Plasmids and inserts Sequences and accompanying information are given in Supplementary Tables 2–4. In brief, we selected Codebook TFs (and their DBDs) from information published in a previous study1 and posted at https://humantfs.ccbr.utoronto.ca. Inserts named with a ‘-FL’ suffix correspond to the full-length ORF of a representative isoform of the protein. Those with a ‘-DBD’