ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] We have adopted a sign convention that can be applied uniformly to the winding in catenanes, knots, supercoils and double helices. The plane projection of two crossing DNA segments can form a node in two topologically distinct ways (for supercoils, see Fig. 1 a, b). The crossing in a left-handed ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/304559a0
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