linking number


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link·ing num·ber (L),

a property of a long biopolymer (such as duplex DNA) equal to the number of twists (related to the frequency of turns around the central axis of the helix) plus the writhing number.

link·ing num·ber

(L) (lingk'ing nŭm'bĕr)
A property of a long biopolymer (such as duplex DNA) equal to the number of twists (related to the frequency of turns around the central axis of the helix) plus the writhing number.
References in periodicals archive ?
3) Average returned linking number of member search engines;
Research and experimental results show that the performance, response time, linking number and user experience of each member search engines influence their choice of member search engines in different degrees.
When the linking number is reduced in closed circular DNA, the molecule supercoils by minimizing twisting and bending.
The integral interlacement numbers known as linking number (Ln).
White (1969) shown that the linking number decomposed into two parts, which can be expressed:
Geometric linking, independent of linking number, can be used to estimate a lower bound on the energy of an incompressible flow," Freedman says.

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