1. Biochemistry and Chemical Biology
  2. Structural Biology and Molecular Biophysics
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DNA Repair: Sliding to the rescue of damaged DNA

  1. Bryan Gibb  Is a corresponding author
  2. Eric C Greene  Is a corresponding author
  1. Columbia University, United States
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Cite this article as: eLife 2012;1:e00347 doi: 10.7554/eLife.00347
1 figure

Figures

Stills from a video animation illustrating homology search (not to scale). The pre-synaptic filament has to find a specific sequence of bases (shown here in blue and pink and labelled ‘homology’) on a long molecule of double-stranded DNA (dsDNA). It initially binds to the dsDNA through 3D diffusion (A), and then slides back and forth along the dsDNA as it search for the sequence (B). If it cannot find the sequence, the pre-synaptic filament can move to a new location through intersegmental transfer (C), and start sliding back and forth along the dsDNA molecule again (D), until it finds the sequence of bases it is looking for (E). The full video is available at http://youtu.be/BmSrjVLb94c.

IMAGES: MYLES MARSHALL, BRYAN GIBB.

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