Correction to Figure 2
Readers be advised that a correction was made to Figure 2 of this Perspective. The revised figure is available January 17, 2001. A revised version of the PDF has also been made available as of January 17, 2001. Thank you for your patience.
The gene names in Figure were listed incorrectly as pi3kra, pi3krb, and pi3krg. The correct names are pi3kr1, pi3kr2, and pi3kr3. If you downloaded or printed the PDF file, please obtain a corrected file at your convenience.
Sincerely, The STKE Editorial Staff