Schock, F., Sauer, F., Jackle, H., Purnell, B.A. (1999). Drosophila head segmentation factor buttonhead interacts with the same TATA box-binding protein-associated factors and in vivo DNA targets as human Sp1 but executes a different biological program.
Proc. Natl. Acad. Sci. U.S.A. 96(9): 5061--5065.