structure