encyclopedia of medical concepts
ψ
ψ
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DNA, A-Form
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Definition
: An isoform of DNA that occurs in an environment rich in SODIUM and POTASSIUM ions. It is a right-handed helix with 11 base pairs per turn, a pitch of 0.256 nm per base pair and a helical diameter of 2.3 nm.
See Also
DNA, C-Form
;
DNA, Z-Form
;
Nucleic Acid Conformation
Other names
DNA, A Form; A-
DNA; A-
Form DNA