Canadian Medical Guide > Chemicals and Drugs > Nucleic Acids, Nucleotides, and Nucleosides > Nucleic Acids > DNA > DNA, A-Form Terms and Definitions

DNA, A-Form

Medical 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.
Previously Indexed:	DNA (1985-2003)

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