linking number


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.