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What is A DNA?

A-DNA is a form of double-stranded DNA stable under dehydrated conditions, found in crystals and solutions with higher salt concentrations or alcohol in the solute.

Side and top view of A-, B-, and Z-DNA conformations.

Different from B-DNA

It has a more compact helix than B-DNA with a deep, narrow major groove, a wide, shallow minor groove, and a hollow center.

DNA:RNA complexes

DNA:RNA complexes and double-stranded RNAs also take this form.

See also

External links

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