Computing a new family of shape descriptors for protein structures |
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Authors: | Røgen Peter Sinclair Robert |
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Affiliation: | Department of Mathematics, Technical University of Denmark, DK-2800 Kgs Lyngby, Denmark. Peter.Roegen@mat.dtu.dk |
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Abstract: | The large-scale 3D structure of a protein can be represented by the polygonal curve through the carbon alpha atoms of the protein backbone. We introduce an algorithm for computing the average number of times that a given configuration of crossings on such polygonal curves is seen, the average being taken over all directions in space. Hereby, we introduce a new family of global geometric measures of protein structures, which we compare with the so-called generalized Gauss integrals. |
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