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DNA, Superhelical MeSH Descriptor Data 2022


MeSH Heading
DNA, Superhelical
Tree Number(s)
D13.444.308.283.250
G02.111.570.820.486.212.250
G05.360.580.156.250
Unique ID
D004278
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D004278
Annotation
IM; /‌drug eff /‌ultrastruct permitted
Scope Note
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.
Entry Term(s)
DNA, Supercoiled
DNA, Supertwisted
Registry Number
0
Previous Indexing
DNA (1966-1977)
DNA, Circular (1973-1977)
Public MeSH Note
78
History Note
78
Date Established
1978/01/01
Date of Entry
1977/05/17
Revision Date
2015/06/22
DNA, Superhelical Preferred
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