This submission contains the mass spectrometry files for the manuscript by Uuskula-Reimand et al. that investigates the interactome of TOP2B using BioID and its genomic binding profile. This submission contains 18 IDA files for the following baits: empty 3XFLAG control, GFP-BirA-FLAG control, NLS-BirA-FLAG control, TOP2B-BirA-FLAG. See the README file within "Methods and Protocols" and the accompanying File description.