A-DNA
nounEtymology From A + DNA. Coined by Rosalind Franklin, for the first of two forms discovered during her X-ray crystallography experiments on DNA.
1
A configuration of DNA in cells, right-hand twisting double helix with a small size difference between major groove and minor groove, wider and more squashed twist than B-DNA; found during transcription and replication.
2
A DNA helix in such a configuration.
- Coordinate terms
- G-quadruplex, Holliday junction, branched DNA