The table sequences.tab contains read sequences for singleton insertions and consensus sequences for all other insertions, along with their coordinates and subfamily information reported in the manuscript "An endogenous retroviral element co-opts an upstream regulatory sequence to achieve somatic expression and mobility", authored by Natalia Rubanova, Darshika Singh, Louis Barolle, Fabienne Chalvet, Sophie Netter, Mickaël Poidevin, Nicolas Servant, Allison J. Bardin and Katarzyna Siudeja.