IS21 family transposase cleaved donor complex traps two right-handed superhelical crossings. Mercedes Spínola-Amilibia, Lidia Araújo-Bazán, Álvaro de la Gándara, James M. Berger, Ernesto Arias-Palomo (2023) Nature Commun. DOI: 0.1038/s41467-023-38071-x

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