Phys. Rev. Lett. 99, 158103 (2007) [4 pages]Curve Encirclement and Protein StructureReceived 25 January 2007; published 9 October 2007 A method of measuring the extent to which space curves encircle one another is introduced. The method provides a family of sets which characterize encircling curves, allowing curve pairs that engage (and also single curves that self-engage) to be distinguished. The method is applied to the backbone chains of protein molecules. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.99.158103
DOI:
10.1103/PhysRevLett.99.158103
PACS:
87.15.By, 02.40.Ma, 87.14.Ee
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