Hu, Benedict, Wu et al.: "Bcl-XL interacts with Apaf-1 and inhibits Apaf-1-dependent caspase-9 activation." in: Proceedings of the National Academy of Sciences of the United States of America, Vol. 95, Issue 8, pp. 4386-91, 1998 (PubMed).
Li, Nijhawan, Budihardjo et al.: "Cytochrome c and dATP-dependent formation of Apaf-1/caspase-9 complex initiates an apoptotic protease cascade." in: Cell, Vol. 91, Issue 4, pp. 479-89, 1997 (PubMed).
Rosendahl, Ko, Long et al.: "Identification and characterization of a pro-tumor necrosis factor-alpha-processing enzyme from the ADAM family of zinc metalloproteases." in: The Journal of biological chemistry, Vol. 272, Issue 39, pp. 24588-93, 1997 (PubMed).