Chemicals and Drugs [D] » Nucleic Acids, Nucleotides, and Nucleosides [D13] » Nucleic Acids » DNA » DNA, Circular » DNA, Superhelical
Phenomena and Processes [G] » Genetic Phenomena [G05] » Genetic Structures » Nucleic Acid Conformation » DNA, Circular » DNA, Superhelical
Phenomena and Processes [G] » Chemical Phenomena [G02] » Biochemical Phenomena » Molecular Structure » Molecular Conformation » Nucleic Acid Conformation » DNA, Circular » DNA, Superhelical
Description
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. MeSH
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