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DNA polymerases can only synthesize nascent DNA from single-stranded DNA (ssDNA) templates. In bacteria, the unwinding of parental duplex DNA is carried out by the replicative DNA helicase (DnaB) that couples NTP hydrolysis to 5' to 3' translocation. The crystal structure of the DnaB hexamer in complex with GDP-AlF(4) and ssDNA reported here reveals that(More)
  • Bryan Barmore, David Edward J Johnson, Richard Wing, Barhydt
  • 2001
A human-in-the-loop experiment was performed at the NASA Langley Research Center to study the feasibility of Distributed Air/Ground Traffic Management (DAG-TM) autonomous aircraft operations in highly constrained airspace. The airspace was constrained by a pair of special use airspace (SUA) regions on either side of the pilot's planned route. The available(More)
MAP2 (microtubule-associated protein 2) is a cytoskeletal phosphoprotein that regulates the dynamic assembly characteristics of microtubules and appears to provide scaffolding for organelle distribution into the dendrites and for the localization of signal transduction apparatus in dendrites, particularly near spines. MAP2 is degraded after ischemia and(More)
The crystal structure of Thermus aquaticus DNA polymerase III alpha subunit reveals that the structure of the catalytic domain of the eubacterial replicative polymerase is unrelated to that of the eukaryotic replicative polymerase but rather belongs to the Polbeta-like nucleotidyltransferase superfamily. A model of the polymerase complexed with both DNA and(More)
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