Sci. STKE, 17 June 2003
The text of this summary incorrectly listed the protein as DGR38, when it should have been listed as DHR38. In addition, in the last sentence the word "files" should read "flies". The text has been corrected and is available starting 1 July 2003.
Science Signaling. ISSN 1937-9145 (online), 1945-0877 (print). Pre-2008: Science's STKE. ISSN 1525-8882