Over the past few years, a wealth of new data has become available on the structure of the ribosome. Of particular importance are the crystal structures of several ribosomal proteins and cryoelectron microscopic images with a resolution of about 15?. The new data have validated some aspects of earlier models for the structure of the ribosome, but they have also revealed a number of problems with those models. The quality and quantity of these data offer opportunities for the development of better and more accurate models of the ribosome. In addition, the improved methods that we have developed -- particularly the generation of starting models for YAMMP refinement using distance geometry, and the addition of new descriptions of proteins, transfer RNA, and messenger RNA -- will enable us to generate the next generation of ribosome models much more rapidly and with fewer problems than in the past. We have evaluated all the available data, established a suitable set of constraints from the data, and generated preliminary models using the combined distance geometry / YAMMP refinement approach. We expect to complete these second generation efforts during the next year of the grant.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
Biotechnology Resource Grants (P41)
Project #
5P41RR012255-03
Application #
6123509
Study Section
Project Start
1999-06-15
Project End
2000-08-31
Budget Start
1998-10-01
Budget End
1999-09-30
Support Year
3
Fiscal Year
1999
Total Cost
Indirect Cost
Name
Scripps Research Institute
Department
Type
DUNS #
City
La Jolla
State
CA
Country
United States
Zip Code
92037
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