In chemistry, a contact number (CN) is a simple solvent exposure measure that measures residue burial in proteins. The definition of CN varies between authors, but is generally defined as the number of either C or C atoms within a sphere around the C or C atom of the residue. The radius of the sphere is typically chosen to be between 8 and 14Å.
- Crandall & Lagergren; Keith A. Crandall, Jens Lagergren (2008). Algorithms in Bioinformatics: 8th International Workshop, WABI 2008, Karlsruhe, Germany, September 15–19, 2008, Proceedings Volume 5251 of Lecture notes in bioinformatics. Springer. p. 382. ISBN 3-540-87360-0.
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