In the article “Characterization of the c-Jun N-Terminal Kinase-BimEL Signaling Pathway in Neuronal Apoptosis,” by Esther B. E. Becker, Jenny Howell, Yuki Kodama, Philip A. Barker, and Azad Bonni, which appeared on pages 8762-8770 of the October 6, 2004 issue, erroneous supplier information was inserted by the printer. The phospho65 antibody (mentioned in the fourth paragraph of Materials and Methods) is available from Biosource (Camarillo, CA).