Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.


Cover Figure

COVER This week features a Perspective on the evolution of nuclear receptors that highlights the diversity of this protein family and the recent cloning of a constitutively active estrogen receptor from Aplysia that does not bind ligand. The cover image illustrates the ligand-binding cavity (green) of the PPARγ nuclear receptor. [Image: John W. R. Schwabe and Sarah A. Teichmann, MRC-Laboratory of Molecular Biology, Cambridge, UK.]

[Table of Contents]

To Advertise     Find Products

Science Signaling. ISSN 1937-9145 (online), 1945-0877 (print). Pre-2008: Science's STKE. ISSN 1525-8882