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A comprehensive classification of nucleic acid structural families based on strand direction and base pairing
R Lavery1, K Zakrzewska, J S Sun
1Laboratoire de Biochimie Théorique, Institut de Biologie Physico-Chimique, Paris, France.
Nucleic Acids Research
|October 11, 1992
Abstract:
We propose a classification of DNA structures formed from 1 to 4 strands, based only on relative strand directions, base to strand orientation and base pairing geometries. This classification and its associated notation enable all nucleic acids to be grouped into structural families and bring to light possible structures which have not yet been observed experimentally. It also helps in understanding transitions between families and can assist in the design of multistrand structures.