DNA Double Helix Structure via Intercalation (DNA Intercalation)

The DNA double helix structure via intercalation refers to the complex formed when planar aromatic molecules insert themselves between adjacent base pairs in the DNA double helix. This process, known as intercalation, does not break hydrogen bonds but distorts the DNA structure, causing unwinding, lengthening, and altered spacing between phosphate groups. Intercalation can inhibit replication and transcription and is exploited by some drugs, such as doxorubicin, for therapeutic purposes. The interaction involves various forces, including π-stacking, van der Waals forces, and hydrophobic effects. This altered DNA structure represents a molecular target for specific drug design and potential therapeutic interventions, especially in cancer.

Other names

DNA Intercalation SiteIntercalated DNADNA-Intercalator Complex

Insertion between base pairs of DNA, causing unwinding, lengthening, and distortion of the double helix, ultimately inhibiting replication and transcription.