Abstract
The cleavage rates of 78 hammerhead ribozymes containing structurally conservative chemical modifications were collected from the literature and compared to the recently determined crystal structure of the Schistosoma mansoni hammerhead. With only a few exceptions, the biochemical data were consistent with the structure, indicating that the new structure closely resembles the transition state of the reaction. Since all the biochemical data were collected on minimal hammerheads that have a very different structure, the minimal hammerhead must be dynamic and occasionally adopt the quite different extended structure in order to cleave.
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Dates
Type | When |
---|---|
Created | 17 years, 6 months ago (Feb. 20, 2008, 9:23 p.m.) |
Deposited | 3 years, 9 months ago (Nov. 21, 2021, 8:53 a.m.) |
Indexed | 4 months, 2 weeks ago (April 12, 2025, 9:55 p.m.) |
Issued | 17 years, 6 months ago (Feb. 20, 2008) |
Published | 17 years, 6 months ago (Feb. 20, 2008) |
Published Online | 17 years, 6 months ago (Feb. 20, 2008) |
Published Print | 17 years, 5 months ago (April 1, 2008) |
@article{Nelson_2008, title={Hammerhead redux: Does the new structure fit the old biochemical data?}, volume={14}, ISSN={1469-9001}, url={http://dx.doi.org/10.1261/rna.912608}, DOI={10.1261/rna.912608}, number={4}, journal={RNA}, publisher={Cold Spring Harbor Laboratory}, author={Nelson, Jennifer A. and Uhlenbeck, Olke C.}, year={2008}, month=feb, pages={605–615} }