A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 27-Aug-2014 number of released structures: 7378
Search for released structures

Nucleic Acid Standards

Refinement Parameters

The DNA/RNA topology and parameter files for X-PLOR are shown below. These were tested with DNA structures and with protein-DNA complexes.



"New Parameters for the Refinement of Nucleic Acid Containing Structures." Gary Parkinson, Jaroslav Vojtechovsky, Lester Clowney, Axel Brunger*, and Helen M. Berman. (1996) Acta Cryst. D 52, 57-64

Rutgers University, Department of Chemistry, Piscataway, NJ 08855-0939;

*The Howard Hughes Medical Institute and Departments of Molecular and Cellular Physiology, Neurology and Neurological Sciences and Stanford Synchrotron Radiation Laboratory, Stanford University, Stanford, CA 94305