Evidence map›Paper›PMID 25932998›Full record

ArticlePloS one2015

A general method for computing the Homfly polynomial of DNA double crossover 3-regular links.

Meilian Li, Qingying Deng, Xian'an Jin

Abstract read
In one paragraph

Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

3 authors.

Meilian LiSchool of Mathematical Sciences, Xiamen University, Xiamen, Fujian, P. R. China; School of Mathematics and Computer Sciences, Longyan University, Longyan, Fujian, P. R. China.
Qingying DengSchool of Mathematical Sciences, Xiamen University, Xiamen, Fujian, P. R. China.
Xian'an JinSchool of Mathematical Sciences, Xiamen University, Xiamen, Fujian, P. R. China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In the last 20 years or so, chemists and molecular biologists have synthesized some novel DNA polyhedra. Polyhedral links were introduced to model DNA polyhedra and study topological properties of DNA polyhedra. As a very powerful invariant of oriented links, the Homfly polynomial of some of such polyhedral links with small number of crossings has been obtained. However, it is a challenge to compute Homfly polynomials of polyhedral links with large number of crossings such as double crossover 3-regular links considered here. In this paper, a general method is given for computing the chain polynomial of the truncated cubic graph with two different labels from the chain polynomial of the original labeled cubic graph by substitutions. As a result, we can obtain the Homfly polynomial of the double crossover 3-regular link which has relatively large number of crossings.

Indexed as

Models, MolecularNucleic Acid ConformationComputational BiologyDNADNA

Identifiers

PMID25932998
PMCPMC4416910

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