How molecular knots can pass through each other.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 24843131.
- Also identified by DOI 10.1073/pnas.1319376111 and PMC identifier 4050568.
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Abstract
We propose a mechanism in which two molecular knots pass through each other and swap positions along a polymer strand. Associated free energy barriers in our simulations only amount to a few kBT, which may enable the interchange of knots on a single DNA strand.
Medical subject headings
- DNA
- Models, Molecular
- Polymers