"DNA, Superhelical" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
Circular duplex DNA isolated from viruses, bacteria and mitochondria in supercoiled or supertwisted form. This superhelical DNA is endowed with free energy. During transcription, the magnitude of RNA initiation is proportional to the DNA superhelicity.
| Descriptor ID |
D004278
|
| MeSH Number(s) |
D13.444.308.283.250 G02.111.570.820.486.212.250 G05.360.580.156.250
|
| Concept/Terms |
DNA, Superhelical- DNA, Superhelical
- Superhelical DNA
- DNA, Supertwisted
- Supertwisted DNA
- DNA, Supercoiled
- Supercoiled DNA
|
Below are MeSH descriptors whose meaning is more general than "DNA, Superhelical".
Below are MeSH descriptors whose meaning is more specific than "DNA, Superhelical".
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MeSH information
