groove binding

in deoxyribonucleic acid
https://doi.org/10.1351/goldbook.09869

Process in which molecules are bound within a minor or major groove of the deoxyribonucleic acid (DNA) double helix.

Source:
PAC, 2018, 90, 1121. (Terminology of bioanalytical methods (IUPAC Recommendations 2018)) on page 1184 [Terms] [Paper]