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Figure 7
Synchrotron footprinting of Tetrahymena L-21 ribozyme with a synchrotron X-ray beam. (a) A summary of the Mg2+-mediated folding rates obtained from the similar kinetic progress curves as shown in (b) mapped onto a secondary structure representation. Represented with permission from Sclavi, Sullivan et al. (1998BB21). (b) Kinetic progress curves comparing the Na+ (solid symbols) and Mg2+ (open symbols) mediated folding of Tetrahymena ribozyme. In both cases folding was initiated from cacodylate-EDTA buffer containing 0.008 M Na+ to a final concentration of 1.5 M NaCl and 10 mM MgCl2, respectively. The solid lines are fits to single or multiple exponential functions. Each symbol type represents an independent experiment. Each panel is labeled with the region of the Tetrahymena ribozyme whose hydroxyl radical reactivities were determined. Reproduced with permission from Shcherbakova et al. (2004BB24).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 14| Part 3| April 2007| Pages 233-243
doi:10.1107/S0909049507013118
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