Zandi, Rothwarf, Delhase et al.: "The IkappaB kinase complex (IKK) contains two kinase subunits, IKKalpha and IKKbeta, necessary for IkappaB phosphorylation and NF-kappaB activation." in: Cell, Vol. 91, Issue 2, pp. 243-52, 1997 (PubMed).
Halenbeck, MacDonald, Roulston et al.: "CPAN, a human nuclease regulated by the caspase-sensitive inhibitor DFF45." in: Current biology : CB, Vol. 8, Issue 9, pp. 537-40, 1998 (PubMed).
Liu, Li, Widlak et al.: "The 40-kDa subunit of DNA fragmentation factor induces DNA fragmentation and chromatin condensation during apoptosis." in: Proceedings of the National Academy of Sciences of the United States of America, Vol. 95, Issue 15, pp. 8461-6, 1998 (PubMed).