A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 31-May-2023 number of released structures: 12820
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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