- CCAAT binding NF-Y-TBP interactions: NF-YB and NF-YC require short domains adjacent to their histone fold motifs for association with TBP basic residues. Bellorini, M., Lee, D.K., Dantonel, J.C., Zemzoumi, K., Roeder, R.G., Tora, L., Mantovani, R. Nucleic Acids Res. (1997)